The production of maps to track the progress of ongoing eruptions has long been part of the USGS Hawaiian Volcano Observatory mission to inform the public about volcanic hazards in Hawaii. The methods ...

As the Maunaulu eruption waned, Kilauea summit inflated and two brief eruptions occurred in the latter half of 1971 — one in ...

Last month, the Hawai‘i County Civil Defense Agency, Hawai‘i Volcanoes National Park, and the U.S. Geological Survey Hawaiian Volcano Observatory adopted the Island of Hawai‘i Interagency Operations ...

Mauna Loa, the world's largest active volcano, has erupted for the first time in decades, and an interactive hazard map created by the County of Hawaii is providing real-time updates about the event.

Are you planning a trip to the Big Island and want to know some fun Big Island activities to add to your itinerary? Find out ...

Aerial view of Crater Lake in Oregon, a collapse caldera formed by one of the largest volcanic eruptions in the past 8,000 years. A detailed survey of the volcanic deposits found offshore Japan ...

One of the world's most active volcanoes, Kilauea, has spewed lava fountains of 260 feet above Hawaii. Hawaiian Volcano Observatory said in its most recent update that the eruption "has stabilized ...