Skip to main content
U.S. flag

An official website of the United States government

News

News about Mauna Loa.

Filter Total Items: 413
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...

Read Article
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...

Read Article
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...

Read Article
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...

Read Article
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.

Read Article
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...

Read Article
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...

Read Article
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...

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

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.

Read Article
November 5: Community Meeting in Kealakekua

November 5: Community Meeting in Kealakekua

On Saturday, November 5, 2022, the Hawaiian Volcano Observatory will participate in a Kealakekua community discussion about the status of Mauna Loa...

Read Article
Volcano Watch — Aftershock forecasts let you know what to expect after a large earthquake

Volcano Watch — Aftershock forecasts let you know what to expect after a large earthquake

After damaging earthquakes, response and recovery takes place under the threat of aftershocks. USGS aftershock forecasts can help you understand what...

Read Article
Volcano Watch — Recent events at Mauna Loa remind us to be prepared for quick changes

Volcano Watch — Recent events at Mauna Loa remind us to be prepared for quick changes

The last eruption of Mauna Loa occurred in 1984 and began in a style typical of the volcano. At 10:55 p.m. on March 24, 1984, the rate of earthquakes...

Read Article
Was this page helpful?