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

A 1997 U.S. Geological Survey study found that many sinkholes in the Hurricane area result from groundwater erosion causing ...

The Greek island of Santorini was struck by the latest in a string of earthquakes Tuesday, this time a 4.8 temblor. The ...

The strongest was a 3.4 magnitude quake that struck near San Bernardino, with more than 500 people feeling the quake.

MISSOULA — The U.S. Geological Survey (USGS) reports a 3.3 magnitude earthquake hit in the area of Lookout Pass on Monday ...

A major, 7.6-magnitude earthquake struck in the Caribbean Sea on Saturday and triggered a tsunami advisory in Puerto Rico and ...

Area 51 was rocked by an earthquake, sparking speculations of what might be happening underground at the top-secret facility.

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 ...

A magnitude 4.5 earthquake has rattled southern Texas in the vicinity of San Antonio, the U.S. Geological Survey (USGS) ...

PARK CITY, Utah (AP) — With the 2025 Sundance Film Festival ... Sundance leaders say the festival has outgrown the ski town it helped put on the map decades ago, and they worry it has developed ...

AUSTIN (KXAN) — Texans near San Antonio experienced a 4.5 earthquake on Wednesday night, according to the United States Geological Survey. USGC said the earthquake occurred at 9:26 p.m. The government ...