On Monday morning, around 30 minor earthquakes erupted in a swarm near the Geysers geothermal field south of Clear Lake. The day before, seven quakes rattled Sonoma County, including a 4.0 quake. The recent uptick isn’t out of the ordinary, according to U.S. Geological Survey seismologist Susan Hough.

Expert urges quake preparedness for Karachi, says city sits near three-plate junction and multiple fault lines

A rare, ultra-long earthquake in Myanmar revealed that mature faults can deliver their full force directly to the surface. The discovery could mean stronger shaking near faults like California’s San Andreas than current models predict.

Officials at the United States Geological Survey have tracked over 300 earthquakes beneath Washington State's Mt Rainier from July 8-10. A popular tourist destination, Mt Rainier is also an active volcano, closely watched by experts. On average, the area ...

Japan’s weather agency has warned that another large-scale earthquake could follow the 7.5-magnitude tremor which hit the country on Monday.The earthquake has left at least 33 people injured and led to tsunami warnings,

California's seismic risk is increasing with supershear earthquakes, which are faster and more destructive than typical earthquakes.

Greek authorities declared a state of emergency on a second Greek island on Wednesday, as thousands of earthquakes continue to affect the southeastern Aegean Sea region. The emergency was called for the island of Amorgos, a week after a state of emergency ...

Japan has recorded a series of powerful aftershocks in the past several hours, including a magnitude 5.7 earthquake near the east coast of Honshu and a 4.9 earthquake in the Hokkaido region shortly after.

Japan woke up to renewed anxiety after a strong offshore earthquake rattled its northern regions, once again reminding the country of its fragile relationship with nature. The latest tremor, felt along the coasts of Aomori and Hokkaido,