News

A new fact sheet on Mauna Loa titled "Mauna Loa—History, Hazards, and Risk of Living With the World’s Largest Volcano" is now available. This week's...

On trade wind days, which prevail much of the year, visitors to Kīlauea's summit are greeted by the majestic sight of a towering eruption plume that...

Recently, Hawaiian Volcano Observatory scientists have been asked if Hawai‘i Island's geothermal development causes subsidence of the ground surface...

It seems logical that if underground magma can start an eruption by forcing its way to the surface, one might also start an eruption by opening a...

On September 24, 1971, Kīlauea’s southwest rift zone erupted for the first time in 52 years.

As days get shorter and nights cooler, we look to the summits of majestic Mauna Kea after rainstorms to see whether there might be a cap of pure white...

The relatively small explosive eruption of Iceland's Eyjafjallajökull volcano more than two years ago focused attention on the hazards of volcanic ash...

In late August, volcano scientists from around the world gathered in Waikōloa, Hawai‘i, and shared what they have learned about how Hawaiian volcanoes...

The Hawaiian Volcano Observatory has monitored, studied, and served as an information source about Hawaiian volcanism for the past 100 years.

In 1987, to commemorate the 75th anniversary of the founding of the Hawaiian Volcano Observatory (HVO), over 400 Earth scientists from around the...