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.

(NEXSTAR) — While areas like California and the West Coast may be top of mind when you think of where earthquakes occur in the U.S., a new report shows nearly 75% of the country could experience a ...

A 5.5 magnitude earthquake struck waters outside of Northern California on Sunday, according to the United States Geological Survey (USGS). USGS said the earthquake was reported at around 11:45 a.m.

Earthquakes are measured using seismographs, which monitor the seismic waves that travel through the Earth after an earthquake strikes. Scientists used the Richter Scale for many years but now largely ...

Things have been off to a shaky start in the Midlands in 2022. Kershaw County has reported 3 earthquakes in the first week of January. The two quakes reported Wednesday brought the total number of ...

Seven earthquakes rumbled in Oklahoma between Sunday afternoon and Monday morning, according to the United States Geological Survey. The first earthquake shook just before 1 p.m. about 4 miles east of ...