Activity more than location affects perception of quakes
Scientists rely on the public's reporting of ground shaking to characterize the intensity of ground motion produced by an earthquake. How accurate and reliable are those perceptions?
Depth, distance reduce impact of California quake
One of the largest earthquakes to hit California in decades rattled the state's northern coast, but its depth and distance from shore reduced the impact on land, where there were no reports of injuries or damage, scientists ...