At 6:22 on Thursday morning, a 3.1-magnitude earthquake was detected south of Black Diamond.
According to the U.S. Geological Society and Pacific Northwest Seismic Network, people as far north as Everett and as far southwest as Olympia reported feeling the earthquake, which happened at a depth of around 11 miles.
The epicenter was located 3.6 miles north of Enumclaw and around 3 miles south of Black Diamond.
The USGS and PNSN report that 12 earthquakes with a magnitude of 2.5 or higher have been felt in Washington this year. The 3.6 magnitude earthquake that was the greatest was recorded in May, east of Mount Vernon.
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