Shallow tremors can indicate magma movement or changes in geothermal systems, sometimes serving as early warnings of ...

Experts say aftershocks are common after an earthquake and they may also be a positive signal indicating the release of built ...

Slow-motion earthquakes, as you might guess from the name, involve the release of pent-up geological energy over the course ...

Seafloor sensors caught a rare slow quake in action. It hints at how Earth's stress is quietly released. For the first time, ...

A new kind of earthquake has been detected in western Canada, one that shakes the ground slower and longer than typical ...

Two slow-motion earthquakes took several weeks to travel 20 miles along the fault. Each happened in places where geologic ...

New evidence suggests current estimates about tsunami size and how quickly waves make it to shore may be too high and too ...

Subduction zones, where one tectonic plate dives underneath another, drive the world’s most devastating earthquakes and tsunamis. How do these danger zones come to be? A study in Geology presents ...

Impact: The 1933 earthquake was Southern California’s deadliest in the modern record, leaving nearly 120 dead and causing $40 million in property damage. In the past, this fault has started ...

The U.S. Geological Survey said it and other agencies were monitoring the situation and would issue additional alerts "as ...