— 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, ...
SAN BERNARDINO COUNTY, CA - the U.S. Geological Survey reported that a 2.6 magnitude quake rattled near Big Bear City Sunday morning. The tremor, which struck the area at 6:20 a.m., was centered ...
The Indonesian coast was struck by four earthquakes over the past 24 hours, according to the United States Geological Survey (USGS).