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The Sulphur Cone area stands out in bright contrast. It’s a steaming section of the 1950 eruptive fissure at 11,420 ft elevation.

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Ká¿‘lauea Volcano is not erupting and its USGS Volcano Alert level remains at normal.

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Hawai‘i Volcanoes National Park will fully reopen Mauna Loa Road to vehicles on Monday, Oct. 8, along with the Mauna Loa Trail, the 13,677-foot summit and both high-altitude cabins.

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The Keauhou Fire received additional rainfall on Thursday. On Wednesday, 1/2 inch of rain fell aiding firefighters in their work. Containment remains at 90 percent and holding at 3,739 acres on the slopes of Mauna Loa, mostly within HawaiÊ»i Volcanoes National Park. With the cooler and wetter weather, firefighters are focusing on mop-up and patrol […]

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Earthquakes at Mauna Loa have diminished and deformation has slowed, indicating that the volcano is no longer at an elevated level of unrest.

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Three deposits from explosive eruptions at the summit of Mauna Loa are located west, northwest, and east of Moku‘āweoweo, the volcano’s summit caldera.

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Researchers from the University of Hawaiʻi at Mānoa are seeking crewmembers for a NASA-funded long-duration space exploration analog study.

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The Hawaii Space Exploration Analog and Simulation which simulates a space mission by four crewmembers has been canceled.

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The National Weather Service in Honolulu has issued a Winter Storm Warning for Hawaii Island summits above 12,000 feet until 6 p.m. Friday (Feb 23).

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So, we take this opportunity to explain why HVO is talking so much about a volcano that hasn’t erupted in more than three decades, and to clarify a few facts.

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A widely-held belief is that Thomas Jaggar, founder of the Hawaiian Volcano Observatory, was able to stop a Mauna Loa lava flow in 1935. But is it true?

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Lava inundation maps provide a good first-order understanding of specific areas that could be affected by Mauna Loa lava flows. This information is critical for response planning.

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The National Weather Service reports a Flash Flood Warning is now in effect for Hawaii Island until 11:15 a.m. A Flash Flood Warning means dangerous flooding is occurring or imminent; and may pose a threat to life and property. Heavy thunder showers are expected to continue through today.

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The National Weather Service in Honolulu has issued a flash flood watch for Hawaii Island Monday through Tuesday afternoon (Oct 23-24). Heavy showers associated with an upper trough and cold front moving down the island chain could result in flash flooding Monday through Tuesday. The latest guidance indicates the greatest potential for flooding will occur […]

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