News

A new fact sheet on Mauna Loa titled "Mauna Loa—History, Hazards, and Risk of Living With the World’s Largest Volcano" is now available. This week's...

Aerial views of Halema‘uma‘u 'overlook' vent lava lake.

Lava lake in Halema‘uma‘u overlook vent at high level.

A hazards assessment for Lassen Volcanic Center, California, is now available for download from the USGS Publications Warehouse.

In mid-October, U.S. Geological Survey volcanologists and geophysicists plan to conduct the first comprehensive, high-resolution airborne magnetic...

On trade wind days, which prevail much of the year, visitors to Kīlauea's summit are greeted by the majestic sight of a towering eruption plume that...

Videos of lava lake in Halema‘uma‘u overlook vent.

Active flows in the upper portion of Royal Gardens subdivision.

Recently, Hawaiian Volcano Observatory scientists have been asked if Hawai‘i Island's geothermal development causes subsidence of the ground surface...

It seems logical that if underground magma can start an eruption by forcing its way to the surface, one might also start an eruption by opening a...