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USGS/Cascades Volcano Observatory, Vancouver, Washington
Mount St. Helens, Washington
Eruption Images, 2004 and 2005
Memorable Images of "The First Year"
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  • MEDIA NOTE --- Use "large-size" images ... they are the best resolution available ... no logo ... they are the size shot on the camera ...
Memorable Images of "The First Year"
Image, click to enlarge MSH04_crater_dome_aerial_9-26-04.jpg
Oblique aerial photograph of north flank, crater, lava dome and new glacier (behind dome), Mount St. Helens, Washington state, USA. Mount Hood, Oregon, in faintly visible in the background.
USGS photograph taken on 26 September, 2004 by John S. Pallister.
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Image, click to enlarge MSH04_crater_dome_glacier_west_side_9-27-04.jpg
Western side of Mount St. Helens crater, and dome, showing the glacier forming at the base of the dome.
USGS photograph taken on 27 September 2004 by Steve Schilling.
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Image, click to enlarge MSH04_aerial_crater_dome_from_NW_9-27-04.jpg
Western side of Mount St. Helens crater and dome, showing west side of the dome.
USGS photograph taken on 27 September 2004 by Steve Schilling.
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Image, click to enlarge MSH04_aerial_crater_dome_east_side_glacier_9-27-04.jpg
Western side of Mount St. Helens crater and dome, showing east side of the dome.
USGS photograph taken on 27 September 2004 by Steve Schilling.
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Image, click to enlarge MSH04_news_media_9-27-04.jpg
Increased eathquake activity at Mount St. Helens gets the attention of the news media. View is at Johnston Ridge Observatory (JRO).
USGS photograph taken on 27 September 2004 by Dan Dzurisin.
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Image, click to enlarge MSH04_gas_monitoring_equip_in_chopper_9-27-04.jpg
USGS Scientists installing gas monitoring equipment in helicopter.
USGS photograph taken on 27 September 2004 by Steve Schilling.
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Image, click to enlarge MSH04_crater_GPS_setup_9-27-04.jpg
USGS Scientist setting up GPS unit Mount St. Helens to monitor any ground movement.
USGS photograph taken on 27 September 2004 by Mike Lisowski.
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Image, click to enlarge MSH04_press_conference_Cynthia_Gardner_9-29-04.jpg
Cascades Volcano Observatory (CVO) Press Conference with USGS volcanologist Cynthia Gardner.
USGS photograph taken on September 29, 2004, by David Wieprecht.
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Image, click to enlarge MSH04_press_conference_Seth_Moran_9-29-04.jpg
Cascades Volcano Observatory (CVO) Press Conference with USGS seismologist Seth Moran.
USGS photograph taken on September 29, 2004, by Elliott Endo.
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Image, click to enlarge MSH04_aerial_crater_dome_9-29-04.jpg
Aerial view of Mount St. Helens crater and dome.
USGS photograph taken on 29 September 2004 by Mike Poland and Dan Dzurisin.
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Image, click to enlarge MSH04_aerial_south_side_of_dome_9-29-04.jpg
South side of Mount St. Helens lava dome, showing the dome and part of the glacier forming at the base of the dome.
USGS photograph taken on 29 September 2004 by Mike Poland and Dan Dzurisin.
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Image, click to enlarge MSH04_dome_glacier_south_side_9-29-04.jpg
South side of Mount St. Helens lava dome, as seen from the west, showing the dome and part of the glacier forming at the base of the dome.
USGS photograph taken on 29 September 2004 by Mike Poland and Dan Dzurisin.
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Image, click to enlarge MSH04_dome_glacier_from_east_9-29-04.jpg
South side of Mount St. Helens lava dome, as seen from the east, showing the dome and part of the glacier forming at the base of the dome.
USGS photograph taken on 29 September 2004 by Mike Poland and Dan Dzurisin.
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Image, click to enlarge MSH04_GPS_USGS_scientist_mount_adams_9-30-04.jpg
U.S. Geological Survey scientist Michael Poland collects information from a Global Positioning System (GPS) station on the east flank of Mount St. Helens (station Southeast Ridge). Mount Adams volcano is visible in the distance. More than a dozen GPS stations have been installed on or around Mount St. Helens to measure any deformation of the ground surface that might accompany an intense swarm of earthquakes that began on September 23.
