By 6 a.m., lava fountains from the north vent peaked at 800 to 1,000 feet, before settling to oscillate around 328 to 492 ...

The May 18, 1980, eruption of Mount St. Helens in southern Washington claimed 57 lives and blasted the terrain of old-growth ...

The Mount St. Helens eruption anniversary prompts investigation into the California earthquakes: eruption history, threat ...

The science of volcanic eruption prediction is being changed by NASA satellites in observing Earth. Early warning signals of ...

Pele provided an Aloha Friday show at Kīlauea on May 16, with the 22 episode of the eruption beginning shortly before 5:15 ...

The 1980 Mount St. Helens eruption began with a steady series of earthquakes in March. By April it began spewing smoke, ...

Lava fountains and flows erupted primarily from the north vent, and the south vent was largely obscured by the north vent ...

The 45th anniversary of the catastrophic eruption of Mount St. Helens is on May 18. Here's what to know and when the volcano might erupt again.

Eruptive activity at Kīlauea’s summit began again Dec. 23, 2024, with the first in what has become 20 discrete lava ...

California has seven active volcanoes, each with a unique eruption history, categorized by type and threat level. The USGS monitors these volcanoes, providing information to authorities and the ...