Invisible earthquakes are revealing a hidden tectonic puzzle beneath California’s most dangerous fault zone.

The West Coast of North America is a geologically tumultuous zone where tectonic plates collide, subducting under and scraping past one another. Over the eons, this activity has regularly caused major ...

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

Along the remote coast where the San Andreas Fault meets the Cascadia subduction zone, earthquakes too small for humans to ...

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

NORFOLK, Va. — Fault lines are fractures or breaks in the Earth's crust where tectonic plates move past each other, often resulting in earthquakes. These geological features are classified into three ...

Earthquakes have long been associated with fault lines, jagged edges where tectonic plates meet and collide. Several studies explain how these seismic activities are not limited to these boundaries.

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

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. For 750 miles, the San Andreas fault cuts a scar up and down the ...

Over here in the Midwest, we're much more familiar with tornadoes, floods, freezes and other severe weather incidents. Earthquakes remain an afterthought — but they're not impossible. According to the ...