News

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

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) recorded a magnitude-4.1 earthquakelocated beneath Kīlauea Volcano's south flank on...

Scattered breakouts northeast of Pu‘u ‘Ō‘ō

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.

A nuée ardente is a turbulent, fast moving cloud of hot gas and ash erupted from a volcano. 

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...

Scattered breakouts northeast of Pu‘u ‘Ō‘ō; clear views in Pu‘u ‘Ō‘ō Crater

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