VANCOUVER, Wash. – Scientists have detected unusual seismic activity around Mount Adams in southern Washington, but say it’s no cause for alarm.
Nestled in the Cascades about 50 miles from Yakima, Mount Adams typically only experiences about 1 earthquake every 2–3 years, according to the U.S. Geological Survey. But the agency registered six small quakes just in September alone, ranging in magnitude from 0.9 to 2.0.
The USGS said they were the most earthquakes detected at Mount Adams in a month since 1982, when monitoring began.
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