Many of the state's largest earthquakes have struck near the junction, where the Pacific, North American and Gorda plates ...

Scientists discover ultra-weak faults near the 7.2 magnitude earthquake in Haiti that continued to slip for weeks.

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

Three of the great tectonic plates that make up the Earth’s crust meet at the Mendocino Triple Junction, off the Humboldt ...

Tremors beneath Northern California show hidden plate movement, helping scientists better understand where future big ...

When an ancient and smooth seismic fault releases all its energy at once, the consequences are spectacular. The magnitude 7.7 ...

When the biggest earthquake in more than a decade rattled Russia’s remote Kamchatka Peninsula in July, seismologists around the world knew within moments. For earthquakes big or small, sensors around ...

The quake, which struck near the Alaska-Yukon border on Dec. 6, has helped geologists confirm a decades-old hypothesis: it’s ...

Just off the coast of the Pacific Northwest is the Cascadia Subduction Zone, a complex collection of earthquake faults created by one tectonic plate pushing its way under another. Every 400-600 years, ...

At the Cascadia subduction zone in the Pacific Northwest, one tectonic plate is moving underneath another. New experimental work at UC Davis shows how rocks on faults deep in the Earth can cement ...

On Friday morning, San Ramon experienced a series of minor earthquakes, igniting concern and curiosity among residents. This article will explore the details of the ...

Dozens of small earthquakes have shaken the San Francisco Bay Area over the last month, rattling nerves and raising fears that more seismic events may be on the horizon. The clusters of earthquakes — ...