Plate tectonics loads a fault over centuries, but something else usually decides the moment it finally breaks. New research on California seismicity shows that groundwater cycles, stress from ...

Although earthquakes in Peru are mainly linked to its location in the so-called "Pacific Ring of Fire," where 85% of the ...

A series of powerful earthquakes in Venezuela and Colombia, along with recent seismic events in Peru and Chile, has raised concern over whether South America is entering a period of unusually intense ...

Cajon Pass is more than a busy mountain gateway. Its complex geology could help reshape the next major earthquake’s reach and intensity.

Add Yahoo as a preferred source to see more of our stories on Google. An unassuming, brownish stone may be one of the most precious objects on Earth. The rare rock, called Teghaza 001, is a piece of ...