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News about Mauna Loa.

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Photo and Video Chronology – Mauna Loa – December 3, 2022

Photo and Video Chronology – Mauna Loa – December 3, 2022

Mauna Loa's Northeast Rift Zone eruption continues. There is a visible gas plume from the erupting fissure fountains and lava flows.

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Photo and Video Chronology – Mauna Loa – December 2, 2022

Photo and Video Chronology – Mauna Loa – December 2, 2022

Mauna Loa's Northeast Rift Zone eruption continues. No property is at risk currently. There is a visible gas plume from the erupting fissure fountains...

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Volcano Watch — Mauna Loa Reawakens

Volcano Watch — Mauna Loa Reawakens

At 10:45 p.m. Sunday evening, November 27, USGS Hawaiian Volcano Observatory (HVO) scientists were alerted to an earthquake swarm beneath Mauna Loa...

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Mauna Loa Has Begun Erupting

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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Photo and Video Chronology – Mauna Loa – December 1, 2022

Photo and Video Chronology – Mauna Loa – December 1, 2022

Mauna Loa's Northeast Rift Zone eruption continues. No property is at risk currently. There is a visible gas plume from the erupting fissure fountains...

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Photo and Video Chronology – Mauna Loa – November 30, 2022

Photo and Video Chronology – Mauna Loa – November 30, 2022

Mauna Loa's Northeast Rift Zone eruption continues. No property is at risk currently. There is a visible gas plume from the erupting fissure fountains...

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Photo and Video Chronology – Mauna Loa – November 29, 2022

Photo and Video Chronology – Mauna Loa – November 29, 2022

Mauna Loa's Northeast Rift Zone eruption continues. No property is at risk currently. There is a visible gas plume from the erupting fissure fountains...

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

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

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

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?

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

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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