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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.

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Photo and Video Chronology – Hawaiian Volcano Observatory – November 28, 2022

Mauna Loa volcano began erupting in Moku‘āweoweo Caldera on November 27, 2022, at approximately 11:30 p.m. By 6:30 a.m. on November 28, the eruption...

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VAN/VONA - Mauna Loa RED/WARNING - Eruption moved to Northeast Rift Zone

Eruption has moved to Mauna Loa’s Northeast Rift Zone. Local hazards include lava flows, ash and tephra fall, and heavy vog.

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Mauna Loa Has Begun Erupting

On Sunday, Nov. 27, 2022, Mauna Loa volcano on the island of Hawai‘i began to erupt. The volcano alert level has risen to WARNING/RED.

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VAN/VONA - Mauna Loa RED/WARNING - Eruption within Moku‘āweoweo, the summit caldera

At approximately 11:30 p.m. HST this evening, November 27, an eruption began in Moku‘āweoweo, the summit caldera of Mauna Loa, inside Hawai‘i...

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Volcano Watch — What are the Volcano Alert Level and Aviation Color Code?

The U.S. Geological Survey (USGS) Hawaiian Volcano Observatory (HVO) sets the Volcano Alert Level and Aviation Color Code for volcanoes in Hawaii and...

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Photo and Video Chronology – Hawaiian Volcano Observatory – November 23, 2022

HVO scientists collect detailed data to assess hazards and understand how the eruption is evolving at Kīlauea's summit, all of which are shared with...

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Photo and Video Chronology – Hawaiian Volcano Observatory – November 17, 2022

HVO scientists collect detailed data to assess hazards and understand how the eruption is evolving at Kīlauea's summit, all of which are shared with...

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Volcano Watch — Learning from the impacts of Kīlauea's 2018 LERZ lava flows

Lava flows erupted from the lower East Rift Zone (LERZ) of Kīlauea in 2018 and devastated lower Puna. In 2019, a team of scientists from the USGS, the...

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Photo and Video Chronology – Hawaiian Volcano Observatory – November 10, 2022

HVO scientists collect detailed data to assess hazards and understand how the eruption is evolving at Kīlauea's summit, all of which are shared with...

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Volcano Watch — Volcanoes of American Samoa

Ta‘ū volcano in American Samoa experienced volcanic unrest in the form of an earthquake swarm that was felt throughout the Manuʻa Islands (Ofu-Olosega...

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Volcano Watch — Inflating volcanoes or cloudy data: discerning deformation from noise with InSAR

Satellites have become one of the fundamental tools used to monitor active volcanoes. One of the most revolutionary advances has been the use of InSAR...

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Photo and Video Chronology – Hawaiian Volcano Observatory – November 3, 2022

Overflight of Mauna Loa summit and rift zones and eruption monitoring overflight of Kīlauea summit.

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