USGS/Cascades Volcano Observatory, Vancouver, Washington
Earthquakes and Seismicity
- Current Cascade Range Seismicity
- Current Cascade Range Seismic Activity Information
- Background and Information
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DESCRIPTION: Earthquakes and Seismicity
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Amplitudes ...
Earthquake ...
Earthquake Swarms ...
Harmonic Tremor ...
Intensity ...
"Lg" Waves ...
Local Magnitude Scale ...
Long Period Earthquakes ...
Love Waves ...
Magnitude ...
Mercalli Scale ...
"P" Waves ...
Primary Waves ...
Rayleigh Waves ...
Richter Scale ...
Rossi-Forel Scale ...
"S" Waves ...
Secondary Waves ...
Shear Waves ...
Seismic Amplitudes ...
Seismic Waves ...
Shallow Earthquakes ...
Short Period Earthquakes ...
Surface Events ...
Surface Waves ...
Tectonic Earthquakes ...
Tremor ...
Volcanic Earthquakes ...
Volcanic Tremor ...
- Terminology
- Special Items of Interest
- Cascade Range Seismicity Menus
- Monitoring Information
- Maps, Graphics, and Images
- Publications and Reports
- Items of Interest
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Adams (Mount Adams) Earthquakes and Seismicity - Menu
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Approximate event counts, by event type at five Cascade volcanoes, 1989-90.
-- includes Mount Baker, Mount Rainier, Mount St. Helens, Mount Adams, and Mount Hood
-- Jonientz-Trisler, Myers, and Power, 1994, IN: USGS Bulletin 2047
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Baker (Mount Baker) Earthquakes and Seismicity - Menu
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Cascade Range - Current Activity Updates
-- includes Seismic information
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Cascade Range Earthquakes and Seismicity - Description
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Cascade Range Earthquakes and Seismicity - Menu
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Crater Lake Earthquakes and Seismicity - Menu
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DESCRIPTION: Cascade Range Earthquakes and Seismicity
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DESCRIPTION: Earthquakes and Seismicity
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DESCRIPTION: RSAM (Real-Time Seismic-Amplitude) Systems and SSAM (Seismic Signal-Amplitude) Systems
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DESCRIPTION: Seismometers, Seismographs, and Seismograms, etc.
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Earthquake Terminology
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Earthquakes and Seismicity, Signals and Tremor, Magnitude and Intensity - Description
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Earthquake Swarms - Description
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Glacier Peak Earthquakes and Seismicity - Menu
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Harmonic Tremor - Description
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Hazards: Seismicity
-- Excerpt from: Hoblitt, et.al., 1987, USGS Open-File Report 87-297
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Hood (Mount Hood) Earthquakes and Seismicity - Menu
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Magnitudes and Intensity - Description
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Maps and Graphics - Earthquakes and Seismicity
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Modified Mercalli Intensity Scale - Description
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Monitoring Techniques - Menu
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Mount Adams Earthquakes and Seismicity - Menu
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Mount Baker Earthquakes and Seismicity - Menu
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Mount Hood Earthquakes and Seismicity - Menu
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Mount Hood - July 1980 Mt. Hood earthquake swarm
-- Rite and Iyer, 1981, USGS Open-File Report 81-48
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Mount Rainier Earthquakes and Seismicity - Menu
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Mount St. Helens Earthquakes and Seismicity - Menu
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Mount St. Helens May 18, 1980 Seismogram
-- [Graphic,561K,InlineJpg]
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Oregon Cascades Earthquakes and Seismicity - Description
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Pacific Northwest Seismograph Network
-- information, maps, and links to the University of Washington Geophysic Programs Pacific Northwest Seismic Network Website
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CVO Photo Archives - Monitoring Images, 1980-2004
-- includes Seismic
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CVO Photo Archives - Monitoring Images, 2004 to Current
-- includes Seismic
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Plate Tectonics - Menu
-- general information about plate tectonics
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Publications and Reports - Earthquakes and Seismicity
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Rainier (Mount Rainier) Earthquakes and Seismicity - Menu
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Richter Scale - Local Magnitude Scale - Moment Magnitude Scale - Description
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RSAM (Real-Time Seismic-Amplitude) Systems - Description
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Seismic Monitoring at Cascade Volcanic Centers, 2004 -- Status and Recommendations
-- Moran, 2005, USGS Scientific Investigations Report 2004-5211
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Seismic studies at the Mt. Hood Volcano, northern Cascade Range, Oregon
-- Green, et.al., 1979, USGS Open-File Report 79-1261
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Seismic Waves - Description
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Seismicity - Cascade Range - Menu
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Seismometers, Seismographs, and Seismograms, etc. - Description
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SSAM (Seismic Spectral-Amplitude) Systems - Description
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St. Helens (Mount St. Helens) Earthquakes and Seismicity - Menu
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Terminology
-- Earthquake and Seismic, etc. Terminology
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Three Sisters Earthquakes and Seismicity - Menu
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Tsunami and Seismic Sea Waves - Menu
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Volcano and Hydrologic Hazards - Menu
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Volcano and Hydrologic Monitoring - Menu
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VolQuake Program
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Washington Cascades Earthquakes and Seismicity - Description
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What Causes Earthquakes?
-- Excerpt from: Noson, Qamar, and Thorsen, 1988, Washington State Earthquake Hazards
- Useful Links
- Other Menus of Interest
URL for CVO HomePage is:
<http://vulcan.wr.usgs.gov/home.html>
URL for this page is:
<http://vulcan.wr.usgs.gov/Glossary/Seismicity/framework.html>
If you have questions or comments please contact:
<GS-CVO-WEB@usgs.gov>
04/27/07, Lyn Topinka