A swarm of about 28 tectonic earthquakes beneath the northeast side of Mauna Kea, in the Hāmākua region, was detected yesterday.

The USGS Hawaiian Volcano Observatory detected a swarm of about 28 tectonic earthquakes beneath the northeast side of Maunakea, in the Hāmākua region between 2 and 10 p.m. on Thursday, March 26, 2026.

A strong earthquake struck the waters northeast of Tonga on March 22, 2026, registering at a shallow depth that placed it ...

Mount Shasta presents a unique challenge that most other active volcanoes don't for USGS scientists. The only place to sample ...

A U.S. Geological Survey system glitch triggered multiple false earthquake alerts across Northern California late Monday.

The USGS says a strong preliminary magnitude 7.6 earthquake struck near Tonga in the South Pacific Ocean on Tuesday.

Tonga earthquake today: The Pacific Tsunami Warning Center (PTWC) said there was no Tsunami alert as the earthquake was too ...

More than 700 witness reports have been filed with the USGS.

Cuba had just started to restore electricity following a total power blackout earlier on Monday, as the United States pursues its oil blockade against the island's communist government.

USGS released its most detailed national geologic map, offering layered views of geology beneath the Earth’s surface across the lower 48 states. The Cooperative National Geologic Map integrates data ...