Residents from Washington state to Montana said they felt some of the three earthquakes up to magnitude 4.2 and nearly a half-dozen aftershocks that jolted northern Idaho on Thursday and Friday.
The Associated Press reported a Bonner County emergency dispatcher in Sandpoint as saying no injuries or damage were reported.
The U.S. Geological Survey said a magnitude 4.1 quake hit first, around 7:32 p.m. Thursday. It was centered 30 miles northeast of Hayden.
A second quake of magnitude 4.2 struck a little more than three hours later and was centered 38 miles northeast of Hayden. A magnitude 3.3 temblor hit at 1:28 a.m. Friday in the same area.
Hundreds of people logged onto the Geological Survey's National Earthquake Information website to report feeling the quakes.
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