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.

(WHTM) — Residents in Pennsylvania felt shaking Friday morning as a 4.8 magnitude earthquake struck New Jersey. Earthquake reported in New Jersey, tremors felt in Pennsylvania One of the most commonly ...

GOLDEN, Colo. (CBS4)- It's a complicated formula for calculating the severity of earthquakes. But we get it… kind of. Still, it has generally served us well: 5.4, 6.2, 8.0, 9.1. You get the point.

YANGON: According to a statement released by the Department of Meteorology and Hydrology, an earthquake measuring 4.5 on the ...

An earthquake, measuring 5.7 on the Richter scale, occurred on Monday with the epicentre in the Leh area of the Ladakh region ...

Shortly after it occurred, scientists said there was a slight chance Monday’s magnitude-4.4 earthquake in Los Angeles may have been a “foreshock” of a bigger one yet to come. That’s obviously getting ...

(WHTM) – Residents along much of the East Coast felt shaking Friday morning as a 4.8 magnitude earthquake struck New Jersey. One of the most commonly known earthquake-measuring tools is the Richter ...