USGS photograph taken on 30 September 2004 by Dan Dzurisin.
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Image, click to enlarge MSH04_GPS_USGS_scientist_at_nelson_9-30-04.jpg
U.S. Geological Survey scientist Dan Dzurisin collects information from a Global Positioning System (GPS) station high on the east flank of Mount St. Helens (station Nelson Ridge). More than a dozen GPS stations have been installed on or around Mount St. Helens to measure any deformation of the ground surface that might accompany an intense swarm of earthquakes that began on September 23.
USGS photograph taken on 30 September 2004 by Michael Poland.
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Image, click to enlarge MSH04_dome_glacier_from_southeast_9-30-04.jpg
South side of Mount St. Helens lava dome, as seen from the southeast, showing the dome and part of the glacier forming at the base of the dome.
USGS photograph taken on 30 September 2004 by Mike Poland and Dan Dzurisin.
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Image, click to enlarge MSH04_press_conference_Jon_Major_10-01-04.jpg
Cascades Volcano Observatory (CVO) Press Conference with USGS scientist Jon Major.
USGS photograph taken on October 1, 2004, at 1:30 PM, by Lyn Topinka.
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Image, click to enlarge MSH04_crater_eruption_image_120332PDT_10-01-04.jpg
Crater/Plume image, Mount St. Helens.
USGS photograph taken at 12:03:32 PDT on October 1, 2004, by John Pallister
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Image, click to enlarge MSH04_crater_eruption_image_120355PDT_10-01-04.jpg
Crater/Plume image, Mount St. Helens.
USGS photograph taken at 12:03:55 PDT on October 1, 2004, by John Pallister
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Image, click to enlarge MSH04_crater_eruption_image_1216PDT_10-01-04.jpg
Crater/Plume image, Mount St. Helens.
USGS photograph taken at 12:16:01 PDT on October 1, 2004, by John Pallister
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Image, click to enlarge MSH04_crater_dome_ash_on_west_10-01-04.jpg
Mount St. Helens' west crater floor, after steam and ash eruption.
USGS photograph taken on October 1, 2004, by Steve Schilling.
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Image, click to enlarge MSH04_eruption_plume_03_from_JRO_10-01-04.jpg
Plume from Johnston Ridge Observatory.
USGS photograph taken on October 1, 2004, by Gene Iwatsubo.
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Image, click to enlarge MSH04_volcanic_ash_10-01-04.jpg
Volcanic ash of the October 1, 2004 event.
USGS photograph by Carl Thornber.
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Image, click to enlarge MSH04_volcanic_ash_600_microns_10-01-04.jpg
Volcanic ash of the October 1, 2004 event. Field of view is 600 microns.
USGS photograph by Carl Thornber.
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Image, click to enlarge MSH04_news_media_night_at_CVO_office_10-01-04.jpg
The press interviews USGS scientist just back from the field in this night shot.
USGS photograph taken on October 1, 2004, by Lyn Topinka.
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Image, click to enlarge MSH04_dome_glacier_south_side_10-02-04.jpg
South side of Mount St. Helens lava dome, showing the dome and part of the glacier forming at the base of the dome.
USGS photograph taken on 2 October 2004 by Mike Poland.
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Image, click to enlarge MSH04_ash_on_SW_crater_floor_10-02-04.jpg
Ash on southwest crater floor, as seen from the south crater rim. Mount St. Helens dome is on the right.
USGS photograph taken on 2 October 2004 by Mike Poland.
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Image, click to enlarge MSH04_news_media_trucks_at_CVO_office_10-02-04.jpg
Cascades Volcano Observatory (CVO) with news media trucks outside.
USGS photograph taken on October 2, 2004, by Lyn Topinka.
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Image, click to enlarge MSH04_press_conference_closeup_Gale_Norton_10-02-04.jpg
Cascades Volcano Observatory (CVO) press conference with Department of the Interior Secretary Gale Norton.
USGS photograph taken on October 2, 2004, by Elliott Endo.
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Image, click to enlarge MSH04_press_conference_Dan_Miller_10-02-04.jpg
Cascades Volcano Observatory (CVO) press conference: USGS Volcanologist Dan Miller fields questions from the media. Department of the Interior Secretary Gale Norton is behind on the right.
USGS photograph taken on October 2, 2004, by Elliott Endo.
