A Swarm of earthquakes began at Mount Hood on January 11, 1999. A current list of earthquakes in the swarm is available. In general the earthquakes occurred about 4 miles (7 kilometers) south-southeast of Mount Hood near the Mount Hood Meadows ski area. Several magnitude 3 earthquakes have occurred in the swarm. The largest earthquake in this area in the last 30 years was a magnitude 4 earthquake on December 13, 1974. The approximate location of earthquakes in the January, 1999 swarm is 45.3195N 121.6538W.
January 14, 1999 Information Statement
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Link to:
[University of Washington Geophysics Program, Pacific Northwest Seismic Network's
Mount Hood Page] ...
