A series of small earthquakes shook the San Francisco Bay Area on Thursday, according to the United States Geological Survey.

Scientists using seismic data tracked groundwater levels beneath the L.A. area. They found heavy rains in 2023 boosted ...

NASA scientists used satellite measurements to map out local subsidence and uplift across the Golden State, which plays into ...

California is riddled with a number of fault lines that frequently cause earthquakes, including Arrowhead, Waterman Canyon, ...