PORTLAND, Ore. ( KOIN ) — During the month of September, Mount Adams has recorded nearly six times the amount of earthquakes typically recorded in an entire year.
Earthquake activity around Mount Adams increased during the month of September with a total of six quakes recorded. The U.S. Geological Survey Cascades Volcano Observatory (CVO) and Pacific Northwest Seismic Network (PNSN) explained in a statement that the earthquakes observed in September ranged from a magnitude of 0.9 to 2.0.
The agencies went on to explain that Mount Adams typically only sees one earthquake every 2-3 years.
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“To improve seismic monitoring capabilities, CVO has permission from the U.S. Forest Service to install temporary seismic stations south and southwest of Mount Adams. The seismic stations are part of CVO’s rapid deployment instrument packages that can be deployed quickly as needed,” the USGS explained in a statement Thursday, October 3, 2024.