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

New research uncovers a surprising clue in earthquake forecasting: tiny curved scratches on fault planes. These marks reveal ...

according to USGS maps. Three smaller quakes followed throughout the night, the last (3.0 or stronger) reverberating at 1:22 ...

Languages: English. Earthquakes are not uncommon in California and vary in magnitude, from quakes so small that no one feels their shaking to natural disasters. When a quake strikes, there's often ...