Volcano Watch

Despite not being in the headlines, Mauna Loa continues to be in a state of unrest based on seismic and deformation monitoring data.

On Friday, February 12, at 9:23 a.m., HST, a magnitude-4.1 earthquake occurred beneath Kīlauea Volcano's south flank.

In recent weeks, the USGS Hawaiian Volcano Observatory (HVO) has received a number of calls from local residents saying essentially: "Hey, is...

In 1880–1881, a lava flow from Mauna Loa came very close to entering Hilo Bay.

As the 2016 Volcano Awareness Month comes to an end, so too does our series of "Volcano Watch" articles exploring the geology of the Hawaiian Islands...

As part of Volcano Awareness Month, our January "Volcano Watch" articles are taking us on a geologic tour of the Hawaiian Islands. Today's stop: Maui...

January is Volcano Awareness Month, during which our "Volcano Watch" articles are exploring the geology of the Hawaiian Islands. The series continues...

Welcome to the 7th annual Volcano Awareness Month on the Island of Hawai‘i!

What do actor Mel Gibson, football quarterback Eli Manning, and Kīlauea Volcano's ongoing East Rift Zone eruption at Pu‘u ‘Ō‘ō have in common? They...

Last week, nearly 24,000 scientists from the U.S. and abroad met in San Francisco for the American Geophysical Union's 2015 Fall Meeting, the largest...