Mount St. Helens, an active volcano, had four times as many earthquakes than usual last month

Something wacky seems to be happening underneath Mount St. Helens.

Early today (Jan. 3), at least 17 earthquakes hit near the active volcano in Washington state, in rapid succession between 12:30am and 6:28am US Pacific time. The first and strongest registered a magnitude of 3.9 on the Richter scale, according to the Pacific Northwest Seismic Network.

Last month, University of Washington seismologists logged more than 80 quakes, a huge increase over the average 17 per month.


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