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Image, click to enlarge MSH04_news_media_coldwater_ridge_10-03-04.jpg
News media at Coldwater Ridge.
USGS photograph taken on October 3, 2004, by Stephanie Konfal and Dan Dzurisin.
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Image, click to enlarge MSH04_EDM_at_JRO_USGS_scientist_10-03-04.jpg
USGS scientist takes EDM measurements at the Johnston Ridge Observatory.
USGS photograph taken on October 3, 2004, by Gene Iwatsubo.
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Image, click to enlarge MSH04_aerial_crater_dome_from_SW_10-03-04.jpg
Aerial view, Mount St. Helens crater and dome from the southwest. Spirit Lake is just visible upper left.
USGS photograph taken on October 3, 2004, by Stephanie Konfal and Dan Dzurisin.
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Image, click to enlarge MSH04_dome_glacier_uplift_from_east_10-03-04.jpg
Mount St. Helens dome and glacier uplift from the east.
USGS photograph taken on October 3, 2004, by Stephanie Konfal and Dan Dzurisin.
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Image, click to enlarge MSH04_jumbled_glacier_vent_south_dome_10-03-04.jpg
Mount St. Helens dome and jumbled glacier from the south.
USGS photograph taken on October 3, 2004, by Stephanie Konfal and Dan Dzurisin.
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Image, click to enlarge MSH04_USGS_scientist_collects_roof_ash_10-04-04.jpg
U.S. Geological Survey scientist, Dan Gooding, collects ash from the October 4, 2004 Mount St. Helens event.
USGS photograph taken on October 4, 2004, by John Pallister.
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Image, click to enlarge MSH04_ash_collector_on_shoestring_10-04-04.jpg
U.S. Geological Survey scientist installs buckets to collect any ash which might come that direction. This bucket is located on Shoestring Notch, on the southeast rim of Mount St. Helens.
USGS photograph taken on October 4, 2004, by John Pallister.
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Image, click to enlarge MSH04_USGS_scientist_installs_ash_collectors_10-04-04.jpg
U.S. Geological Survey scientist installs buckets to collect any ash which might come that direction. Another Cascade Range volcano, Mount Adams, is in the background.
USGS photograph taken on October 4, 2004, by John Pallister.
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Image, click to enlarge MSH04_two_portable_telemetered_GPS_stations_10-04-04.jpg
USGS photograph taken on October 4, 2004.
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Image, click to enlarge MSH04_portable_GPS_attached_to_sling_10-04-04.jpg
USGS photograph taken on October 4, 2004 by Matt Logan and Winston Stokes.
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Image, click to enlarge MSH04_portable_GPS_station_with_chopper_10-04-04.jpg
USGS photograph taken on October 4, 2004.
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Image, click to enlarge MSH04_slinging_portable_telemetered_GPS_station_10-04-04.jpg
USGS photograph taken on October 4, 2004.
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Image, click to enlarge MSH04_crater_dome_from_SW_with_spirit_lake_10-04-04.jpg
Aerial view of Mount St. Helens crater and dome, showing ash covered areas, and new vent. Spirit Lake is in the background.
USGS photograph taken 4 October, 2004, by Gene Iwatsubo.
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Image, click to enlarge MSH04_dome_from_east_10-04-04.jpg
USGS photograph taken on October 4, 2004.
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Image, click to enlarge MSH04_crater_rim_plume_0929PDT_10-05-04.jpg
Aerial view of Mount St. Helens' crater rim and recent plume, from the south.
USGS Photograph taken on 5 October 2004 at 09:29:21 PDT, by Steve Schilling.
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Image, click to enlarge MSH04_crater_rim_plume_0950PDT_10-05-04.jpg
Aerial view of Mount St. Helens' crater rim and recent plume.
USGS Photograph taken on 5 October 2004 at 09:50:58 PDT, by Steve Schilling.
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Image, click to enlarge MSH04_crater_rim_plume_0956PDT_10-05-04.jpg
Aerial view of Mount St. Helens' crater rim and recent plume.
USGS Photograph taken on 5 October 2004 at 09:56:05 PDT, by Steve Schilling.
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Image, click to enlarge MSH04_crater_rim_ash_1016PDT_10-05-04.jpg
Aerial view of Mount St. Helens' crater rim and ash from recent plume.
