Two earthquakes rocked California today, one after another, and though they were small, they definitely rattled nerves and ...

Ten months of unrest at Mount Spurr could be a sign of an upcoming eruption from a side vent or, less likely, from the main ...

The surface of Earth's inner core appears to be dynamic, changing shape as it rotates, earthquake waves reveal.

Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

Residents on the popular island of Santorini have experienced thousands of earthquakes this month while researchers have ...

Greece's government has just declared a state of emergency on the island of Santorini, as earthquakes shake the island ...

Cayman Islands earthquake: a 4.3 magnitude tremor that tested local emergency systems and led to improved disaster ...

ATHENS, Greece -- Multiple earthquakes are rattling Santorini, a volcanic island in Greece, prompting authorities to dispatch rescuers with tents, a sniffer dog and drones, and to shut schools on four ...

Land topography is usually formed gradually over long periods of time, but sometimes a single event can dramatically change ...

The Greek island of Santorini has captured global attention, having been shaken by a severe series of earthquakes since last ...