Researchers were once unsure whether mantle earthquakes existed. Now they have a global map of this mysterious phenomenon.

The Pacific Ring of Fire, encircling the Pacific Ocean, accounts for approximately 90% of the world’s earthquakes, with 81% ...

A new 3D subsurface model shows how variations in rock strength beneath the Marmara Sea could trigger future large earthquakes along the North Anatolian Fault. The findings improve understanding of ...

New research shows that a fragile clay layer beneath the Japan Trench played a key role in the extreme seafloor movement ...

Stanford researchers have created the first-ever global map of a rare earthquake type that occurs not in Earth's crust but in ...

Two earthquakes of magnitudes 5.6, and 4.9 (as measured on the Richter scale) struck Indonesia on Friday, according to initial seismic data received.

A magnitude 4.7 earthquake struck early Wednesday off the southern coast of Mexico, according to the U.S. Geological Survey (USGS). There were no immediate reports of damage or injuries, according to ...

Forecasting earthquakes presents a serious challenge on land, but in the oceans that cover around 70% of Earth's surface it is all but impossible. However, the vast network of undersea cables that ...

The jolt of seismic activity Monday was among the busiest of a swarm that began nearly 3 months ago. Until the quake Friday, an earthquake swarm that began Nov. 9 around San Ramon had delivered 91 ...