Seafloor sensors caught a rare slow quake in action. It hints at how Earth's stress is quietly released. For the first time, scientists have directly observed a slow slip earthquake in the midst of relieving tectonic stress along a major underwater fault zone.

Two people have died in Guatemala after falling rocks crushed their vehicle during a series of earthquakes. Authorities reported over 37 tremors on Tuesday, with magnitudes ranging from 3.0 to

While rare, Redding does get earthquakes strong enough for us to feel. Here's why Shasta and Siskiyou counties and the north Sacramento Valley shakes.

The number and size of Texas quakes increased dramatically around 2010 when well injection became the common disposal method. This year, Texas was the only state other than Alaska to claim

The United States Geological Survey has confirmed a weekend earthquake near the South Carolina-Georgia state line.