News

Before there was a California Volcano Observatory or even a Long Valley Observatory, a tiny cabin in northern California housed the first full-time...

Here in Hawaii nei, we don’t have the dramatically changing leaf colors and brisk temperatures that mark the arrival of Fall. And as October arrived...

Kīlauea’s recent summit eruptions and lava lakes are exciting for residents, visitors, and scientists. However, Kīlauea has had numerous explosive...

It’s 3 a.m. and you’re halfway through a 12-6 a.m. graveyard shift at the NOAA Pacific Tsunami Warning Center (PTWC) in Honolulu, Hawaii. 

Talking about calderas means venturing into superlatives - huge volumes of magma and topographic changes on a regional, even state-sized scale. But...

Several vents continue to erupt on the western side of the downdropped block within Kīlauea's summit caldera and are generating lava flows onto Halema...

Kīlauea is now erupting at the summit for the fifth time since 2020! The ongoing eruption offers an opportunity for Hawaiian Volcano Observatory (HVO)...

If you ever have the chance to visit the silica-rich Hot Creek rhyolite lava flow in the Long Valley Caldera, you might get the sense that you're...

The Kīlauea summit eruption that began yesterday at 3:15 p.m., September 10th, continues this morning. Eruptive activity is confined to the...

Kīlauea volcano is erupting. At approximately 3:15 p.m. HST on September 10, 2023, the USGS Hawaiian Volcano Observatory observed eruptive activity in...