Imagine a scenario where the Pacific Northwest gets pummeled by a magnitude nine earthquake, only to have California's most ...

Large subduction-zone earthquakes leave scars on the continental slope in the deep sea.

Northern California’s coast keeps you on alert, even on quiet days. Offshore, three tectonic plates meet near Humboldt County ...

Scientists are uncovering a hidden and surprisingly complex earthquake zone beneath Northern California by tracking swarms of ...

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

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

Our planet's lithosphere is broken into several tectonic plates. Their configuration is ever-shifting, as supercontinents are assembled and broken up, and oceans form, grow, and then start to close in ...

This study is led by Prof. Zhong-Hai Li (University of Chinese Academy of Sciences). The present solid Earth is actually active, with new plates generating in the mid-ocean ridges and some old plates ...