Geologist Robert Yeats, author of 'Earthquake Time Bombs', has highlighted the risks associated with the presence of several large US cities in the Pacific Northwest's Cascadia subduction zone.

A 5.2-magnitude earthquake shook Southern California on Monday, April 14, the U.S. Geological Survey reported. The ...

Southern California has been jolted by a strong earthquake near San Diego. The U.S. Geological Survey says Monday morning's earthquake had a preliminary magnitude of 5.2 and was near the mountain town ...