— James Webb, Mineral Point, Wis. A Chuck DeMets, professor of geophysics at the University of Wisconsin-Madison: Most earthquakes occur when a geological fault, a fracture within the Earth’s crust, ...

Earthquakes may be unpredictable, but their impacts are not entirely mysterious. New modeling techniques are offering a clearer view beneath the surface.

CONTRA COSTA COUNTY, CA - at midday on Wednesday, a 3.0 magnitude quake was registered near Dublin, according to the U.S.