USGS Photograph taken on 5 October 2004 at 10:16:03 PDT, by Steve Schilling.
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Image, click to enlarge MSH04_USGS_scientist_attaches_FLIR_10-05-04.jpg
USGS scientist, Steve Schilling, attaches the FLIR (Forward Looking Infrared) to the helicopter.
USGS Photograph taken on 5 October 2004 by Larry Mastin.
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Image, click to enlarge MSH04_USGS_scientist_operating_FLIR_10-05-04.jpg
USGS scientist, Steve Schilling, operating the FLIR (Forward Looking Infrared) while in flight.
USGS Photograph taken on 5 October 2004 by Larry Mastin.
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Image, click to enlarge MSH04_helicopter_FLIR_and_MSH_plume_10-05-04.jpg
Helicopter with FLIR mounted below nose, with Mount St. Helens eruption in the background.
USGS Photograph taken on 5 October 2004 by Larry Mastin.
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Image, click to enlarge MSH04_seismic_drums_10-06-04.jpg
Seismic drums set up for the media, at the Cascades Volcano Observatory (CVO).
USGS photograph taken October 6, 2004 by John Clemens.
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Image, click to enlarge MSH04_seismic_drum_st_helens_west_flank_10-06-04.jpg
Seismic drum set up for the media, at the Cascades Volcano Observatory (CVO).
USGS photograph taken October 6, 2004 by John Clemens.
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Image, click to enlarge MSH04_dome_glacier_uplift_from_east_10-07-04.jpg
View from the east side of Mount St. Helens lava dome looking at the lava dome (right) and the uplift of the glacier and south flank of the lava dome (left).
USGS Photograph taken on 7 October 2004 by Dan Dzurisin.
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Image, click to enlarge MSH04_ash_collection_USGS_scientist_10-10-04.jpg
USGS scientist collection ash sample.
USGS Photograph taken on 10 October 2004, by Cynthia Gardner.
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Image, click to enlarge MSH04_crater_dome_uplift_from_NW_10-10-04.jpg
Mount St. Helens dome and uplift as seen from the northwest.
USGS Photograph taken on 10 October 2004, by Jim Vallance.
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Image, click to enlarge MSH04_dome_from_sugarbowl_10-10-04.jpg
Mount St. Helens dome as seen from Sugar Bowl remote camera, on the northeast flank.
USGS Photograph taken on 10 October 2004, by Mike Poland.
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Image, click to enlarge MSH04_crater_dome_uplift_from_NE_10-11-04.jpg
Mount St. Helens crater, dome, and uplift from the northeast.
USGS Photograph taken on 11 October 2004, by Mike Poland.
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Image, click to enlarge MSH04_remote_camera_on_sugarbowl_dome_10-12-04.jpg
Remote still camera, on loan from the USGS Hawaiian Volcano Observatory (HVO) in place on Sugar Bowl. Mount St. Helens' lava dome is in the background.
USGS photograph taken on 12 October 2004 by Gene Iwatsubo.
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MSH04_new_growth_visual_image_10-13-04.jpg
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MSH04_new_growth_FLIR_image_10-13-04.jpg
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Visual image and FLIR image for comparison, of new growth on dome.
USGS images taken on 13 October 2004.

Image, click to enlarge MSH04_aerial_crater_dome_uplift_from_NW_10-14-04.jpg
Mount St. Helens crater, dome, and uplift with new growth and new avalanche fan, as seen from the northwest.
USGS Photograph taken on 14 October 2004, by Richard Waitt.
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Image, click to enlarge MSH04_dome_uplift_from_east_10-14-04.jpg
Mount St. Helens dome and uplift with new growth, as seen from the east.
USGS Photograph taken on 14 October 2004, by Willie Scott.
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Image, click to enlarge MSH04_dome_181018PDT_from_sugarbowl_10-15-04.jpg
Mount St. Helens dome as seen from Sugar Bowl remote camera, on the northeast flank.
USGS Photograph taken at 18:10:18 PDT on 15 October 2004, by Mike Poland.
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Image, click to enlarge MSH04_rock_sample_collector_10-20-04.jpg
Sampling equipment for taking rock samples from the dome.
USGS photograph taken on October 20, 2004.
