News

It’s hard to believe that the “Volcano Watch” weekly article and volcano activity update started 30 years ago. On November 3, 1991, the USGS Hawaiian...

A new eruption at Kīlauea's summit began at approximately 3:20 p.m. HST on September 29, 2021. Lava activity is currently confined within Halema‘uma‘u...

A new eruption at Kīlauea's summit began at approximately 3:20 p.m. HST on September 29, 2021. Lava activity is currently confined within Halema‘uma‘u...

You are invited to a public lecture on busting the top 10 misconceptions about Yellowstone volcanism.

A new eruption at Kīlauea's summit began at approximately 3:20 p.m. HST on September 29, 2021. Lava activity is currently confined within Halema'uma'u...

A new eruption at Kīlauea's summit began at approximately 3:20 p.m. HST on September 29, 2021. Lava activity is currently confined within Halema'uma'u...

Many of Yellowstone’s hot springs, geysers, mud pots, and fumaroles look different depending on the season, year, or sometimes even the day one visits...

A new eruption at Kīlauea's summit began at approximately 3:20 p.m. HST on September 29, 2021. Lava activity is currently confined within Halema'uma'u...

Olivine crystals—the beautiful green mineral common in Hawaiian lavas—record when and where magmas move inside Hawaiian volcanoes before they erupt...

About 631,000 years ago, a massive eruption formed what today is known as Yellowstone Caldera. New deposits, discovered within the caldera, are...