Scientists found that earthquake damage extends up to 60 miles from major faults, weakening rock and accelerating erosion.

The USGS Hawaiian Volcano Observatory detected an increase in shallow seismicity and localized ground deformation beneath the south rim of Halema‘uma‘u crater, in Kilauea summit’s south caldera region ...

Puerto Rico experienced several days of shaky ground, as much as five events in a single day, according to U.S. Geological ...

The magnitude of an earthquake depends on how far a rupture travels along a fault line before it stops. For the first time, we have now directly observed how a large earthquake comes to a halt. By ...