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Image, click to enlarge MSH04_rock_sample_collector_sling_10-20-04.jpg
Slinging sampling equipment for taking rock samples from the dome.
USGS photograph taken on October 20, 2004.
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Image, click to enlarge MSH04_rock_sample_collector_with_sample_10-20-04.jpg
Rock samples from the dome.
USGS photograph taken on October 20, 2004.
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Image, click to enlarge MSH04_rock_samples_from_dome_10-20-04.jpg
Rock samples from the dome.
USGS photograph taken on October 20, 2004.
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Image, click to enlarge MSH04_portable_GPS_last_minute_prep_10-24-04.jpg
Prepping MID9 GPS station for it's sling to the dome. Due to weather this station was dropped off (temporarily) on a boulder on the north side of the dome.
USGS photograph taken on October 24, 2004, by Steve Schilling.
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Image, click to enlarge MSH04_remote_camera_on_sugarbowl_winter_10-24-04.jpg
Ice-covered remote camera on Sugar Bowl.
USGS Photograph taken on 24 October 2004, by Steve Schilling.
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Image, click to enlarge MSH04_remote_camera_on_sugarbowl_ice_10-24-04.jpg
Ice-covered remote camera on Sugar Bowl.
USGS Photograph taken on 24 October 2004, by Steve Schilling.
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Image, click to enlarge MSH04_elk_rock_AFM_transport_to_site_10-25-04.jpg
USGS scientist, Kurt Spicer, transports the Elk Rock AFM station to its location.
USGS photograph taken on October 25, 2004, by Dennis Saunders.
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Image, click to enlarge MSH04_MID9_slung_from_boulder_to_opus_10-27-04.jpg
Picking up MID9 GPS spider for final sling to Opus, on the south of the old dome.
USGS photograph taken on October 27, 2004, by John Pallister.
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Image, click to enlarge MSH04_MID9_on_opus_10-27-04.jpg
MID9 GPS spider on Opus.
USGS photograph taken on October 27, 2004, by John Pallister.
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Image, click to enlarge MSH04_new_growth_closein_10-27-04.jpg
Mount St. Helens new growth, closein, from the west-northwest.
USGS Photograph taken on 27 October 2004, by David Wieprecht.
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Image, click to enlarge MSH04_crater_dome_from_JRO_10-29-04.jpg
Mount St. Helens crater and dome as seen from Johnston Ridge Observatory (JRO).
USGS Photograph taken on 29 October 2004, by Elliot Endo.
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Image, click to enlarge MSH04_st_helens_plume_into_sun_11-04-04.jpg
Mount St. Helens' plume, looking into the sun.
USGS Photograph taken on November 4, 2004, by Jim Vallance and Matt Logan.
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Image, click to enlarge MSH04_crater_dome_new_growth_from_NE_11-04-04.jpg
Mount St. Helens' crater, dome, and new growth, from the northeast.
USGS Photograph taken on November 4, 2004, by Jim Vallance and Matt Logan.
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Image, click to enlarge MSH04_new_growth_uplift_from_east_11-04-04.jpg
Mount St. Helens' new growth, from the east.
USGS Photograph taken on November 4, 2004, by David Wieprecht.
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Image, click to enlarge MSH04_new_dome_from_east_11-04-04.jpg
Mount St. Helens' new growth, from the east.
USGS Photograph taken on November 4, 2004, by John Pallister.
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Image, click to enlarge MSH04_new_dome_closein_from_east_11-04-04.jpg
Base of Mount St. Helens' new growth, from the east.
USGS Photograph taken on November 4, 2004, by John Pallister.
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Image, click to enlarge MSH04_ash_layers_snow_south_ridge_11-04-04.jpg
Ash layers fallen on snow, at South Ridge.
USGS photograph on November 4, 2004, by Carl Thornber.
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Image, click to enlarge MSH04_USGS_scientists_examine_dome_rocks_11-04-04.jpg
USGS scientists examine new rock samples from the new growth on Mount St. Helens' dome.
USGS Photograph taken on November 4, 2004, by David Wieprecht.
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Image, click to enlarge MSH04_st_helens_rock_sample_dacite_11-04-04.jpg
2004 - Hypersthene-Hornblende Dacite (collected November 4, 2004), 65.3 weight % SiO2.
