Local emergency agencies say they are monitoring the seismic activity but have not issued any tsunami warnings.

Two earthquakes struck off the Oregon coast on Tuesday, rattling communities along the Pacific Northwest shoreline.

At least seven earthquakes have rattled the coast of Alaska in the last 24 hours, according to the United States Geological Survey (USGS). The quakes range in magnitude from 2.5 up to 5.2 and stretch ...

A magnitude 3.0 earthquake struck 13 kilometers southwest of Elbert, Colorado, on Friday afternoon, according to the United ...

A series of earthquakes, including two measuring 3.5, shook the Big Bear area overnight. The first temblor – a 3.5-magnitude – struck around 11:15 p.m. Saturday 7 kilometers (roughly 4.3 miles) north ...

MINCO, Okla. (KFOR) – The United States Geological Survey has recorded 30 earthquakes of magnitude one or larger in the Minco area since last week. The largest earthquake happened last Thursday, ...

Most Californians are familiar with earthquakes. But researchers say the state faces an overlooked threat: "supershear" earthquakes that move so fast they outrun their own seismic waves. "While ...