A minor, 3.6-magnitude earthquake struck in Southern California on Thursday, according to the United States Geological Survey. The temblor happened at 5:16 p.m. Pacific time about 3 miles west of ...

The Concord Fault in the Bay Area is not where scientists thought. A new 4.4-mile segment is shifting under homes, prompting plans for an Earthquake Fault Zone. The fault could cause earthquakes as ...

The fault has moved the curbs as much as a handspan, around 18 centimeters, since the time they were installed, up to 60 ...

Officials are tracking the largest swarm of earthquakes in more than 15 years at Mount Rainier in Washington. But they say there is no indication the cluster of quakes is cause for concern. The ...

The focal mechanism provides seismological constraints on the geological faults that generate the earthquakes and thus is important for regional seismotectonic research. Focal mechanism calculation ...

A previously unknown stretch, or strand, of the fault is actively moving about a tenth of an inch per year as it runs beneath residential neighborhoods in the Ygnacio Valley. "Many of the ...

FIGURE 2. Geologic map of the Arabian Shield showing the major geologic terranes and their boundaries, Najd fault system, and sedimentary basins (modified after Al-Amri et al., 2004) and the seismic ...