  • Hornblende is the dominant mafic mineral
  • Hypersthene is smaller and less abundant and augite is not present
  • No significant hornblende reaction rims
  • Lacks large plagioclase phenocrysts with sieve-textured cores

USGS Photograph by Carl Thornber and Mike Clynne.
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Image, click to enlarge MSH04_st_helens_rock_sample_hornblende_11-04-04.jpg
2004 - Hornblende in dome dacite (collected November 4, 2004).
USGS Photograph by Carl Thornber and Mike Clynne.
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Image, click to enlarge MSH04_silver_fox_drone_from_above_11-04-04.jpg
USGS photograph taken on November 4, 2004 by John Pallister.
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Image, click to enlarge MSH04_silver_fox_drone_launching_11-04-04.jpg
USGS photograph taken on November 4, 2004 by John Pallister.
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Image, click to enlarge MSH04_night_shot_new_dome_from_JRO_11-04-04.jpg
Night shot (approximately 7:30 PM PST) of new growth on Mount St. Helens' lava dome, as seen from Johnston Ridge Observatory (JRO).
USGS Photograph taken on November 4, 2004, by Elliot Endo.
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Image, click to enlarge MSH04_new_growth_hot_glow_plume_closein_11-04-04.jpg
Hot glowing new growth on Mount St. Helens' lava dome, as seen from Johnston Ridge Observatory (JRO), with base of small steam and ash plume.
USGS Photograph taken on November 4, 2004, by Elliot Endo.
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Image, click to enlarge MSH04_hoala_AFM_USGS_scientist_msh_11-05-04.jpg
Hoala AFM station (Acoustic Flow Monitor).
USGS photograph taken on November 5, 2004, by Tom Hale.
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Image, click to enlarge MSH04_aerial_crater_dome_new_growth_from_NW_11-07-04.jpg
Mount St. Helens new growth, from the northwest.
USGS Photograph taken on November 7, 2004, by John Pallister.
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Image, click to enlarge MSH04_new_growth_no_steam_from_NW_11-07-04.jpg
Closeup view of Mount St. Helens new growth, from the northwest.
USGS Photograph taken on November 7, 2004, by John Pallister.
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Image, click to enlarge MSH04_new_growth_near_vertical_11-07-04.jpg
Closeup view of Mount St. Helens new growth, from nearly vertical view. North is to the bottom.
USGS Photograph taken on November 7, 2004, by John Pallister.
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Image, click to enlarge MSH04_crater_dome_from_east_11-10-04.jpg
Mount St. Helens' crater and lava dome, as seen from the east.
USGS Photograph taken on November 10, 2004, by John Pallister.
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Image, click to enlarge MSH04_new_growth_east_closeup_striations_11-10-04.jpg
Closeup of Mount St. Helens' new growth, as seen from the east.
USGS Photograph taken on November 10, 2004, by Steve Schilling.
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Image, click to enlarge MSH04_new_growth_from_east_11-12-04.jpg
Mount St. Helens' new growth as seen from the east.
USGS Photograph taken on November 12, 2004, by Willie Scott.
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Image, click to enlarge MSH04_dome_from_sugarbowl_camera_11-14-04.jpg
New dome as seen from the remote camera on Sugar Bowl.
USGS Photograph taken on November 14, 2004.
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Image, click to enlarge MSH04_spiders_spiders_spiders_11-20-04.jpg
Portable Telemetered Stations, L1 GPS spiders, on the ground at the Gravelyard, waiting to be slung to Mount St. Helens crater. The seismic station NED is on the left. It is to be placed on the 1980-86 dome, along with one of the GPS stations (NEDB).
USGS photograph taken on November 20, 2004.
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Slinging Portable Telemetered GPS System (NEDB) to the dome top of the new dome.
USGS Photograph taken on November 20, 2004, by Dan Dzurisin.
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GPS spider, NEDB on the left and seismic system NED on the right, deployed on the 1980-86 dome.
USGS Photograph taken on November 20, 2004, by Dan Dzurisin.
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Mount St. Helens' new growth as seen from the south-southeast.
USGS Photograph taken on November 20, 2004, by Dan Dzurisin.
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Southwest view of glacial uplift.
USGS Photograph taken on November 20, 2004, by Steve Schilling.
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New growth on Mount St. Helens dome as seen from the east.
USGS images taken on 20 November 2004, by Jeff Marso.
