N​early 75% of the country is at risk for a potentially damaging earthquake, according to a recently updated USGS map.

The team completed a detailed map of more than 550 miles ... beginning to assess how the new data affects earthquake ...

SNOQUALMIE, Wash. — An earthquake struck near Snoqualmie Monday afternoon, according to the United States Geological Survey ...

The temblor happened at 6:34 p.m. Pacific time about 2 miles northwest ... collected about the earthquake may also prompt U.S.G.S. scientists to update the shake-severity map.

According to data on a map posted by the network ... according to a Wednesday blog post by Renate Hartog, manager of the ...

Oregon scientists are hoping to help the coastal communities survive a major inundation in various ways. One of those is ...

A 3.5 magnitude earthquake struck Monday afternoon north of North Bend, Washington. The Pacific Northwest Seismic Network says the quake was reported at 1:35 p.m. about four miles northeast of Fall ...

A 3.5 magnitude earthquake was reported near Fall City on Monday afternoon at 1:35 p.m., according to the U.S. Geological Survey’s earthquake hazards program. The quake’s epicenter was about 7 miles ...

Known as Axial Seamount, it’s the most active volcano in the Pacific Northwest – though one ... t trigger a tsunami or a massive land-based earthquake because of its depth and its distance ...

The Pacific Northwest is at risk for a mega-earthquake because of the Cascadia ... scientists were able to create a map of the subduction zone. "The accuracy and this resolution is truly ...

A series of life-threatening fires are destroying homes as they race across Los Angeles County and surrounding areas. CNN is tracking the fires in maps and charts ...