Previous reports from the USGS have noted the danger posed by the Hayward fault. Though less of a household name than the San Andreas fault, the Hayward fault poses a significant risk, the agency ...

According to the United States Geological Survey (USGS), the quake struck at approximately 5:03 a.m. PST near the city of Hayward ... occurred along the San Andreas Fault. That second quake ...

Interactive map from the California Geological Survey shows the destruction potential of a tsunami wave in the Golden State.

The largest of the bunch, a 3.7 magnitude earthquake, struck shortly before 2 p.m. just east of Hayward ... the Paicines and San Andreas, could see some action. One concern on the East Bay fault ...

A USGS map shows where in California 2.5 magnitude (or greater) earthquakes were recorded in the last seven days—the San Andreas Fault is represented as a thick red line. A USGS map shows where ...

Previous reports from the USGS have noted the danger posed by the Hayward fault. Though less of a household name than the San Andreas fault, the Hayward fault poses a significant risk, the agency said ...