REPORT:
Monitoring Volcanoes: Techniques and Strategies Used by the Staff of the Cascades Volcano Observatory, 1980-1990

Table of Contents

• Introduction
  -- by John W. Ewert and Donald A. Swanson

• A Real-Time Seismic-Amplitude Measurement System (RSAM)
  -- Thomas L. Murray and Elliot T. Endo
  • Abstract
  • Table of Contents

• A Low-Data-Rate Digital Telemetry System
  -- Thomas L. Murray
  • Abstract
  • Table of Contents

• Operating Low-Power Telemetry Networks in Severe Environments
  -- Andrew B. Lockhart, Thomas L. Murray, and Bruce T. Furukawa
  • Abstract
  • Table of Contents

• A System for Acquiring, Storing, and Analyzing Low-Frequency Time-Series Data in Near-Real Time
  -- Thomas L. Murray
  • Abstract
  • Table of Contents

• Seismic Data-Acquisition Systems at the Cascades Volcano Observatory
  -- Elliot T. Endo and Gloria Smith
  • Abstract
  • Table of Contents

• Methods Used to Monitor Deformation of the Crater Floor and Lava Dome at Mount St. Helens, Washington
  -- Eugene Y. Iwatsubo and Donald A. Swanson
  • Abstract
  • Table of Contents

• Electronic Tiltmeters for Volcano Monitoring: Lessons from Mount St. Helens
  -- Daniel Dzurisin
  • Table of Contents

• Slope-Distance Measurements to the Flanks of Mount St. Helens, Late 1980 through 1989
  -- Eugene Y. Iwatsubo, Lyn Topinka, and Donald A. Swanson
  • Abstract
  • Table of Contents

• Monitoring Radial Crack Deformation by Displacement Meters
  -- Eugene Y. Iwatsubo, John W. Ewert, and Thomas L. Murray
  • Abstract
  • Table of Contents

• Trilateration and Distance-Measuring Techniques Used at Cascades and Other Volcanoes
  -- Eugene Y. Iwatsubo and Donald A. Swanson
  • Abstract
  • Introduction
  • Table of Contents
  • Full Report -- 35K, text complete, some graphics missing

• Installation of Bench Marks and Permanent Reflectors for Geodetic Deformation
  -- Michael P. Doukas and John W. Ewert
  • Abstract
  • Table of Contents

• Geodetic Leveling as a Tool for Studying Restless Volcanoes
  -- Daniel Dzurisin
  • Abstract
  • Table of Contents

• Using First-Order Class II Geodetic Leveling Procedures to Monitor Vertical Displacement
  -- Kenneth M. Yamashita and William P. Kaiser
  • Abstract
  • Table of Contents

• Single-Setup Leveling Used to Monitor Vertical Displacement (Tilt) on Cascade Volcanoes
  -- Kenneth M. Yamashita
  • Abstract
  • Table of Contents

• A Single-Setup Trigonometric Leveling Method for Monitoring Ground-Tilt Changes
  -- John W. Ewert
  • Abstract
  • Table of Contents

• Lake-Level Monitoring as a Tool for Studies of Crustal Deformation
  -- Jack W. Kleinman and Peter M. Otway
  • Abstract
  • Table of Contents

• Techniques for Continuous Monitoring of Surface Water at Active Volcanoes: Examples from Loowit Drainage, Mount St. Helens, and Kelut Crater Lake, Indonesia
  -- Kenneth A. McGee, Andrew J. Sutton, David E. Wieprecht, and Mark E. Iven
  • Abstract
  • Table of Contents

• Fundamental Volcanic-Gas-Study Techniques: An Integrated Approach to Monitoring
  -- A. Jefferson Sutton, Kenneth A. McGee, Thomas J. Casadevall, and J. Barry Stokes
  • Abstract
  • Table of Contents

• Video Surveillance of Active Volcanoes Using Slow-Scan Television
  -- Bruce T. Furukawa, Thomas L. Murray, and Kenneth A. McGee
  • Abstract
  • Table of Contents

• Basic Photography at Mount St. Helens and Other Cascades Volcanoes
  -- Lyn Topinka
  • Abstract
  • Introduction
  • Table of Contents
  • Full Report -- 70K, text complete with inline images, some images and graphics missing

• The Importance of Field Observations for Monitoring Volcanoes, and the Approach of "Keeping Monitoring as Simple as Practical"
  -- Donald A. Swanson
  • Abstract
  • Table of Contents
  • Full Report -- 22K

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