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Maps showing volcanic hazard zones for the Big Island were first prepared in 1974 by the U.S. Geological Survey.

The Hawaiian Volcano Observatory is located on the northwest rim of Kīlauea caldera adjacent to the Jagger Museum. Because of its location within...

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

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.

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...

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...