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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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Volcano Watch — HVO looks to the past to better understand future Mauna Loa eruptions

Volcano Watch — HVO looks to the past to better understand future Mauna Loa eruptions

Mauna Loa, the largest active volcano on Earth, has erupted, on average, every 5–6 years during the past 3,000 years.

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Photo and Video Chronology - Kīlauea - April 1, 2020

Photo and Video Chronology - Kīlauea - April 1, 2020

No significant changes in the summit water pond

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Volcano Watch — Water, ash, and the great unknown of explosive volcanic eruptions

Volcano Watch — Water, ash, and the great unknown of explosive volcanic eruptions

The presence of water in Halema‘uma‘u has sparked an important discussion about what the pond means for future eruptions at Kīlauea Volcano. There are...

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Photo and Video Chronology - Kīlauea - March 26, 2020

Photo and Video Chronology - Kīlauea - March 26, 2020

Timelapse of water rising in Halema‘uma‘u

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Photo and Video Chronology - Kīlauea - March 25, 2020

Photo and Video Chronology - Kīlauea - March 25, 2020

HVO scientists conduct field checks of LiDAR survey

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Volcano Watch — HVO's geological sample collections are an important resource

Volcano Watch — HVO's geological sample collections are an important resource

In the past, HVO would occasionally post images of people collecting lava samples on our website. These photos usually featured a person (with little...

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Photo and Video Chronology - Kīlauea - March 19, 2020

Photo and Video Chronology - Kīlauea - March 19, 2020

Continued slow rise of water in Halema‘uma‘u

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Photo and Video Chronology - Mauna Loa - March 18, 2020

Photo and Video Chronology - Mauna Loa - March 18, 2020

 

Snow at Mauna Loa summit

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Volcano Watch — Old bombs found on Mauna Loa: The rest of the story (Part 2)

Volcano Watch — Old bombs found on Mauna Loa: The rest of the story (Part 2)

Last week's Volcano Watch provided details of events leading up to the dropping of bombs on a Mauna Loa lava flow on December 27, 1935. Here's the...

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Volcano Watch — Old bombs found on Mauna Loa: The rest of the story (Part 1)

Volcano Watch — Old bombs found on Mauna Loa: The rest of the story (Part 1)

In late February 2020, Hawaii media reported on the recent discovery of two bombs on the north flank of Mauna Loa, but details were lacking. Today, we...

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Photo and Video Chronology - Kīlauea - March 2, 2020

Photo and Video Chronology - Kīlauea - March 2, 2020

Water pond in Halema‘uma‘u continues to grow

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Volcano Watch — This week marks 65 years since Kīlauea Volcano's 1955 eruption

Volcano Watch — This week marks 65 years since Kīlauea Volcano's 1955 eruption

February 28, 2020, marks the 65th anniversary of Kīlauea Volcano's 1955 lower East Rift Zone (LERZ) eruption. In recognition of this historic event...

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