News

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...

Active flows in the upper portion of Royal Gardens subdivision.

On September 24, 1971, Kīlauea’s southwest rift zone erupted for the first time in 52 years.

Lava pond still active in Pu‘u ‘Ō‘ō crater.