News

Views of Kīlauea caldera

Lava flows, Pu‘u Pohaku‘ohanalei cone, Moku‘āweoweo's North Pit, Sulphur Cone area, and a video of Mauna Loa's summit caldera.

Ocean entry inactive; breakouts continue on delta and coastal plain

Scientists at the USGS Hawaiian Volcano Observatory routinely collect lava samples from Kīlauea and use the chemistry of these samples to infer the...

What exactly do volcano threat rankings mean?

Activity at Pu‘u ‘Ō‘ō and on the 61g flow

Lava flows from Mauna Loa volcano, on the Island of HAWAII, constitute a significant hazard to people and property. This report addresses those lava...

Lava breakouts continue on the coastal plain and on the delta

Using detailed geologic mapping and modeling of how a fluid (in this case, lava) responds to surface topography, USGS-HVO constructed nine maps...

The U.S. Geological Survey has produced a documentary, "Kīlauea Summit Eruption–Lava Returns to Halema‘uma‘u," to tell the story of the eruption, and...