Volcano Watch

Early last week, C. Barry Raleigh, Dean of the School of Ocean and Earth Science and Technology at the University of Hawaii, Manoa, announced that the...

While scientists in Hawaii have been investigating the recent activity of Lō‘ihi Volcano beneath 3000 ft of seawater, in Iceland they're watching an...

USGS geologist Tina Neal reports from HVO's sister observatory in Anchorage (AVO) that Pavlof, the recently awakened volcano at the tip of Alaska...

Scientists from the University of Hawai`i at Manoa are once again engaged in a research cruise over Lo`ihi, the submarine volcano southeast of the...

The U.S. Geological Survey's Volcano Hazards Program funds the operations of three volcano observatories in the United States. They are the Hawaiian...

The current Kīlauea East Rift Zone eruption, which began in January 1983, continues without significant changes. 

The primary mission of the Hawaiian Volcano Observatory (HVO) is to evaluate earthquake and volcanic hazards and provide timely information to the...

Lava flows can travel long distances if they develop insulating conduits for transporting fresh molten lava to the flowfront. These conduits are, of...

In a double handful of molten magma (weighing about a pound), there is less than a tenth of an ounce, by weight, of dissolved gas—roughly the same...

Floating hydrophones and sonobuoys recorded the crackling and grinding noises that are often indicative of an ongoing submarine eruption, but the...