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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. Communicating the results of our work to the public, emergency managers, and the scientific community is an important aspect of the HVO mission.
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 volcanoes, is liveliest. Between 1912 and 2012, there were nearly 50 Kīlauea eruptions, 12 Mauna Loa eruptions, and one Hualālai intrusion of magma .
HVO will continue to provide daily updates for Kīlauea volcano. Should volcanic activity change significantly, a Volcanic Activity Notice will be issued. Please see the Hawaiʻi Volcanoes National Park website for visitor information: https://www.nps.gov/havo/index.htm.
The USGS Hawaiian Volcano Observatory (HVO) is responsible for monitoring and studying one of the most active volcanic regions in the world. The...
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 posted on the HVO website. Volcano Watch is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory scientists and colleagues.
Hawaii offers exceptional natural laboratories for scientists to monitor and study active volcanoes. For more than 100 years, Hawaiian Volcano Observatory (HVO) scientists have developed new volcano-monitoring instruments and networks to record and document activity at Hawaiian volcanoes.
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 analyzing data from instruments and field studies have changed dramatically since Jaggar's time.
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 volcanoes, is liveliest. Between 1912 and 2012, there were nearly 50 Kīlauea eruptions, 12 Mauna Loa eruptions, and one Hualālai intrusion of magma.
Hawaiian Volcano Observatory webcams show current conditions on Hawaiian volcanoes.
Lava flow mapping provides situational awareness of volcanic eruptive hazards in Hawaii. During eruptions, USGS Hawaiian Volcano Observatory (HVO) scientists employ a variety of techniques to collect and disseminate map data depicting key eruptive features, especially lava flows.