News

Geodesy is the science of accurately measuring and understanding the Earth's geometric shape, gravity field, and orientation in space—and how these...

No significant changes at Kīlauea's summit water lake

Scientists of all disciplines talk about models—models of how a virus works, or the universe formed, or the structure of an atom.  Models can also...

Driving Highway 11 from Volcano to Wai‘ōhinu on sunny, vog-free days, it's hard to miss that bright white soccer ball on the slope of Mauna Loa above...

It’s a common misconception that all geysers and hot springs in Yellowstone are acidic.  Some are, but the water that comes out of many of Yellowstone...

On July 4, 2018, an observer at the Volcano House Hotel was watching the evolving collapse of Halema‘uma‘u Crater, 4 km (2.5 miles) away. Suddenly he...

Volcanologists have a variety of ways of measuring present-day gas emissions from volcanoes.  But what about gas emissions that happened in years past...

Field crews set up temporary gas monitoring sensors and sample hot springs and seeps, soils, and areas where sulfur smells were reported. Preliminary...

Rainbow over Halema‘uma‘u and the water lake

The recent first anniversary of the appearance of water at Kīlauea's summit is a reminder of how much has changed since the end of the 2018 eruption...