News

Today, HVO scientists measured concentrations greater than 10 ppm in a broad area adjacent to Halema‘uma‘u crater. Sulfur Dioxide gas is persistently...

The intrusion of magma that was signaled by a swarm of earthquakes and rift zone widening over the last two days has finally made it to the surface. 

About 70 shallow earthquakes in 2 hours occurred beneath the upper east rift zone of Kīlauea early this morning.

One of the most fascinating things about living on, or visiting, the Big Island is our proximity to active volcanoes and the wide variety of...

Collapse and refilling of Pu‘u ‘Ō‘ō crater.

In the mid-19th century, Kona chief Kanuha told French explorer Jules Remy the story of Keli`ikuku, an ancient high chief of Puna.

A few weeks ago, each of the local newspapers carried a story about a study, released in the journal Science, predicting that the next Mauna Loa...

A new geologic map of the State of Hawai`i became publicly available this week. The publication is free online as U.S. Geological Survey Open-File...

A magnitude-4.7 earthquake was recorded by the U.S. Geological Survey's Hawaiian Volcano Observatory on May 24, 2007 at 9:13 a.m. HST.

Several Volcano Watch articles during the past few years described Kīlauea's explosive eruptions, their surprising frequency, and the large size of...