A hidden shard of ancient crust has been detected where California’s San Andreas system collides with the Cascadia subduction ...

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

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

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

In 2021, geologists animated a video that shows how Earth's tectonic plates moved over the last billion years. The plates move together and apart at the speed of fingernail growth, and the video ...

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

From time to time, when Earth's tectonic plates shift, the planet emits a long, slow belch of carbon dioxide. In a new modeling study published in Geochemistry, Geophysics, Geosystems, R. Dietmar ...

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