News

Many messages to AskHVO (askHVO@usgs.gov) request resources relating to geologic maps and geographic information systems (GIS) data. "Is there a map...

Mauna Loa summit shadow

Have you ever tried to keep track of all the pieces while playing 3-dimensional chess? Imagine if the 4th dimension—time—was included, and the goal...

This week, many of us read news coverage of a recent study suggesting that unusually heavy rainfall triggered the 2018 eruption of Kīlauea. To address...

Continued slow rise of water in Halema‘uma‘u

Two pretty good-sized earthquakes shook the western U.S. in March, a M5.7 in Utah and a M6.5 in Idaho. These quakes not only shook up the people...

Mount St. Helens was exploding! The first eruption in the Cascades since 1914–1917 (Lassen Peak) started on March 27, 1980. April became a frenzied...

Changes in color at Kīlauea's summit water pond are common

With heavy heart, the USGS Hawaiian Volcano Observatory (HVO) bids aloha to Janet Babb, outreach geologist and educator extraordinaire who retired...

No significant changes at Kīlauea summit