A second strong earthquake struck the Coachella Valley this week, worrying residents about a possible stronger quake in the future.

Along the remote coast where the San Andreas Fault meets the Cascadia subduction zone, earthquakes too small for humans to feel are sketching out a hidden map of danger. By tracking these tiny tremors ...

A hidden shard of ancient crust has been detected where California’s San Andreas system collides with the Cascadia subduction zone, reshaping how I understand the tectonic engine of the West Coast.

A hidden chunk of an ancient tectonic plate is stuck to the Pacific Ocean floor and sliding under North America, complicating earthquake risk at the Cascadia subduction zone. When you purchase through ...

After yet another notably sized earthquake struck near Indio overnight, following two days of seismic activity, renowned seismologist Dr. Lucy Jones says that even more temblors could hit the area due ...