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Topographic mapping has been a key component of volcano monitoring for decades, helping scientists to study morphologic changes and predict the paths...

Kīlauea is one of the most active volcanoes in the world with eruptions common both at its summit caldera and within its two rift zones. Frequent...

We asked CVO scientists what volcanoes smell like; here is what they said.

Volcanic hazards can be awe-inspiring displays of the Earth’s power, but each has the potential to threaten lives and infrastructure, as well as...

A new Kīlauea eruption began in a remote area of Hawaiʻi Volcanoes National Park on Sunday, September 15, 2024. This is the first eruption on Kīlauea...

Since July 2024 activity, at Kīlauea has been punctuated by two periods of intense unrest, centered on the upper East Rift Zone (ERZ). The periods...

"An avalanche of mud...covering the countryside like a tidal wave."

Photography has been a crucial part of volcano monitoring in Hawaii going back to the start of the USGS Hawaiian Volcano Observatory (HVO). In 1911...

Just as people have many ways to describe the world around them, scientists can also come up with multiple words for similar things. Take "ignimbrite"...

Last month, the Hawaiʻi County Civil Defense Agency, Hawaiʻi Volcanoes National Park, and the U.S. Geological Survey (USGS) Hawaiian Volcano...