News

As part of our monitoring of subsurface activity at Mauna Loa, we recently conducted a series of measurements of the force of gravity at various...

USGS Hawaiian Volcano Observatory scientists extract as much insight as possible from historic accounts of eruptions, and then combine that...

The recent high lava lake levels at Kīlauea Volcano have caught the attention of visitors and kama‘aina alike. But we shouldn't forget that unrest at...

Over the past week, lava has risen within the Halema‘uma‘u Overlook crater (active vent at the summit of Kīlauea) and overflowed onto the floor of the...

On April 30, 2015, the National Oceanic and Atmospheric Administration (NOAA) and the American Chemical Society will commemorate Earth's pre-eminent...

With the recent downgrade of the Volcano Alert Level for Kīlauea's June 27th lava flow that has been threatening the Pāhoa area, it's interesting to...

Over the past few months, Mauna Loa, Hawai‘i Island's largest volcano, has shown subtle signs of stirring from its 31-year-long slumber (its most...

One of the more spectacular geologic features on the Island of Hawai‘i can easily be seen from Highway 11 near South Point. It is a cliff, informally...

Much scientific study has been done to determine what types of eruptions produce long lava flows. In the 1970s, a very simple idea seemed to guide...

Volcanoes are prominent in the news lately with new eruptions near Barbardunga volcano in Iceland and Tavurvur volcano in Rabaul, Papua New Guinea, as...