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.

Based in Hilo, Hawaii on the Island of Hawaiʻi, the observatory monitors six Hawaiian volcanoes: Kīlauea, Mauna Loa, Kamaʻehuakanaloa (formerly Lōʻihi), Hualālai, Mauna Kea, and …

HVO is responsible for monitoring earthquakes and volcanoes in Hawaii. The volcanoes considered active include Kilauea, Mauna Loa, Hualalai, Lo`ihi (submarine), Mauna Kea, and …

HVO's mission is to monitor, investigate, and assess hazards from active volcanoes and earthquakes in Hawaii, issue warnings, and advance scientific understanding in order to …

6 days ago · In honor of the one-year anniversary of the ongoing Kilauea eruption, which started on Dec. 23, 2024, Spectrum News Hawaii spoke with USGS Hawaiian Volcano Observatory …

6 days ago · The Hawaiian Volcano Observatory is one of five volcano observatories within the US Geological Survey and is responsible for monitoring volcanoes and earthquakes in Hawaiʻi …

6 days ago · Photo compilation of the 38 lava fountaining episodes that occurred the first year of the ongoing eruption at the summit of Kīlauea. The eruption started Dec. 23, 2024, and …

6 days ago · Hawaiian Volcano Observatory has a dense network of instruments constantly watching and providing data from Kīlauea’s summit — and for the first time that includes …

Aug 11, 2025 · Extending from sea level to 13,680 feet, the park encompasses the summits of two of the world's most active volcanoes - Kīlauea and Mauna Loa - and is a designated …

Dec 21, 2025 · Volcano Watch articles in January will review these past eruptions, which lacked today’s dense monitoring network, satellite observations and real-time cameras. Modern …