A 2023 astronaut photo shows off an unusual cranium-like structure appearing to stare up into space from the floor of a large ...

SEATTLE (AP) — Officials are tracking the largest swarm of earthquakes in more than 15 years on Washington's Mount Rainier but say there is no indication that the cluster of quakes is cause for ...

Myers was recognized by the Geological Society of America for her extensive contributions to the field of volcanology, with a ...

A new study used earthquake waves to peer under the Cascade Range, revealing persistent pockets of magma beneath several quiet peaks. These pockets are not full lakes of magma, but zones of partial ...

Episode 34 of the ongoing Halemaumau eruption wrapped up abruptly just after 7 a.m. today, only six hours after fountains first roared to life inside Kilauea’s summit crater. The U.S. Geological ...

CASCADES VOLCANO OBSERVATORY — 'First, Mt. Saint Helens is NOT erupting.' That was the message from the National Weather Service office in Portland this morning. NWS says volcanic ash from when Mt. St ...

Dick Fiske, who died on June 18 as he neared his 93rd birthday, was one of the most original thinkers ever at the USGS Hawaiian Volcano Observatory. His ideas, interpretations, and concepts underlie ...

Hawaii’s Kilauea volcano resumed erupting Friday by shooting an arc of lava 100 feet into the air and across a section of its summit crater floor. It was Kilauea’s 31st display of molten rock since ...

Alaska’s volcano experts no longer expect an eruption anytime soon from Mount Spurr, the closest active volcano to Anchorage. On Wednesday, the Alaska Volcano Observatory formally lowered the alert ...

During a summer where local earthquake swarms beneath Mt. Rainier put Cascadian volcanoes back in the news and at the forefront of people’s minds, the young scientific minds of GeoGirls made their way ...

ANCHORAGE, Alaska (AP) — Officials lowered the alert level for a volcano near Alaska’s largest city to normal Wednesday, which they said indicates that Mount Spurr is “quiet” months after showing ...