News

Mauna Loa, the largest active volcano on Earth, is not erupting, but is stirring. Seismicity remains elevated above long-term background levels, and...

The U.S. Geological Survey’s Hawaiian Volcano Observatory is excited to welcome geophysicist Brian Shiro to its team!

In previous Volcano Watch articles, we addressed the origin of the Nīnole Hills on the southeastern flank of Mauna Loa. These hills are a prominent...

The first few months of 2016 have brought a range of wind and weather conditions to the Island of Hawai‘i.

The ongoing eruption at Kīlauea Volcano's summit began on March 19, 2008. Since that time, Island of Hawai‘i residents have had to cope with the...

USGS Hawaiian Volcano Observatory geologist Don Swanson was recently named as the recipient of two prestigious awards.

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.