News

A few weeks ago, several members of the Hawaiian Volcano Observatory staff presented information about volcanic hazards on Hawaii to the Hawaiian...

Friday, March 25, marked the tenth anniversary of the last eruption of Mauna Loa Volcano. The 1984 eruption followed a nine-year period of quiescence...

All of the events that we experience at Kīlauea—eruptions at the summit and on the rift zones, intrusions of magma that don't reach the surface...

Ten years ago on November 16, residents of Hawai`i were awakened by an earthquake at 6:13 a.m. The earthquake had a magnitude of 6.6 and was located...

The Hawaiian Islands form the young end of a chain of more than 125 volcanoes that stretch over 3,720 miles across the north Pacific Ocean.

Hawaiian volcanoes pass through a sequence of eruptive stages as they grow. There are three main types of lavas in Hawai`i which erupt during the...

Geologic mapping has come a long way since the first map accurately showing the locations of lava flows on the Island of Hawai`i was published by...

In a double handful of molten magma (weighing about a pound), there is less than a tenth of an ounce, by weight, of dissolved gas - roughly the same...

The Center for the Study of Active Volcanoes at the University of Hawai`i in Hilo and the U.S. Geological Survey's Hawaiian Volcano Observatory...

The Center for the Study of Active Volcanoes at the University of Hawai`i at Hilo and the U.S. Geological Survey's Hawaiian Volcano Observatory...