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Visual image compared to FLIR (Forward Looking Infrared) image of new growth on dome, as seen from the east.
USGS images taken on 20 November 2004, by Jeff Marso, Matt Logan, and Stephanie Konfal.
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Closeup of Mount St. Helens' new growth, from the east.
USGS Photograph taken on November 20, 2004, by Dan Dzurisin.
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Aerial view, Mount St. Helens crater and dome, with new growth, from the northwest.
USGS Photograph taken on November 29, 2004, by Jim Vallance and Matt Logan.
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New growth from the north.
USGS Photograph taken on November 29, 2004, by Jim Vallance and Matt Logan.
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Mount St. Helens' new dome, from the northwest.
USGS Photograph taken on November 29, 2004, by Jim Vallance and Matt Logan.
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From the east, view of the glacier uplift agains the south crater wall.
USGS Photograph taken on November 29, 2004, by Jim Vallance and Matt Logan.
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USGS scientists (yellow circle) on Mount St. Helens' crater rim setting up new camera station ("Brutus") to look at the new dome. The camera station is to be manned manually, weather and eruption permitting.
USGS Photograph taken on November 29, 2004, by John Pallister.
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New dome and glacier uplift, as seen from Brutus.
USGS Photograph taken on November 29, 2004, by Dan Dzurisin.
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Aerial view of Mount St. Helens' crater and dome from the east.
USGS Photograph taken on December 11, 2004, by John Pallister.
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Mount St. Helens' crater and dome from the east.
USGS Photograph taken on December 11, 2004, by John Pallister.
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Mount St. Helens' dome from the Sugar Bowl remote camera. Image has been converted to black/white for clarity.
USGS Photograph taken on December 17, 2004, by Mike Poland.
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Ice build up on the Sugar Bowl Camera.
USGS Photograph taken on December 23, 2004, by Mike Poland.
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Closeup of Mount St. Helens' dome from Sugar Bowl. Large crack down center of new growth is a fault (one of many on the dome), with the right section becoming higher than the left.
USGS Photograph taken on December 23, 2004, by Mike Poland.
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Mount St. Helens dome from the Johnston Ridge Observatory (JRO).
USGS Photograph taken on December 23, 2004, by Elliot Endo.
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Seismic spider (painted green). This unit was designed with a seperate weighted accelerometer (seismic unit)to replace the unit put out on November 20, 2004.
USGS Photograph taken on December 23, 2004, by Mike Poland.
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Seismic spider (painted green).
USGS Photograph taken on December 23, 2004, by Mike Poland.
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Slinging Portable Seismic spider.
USGS Photograph taken on December 23, 2004, by Marv Couchman.
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Portable Seismic spider, in place on top of the 1980-86 dome.
USGS Photograph taken on December 23, 2004, by Marv Couchman.
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Aerial, Mount St. Helens' crater and dome from the southeast.
USGS Photograph taken on December 28, 2004, by Jim Vallance and Stephanie Konfal.
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Mount St. Helens' new dome from the east.
USGS Photograph taken on December 28, 2004, by Jim Vallance and Stephanie Konfal.
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Mount St. Helens' new dome from the northeast, showing fault (one of many on the dome) with the right side of the new dome (north side) becoming higher than the left side of the new dome (south side).
USGS Photograph taken on December 28, 2004, by John Pallister.
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Aerial view of Mount St. Helens' crater and new dome, from the east.
USGS Photograph taken on January 3, by Ken McGee.
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Mount St. Helens' new dome, from the east.
USGS Photograph taken on January 3, by Steve Schilling.
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Slinging newly gathered dome rocks.
USGS Photograph taken on January 3, 2005, by Steve Schilling.
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Newly gathered dome rocks.
USGS Photograph taken on January 3, 2005, by Steve Schilling.
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New dome as seen from the remote camera on Sugar Bowl.
USGS Photograph taken on January 14, 2005.
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The "tilt-leg spider" CDAN (GPS and accelerometer) and the remote dome camera/gas monitoring station getting ready to be slung.
USGS Photograph taken on January 14, 2005, by Steve Schilling.
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New dome camera/gas monitoring station sitting on Sugar Bowl. The 3-foot-high legs are for sinking into the snow when camera is put in place on the dome. Mount Adams is in the background.
