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 ...

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 ...

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.

According to a geological survey report, a magnitude 6.2 earthquake struck near the coastal side of Peru on Sunday, December ...

The earthquake hit Chimbote, Provincia de Santa, Ancash, Peru, News.Az reports, citing The News.Com. According to the German ...