A 6.2-magnitude earthquake was reported.

A magnitude-2.5 earthquake shook the Charleston, South Carolina region just after 9:00 p.m. local time on Wednesday, centered ...

Earthquakes and seismic activity often happen with sudden movements underground with tectonic plates. Seismographs are used by scientists to measure the time, location and strength of an earthquake.

The U.S. Geological Survey has confirmed that a Ladson-area earthquake shook the area on Saturday night.

What does “moment magnitude” mean, and how do scientists determine the strength of a rupture in the earth? By Henry Fountain Henry Fountain spent a quarter century covering science for The Times. He ...

At least 21 quakes have rattled the East Bay city.

A magnitude-4.2 earthquake rumbled just offshore of the Big Island of Hawaii on Tuesday morning, but officials said no tsunamis were expected. The earthquake was about 5 miles southeast of the ...