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  1. Hawaiian Volcano Observatory | U.S. Geological Survey

    HVO monitors earthquakes and the active volcanoes in Hawaii, assesses their hazards, issues warnings, and advances scientific understanding to reduce the impacts of volcanic eruptions.

  2. Hawaiian Volcano Observatory

    Founded in 1912, HVO was the first of the five volcano observatories supported by USGS today. For much of its history, HVO was perched on the rim of Kīlauea Volcano's summit caldera …

  3. Hawaiian Volcano Observatory - News | U.S. Geological Survey

    Sep 25, 2025 · Daily updates about ongoing eruptions, recent images and videos of summit and East Rift Zone volcanic activity, maps, and data about recent earthquakes in Hawaii are …

  4. Hawaiian Volcano Observatory - USGS

    HVO, unique among U.S. volcano observatories, has the USGS responsibility to record and report on the thousands of earthquakes that occur every year in Hawaii, mostly beneath the Island of …

  5. Kīlauea - Volcano Updates | U.S. Geological Survey

    3 days ago · The Hawaiian Volcano Observatory is one of five volcano observatories within the U.S. Geological Survey and is responsible for monitoring volcanoes and earthquakes in …

  6. Hawaiian Volcano Observatory - USGS

    The USGS Hawaiian Volcano Observatory (HVO) is responsible for monitoring six active volcanoes on the Islands of Hawai‘i and Maui. The Island of Hawai‘i, with four active …

  7. About the Hawaiian Volcano Observatory | U.S. Geological Survey

    Founded in 1912, HVO was the first of the five volcano observatories supported by the U.S. Geological Survey's Volcano Hazards Program today. HVO's methods of observing and …

  8. Active Volcanoes of Hawaii | U.S. Geological Survey - USGS.gov

    The USGS Hawaiian Volcano Observatory (HVO) is responsible for monitoring six active volcanoes on the Islands of Hawai‘i and Maui. The Island of Hawai‘i, with four active …

  9. HVO - Observatory Messages | U.S. Geological Survey

    Oct 17, 2025 · This page displays the latest volcano observatory short messages issued by the USGS Hawaiian Volcano Observatory. These short messages are quick status updates …

  10. Webcams - Hawaiian Volcano Observatory | U.S. Geological Survey

    Hawaiian Volcano Observatory webcams show current conditions on Hawaiian volcanoes.