A hidden chunk of an ancient tectonic plate is stuck to the Pacific Ocean floor and sliding under North America, complicating ...

Seismic tremors reveal a shallow fragment of ancient tectonic plate beneath Northern California, helping explain damaging ...

Memorizing seven continents feels settled, like learning the alphabet. A new study argues the ground rules are less tidy.

Tiny earthquakes have revealed potentially deadly hidden faults beneath California. By tracking swarms of very small tremors, ...

By tracking swarms of very small earthquakes, seismologists are getting a new picture of the complex region where the San ...

One of the worst earthquakes in European history ripped through Portugal in 1755, causing a tsunami, fires and shaking that killed tens of thousands of people and caused widespread destruction.

Seismologists have discovered hidden faults at the Mendocino Triple Junction by tracking tiny earthquakes using a new ...

On August 16, 2012, residents of the tiny Dutch village of Huizinge were rattled by an inexplicably large 3.6 magnitude earthquake. Gas extraction in the nearby Groningen gas field, one of the largest ...

Rock rheology governs the deformation of rocks in reaction to forces within the Earth's interior. Rheology is the scientific ...