After ranking sixth in the poll last week, Magnitude vaults to the top spot this week off his scorching victory over reigning ...

The United States Geological Survey recorded a 3.9-magnitude earthquake in the Gulf on Sunday.

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.

A light, 4.1-magnitude earthquake struck in Southern California on Friday, according to the United States Geological Survey. The temblor happened at 3:13 p.m. Pacific time about 16 miles northwest of ...

Learn how to write a vector in component form given two points and also how to determine the magnitude of a vector given in ...