USGS Photograph taken on January 14, 2005, by Dan Dzurisin.
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Slinging new remote dome camera/gas monitoring station.
USGS Photograph taken on January 14, 2005, by Dan Dzurisin.
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Helicopter landing, at "Opus" area of the dome, north of the new dome. The new dome camera/gas sampling station is to the right (above yellow line) underneath helicopter. The GPS/accelerometer spider is just visible as a speck on top of new dome (yellow circle). The area of orange paint splotches on the new dome is within the yellow square.
USGS Photograph taken on January 14, 2005, by Dan Dzurisin.
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New "tilt-leg spider" on top of north-face of the new dome. This station houses GPS and an accelerometer.
USGS Photograph taken on January 14, 2005, by John Pallister.
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Remains of the dome camera/gas sampling station on Opus, after the event of January 16, 2005. The camera is missing, wooden base and fiberglass housing are broken, gas intake tube is disconnected, and there are three holes in the roof, and, although not obvious here, the station is tilted eastward 10-20 degrees (i.e., away from the likely source of the explosion).
USGS Photograph taken on January 19, 2005, by Dan Dzurisin.
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Ash collecting, Plains of Abraham, on the eastern flank of Mount St. Helens.
USGS Photograph taken on January 19, 2005, by Dan Dzurisin.
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Vertical view, Mount St. Helens' crater and dome. North is to the bottom and south to the top.
USGS Photograph taken on January 23, 2005, by John Pallister.
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Aerial view, Mount St. Helens as seen from the northeast. Spirit Lake is in the lower left. St. Helens Lake is in the lower right.
USGS Photograph taken on February 1, 2005, by John Pallister.
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Aerial view, Mount St. as seen from the north. The new dome is visible behind the old dome.
USGS Photograph taken on February 1, 2005, by John Pallister and Rozalind Helz.
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Aerial view, Mount St. as seen from the north. The new dome is visible behind the old dome.
USGS Photograph taken on February 1, 2005, by John Pallister and Rozalind Helz.
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Mount St. Helens' new dome as seen from the northwest.
USGS Photograph taken on February 1, 2005, by Steve Schilling.
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Mount St. Helens' new dome, glacier uplift, and old dome, as seen from the east.
USGS Photograph taken on February 1, 2005, by Steve Schilling.
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Aerial view, Mount St. Helens as seen from the southeast.
USGS Photograph taken on February 3, 2005, by Matt Logan.
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Aerial view, Mount St. Helens crater and dome, as seen from the southeast.
USGS Photograph taken on February 3, 2005, by Matt Logan.
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USGS "spider" named "AHAB" is getting ready to be slung to the "whaleback". AHAB contains GPS, seismic, and temperature gages.
USGS Photograph taken on February 8, 2005, by Seth Moran.
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USGS "spider" named "AHAB" perched on new dome.
USGS Photograph taken on February 10, 2005, by Rick LaHusen.
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Mount St. Helens' crater and dome as seen from the east. New growth is on the left and the older 1980-1986 dome is on the right.
USGS Photograph taken on February 16, 2005, by Jim Vallance and John Ewert.
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Mount St. Helens' crater and dome as seen from the east. New growth is on the left and the older 1980-1986 dome is on the right.
USGS Photograph taken on February 16, 2005, by Jim Vallance and John Ewert.
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Mount St. Helens' new dome as seen from the east.
USGS Photograph taken on February 16, 2005, by Jim Vallance and John Ewert.
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Top of Mount St. Helens' new dome as seen from the northeast.
USGS Photograph taken on February 16, 2005, by Jim Vallance and John Ewert.
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Upper part of Mount St. Helens' new dome as seen from the north.
USGS Photograph taken on February 16, 2005, by Jim Vallance and John Ewert.
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Upper part of Mount St. Helens' new dome as seen from the north. Temperature in degrees C.
USGS Photograph taken on February 16, 2005, by Jim Vallance and John Ewert.
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North base of Mount St. Helens' new growth as seen from the northeast.
USGS Photograph taken on February 16, 2005, by Pat McChesney.
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Mount St. Helens new dome as seen from the northwest.
USGS Photograph taken on February 16, 2005, by Joe Walder.
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New dome as seen from the remote camera on Sugar Bowl, converted to black/white.
USGS Photograph taken on February 16, 2005.
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