While seismic activity is not uncommon in the state, experts believe the frequency at which they’re happening is unusual.

HAITI -- Humanitarian efforts are underway to help those affected by Saturday's massive 7.2 magnitude earthquake off the coast of Haiti. While efforts are mobilizing, Humanitarian officials worry ...

On February 28, 2001 a 6.8 magnitude earthquake shook parts of Western Washington for almost a full minute. The quake hit at ...

A 1.8 magnitude earthquake shook Irmo near Columbia, South Carolina on Feb. 16 about 3.1 miles from the Midlands town. It is the third in the row.

SUSITNA, Alaska (AP) — A 6.0-magnitude earthquake rocked the Anchorage metropolitan area Thursday morning, according to the U.S. Geological Survey. The quake struck at about 8:11 a.m. local time at a ...