File:MSH80 Diagram earthquakes April 20th to Mai 18th.gif
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MSH80_Diagram_earthquakes_April_20th_to_Mai_18th.gif (401 × 301 pixels, file size: 7 KB, MIME type: image/gif)
Categories:
- 1980 eruption of Mount St. Helens
- Volcano monitoring in the United States
- Earthquakes of 1980
- Seismograms
- Volcanology of Washington (state)
- Seismology in the United States
- Volcanology of Oregon
- Earthquakes in Washington (state)
- Earthquakes in Oregon
- Seismology in Oregon
- Volcanic earthquakes in the United States
- Volcano seismology in the United States