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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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New USGS publication: Lava inundation zone maps for Mauna Loa, Island of Hawai‘i, Hawaii

New USGS publication: Lava inundation zone maps for Mauna Loa, Island of Hawai‘i, Hawaii

Lava flows from Mauna Loa volcano, on the Island of HAWAII, constitute a significant hazard to people and property. This report addresses those lava...

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Volcano Watch — USGS maps identify lava inundation zones for Mauna Loa

Volcano Watch — USGS maps identify lava inundation zones for Mauna Loa

Using detailed geologic mapping and modeling of how a fluid (in this case, lava) responds to surface topography, USGS-HVO constructed nine maps...

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Photo and Video Chronology - Kīlauea - October 26, 2017

Photo and Video Chronology - Kīlauea - October 26, 2017

Lava breakouts continue on the coastal plain and on the delta

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Volcano Watch — New USGS video about Kīlauea Volcano's summit eruption is now online

Volcano Watch — New USGS video about Kīlauea Volcano's summit eruption is now online

The U.S. Geological Survey has produced a documentary, "Kīlauea Summit Eruption–Lava Returns to Halema‘uma‘u," to tell the story of the eruption, and...

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Photo and Video Chronology - Kīlauea - October 13, 2017

Photo and Video Chronology - Kīlauea - October 13, 2017

Pāhoehoe breakouts on the coastal plain

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Volcano Watch — Summer 2017 goes out like a lion with hurricanes and earthquakes: reminders to be prepared for Nature's fury

Volcano Watch — Summer 2017 goes out like a lion with hurricanes and earthquakes: reminders to be prepared for Nature's fury

As the summer months began to wind down this year, Nature's fury began to wind up and grab much of the news cycle.

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Photo and Video Chronology - Kīlauea - October 12, 2017

Photo and Video Chronology - Kīlauea - October 12, 2017

Breakouts remain active on flow field, changes to ocean entry lava delta

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Photo and Video Chronology - Kīlauea - October 10, 2017

Photo and Video Chronology - Kīlauea - October 10, 2017

Kamokuna Lavafalls Oct 3-5

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Photo and Video Chronology - Kīlauea - October 8, 2017

Photo and Video Chronology - Kīlauea - October 8, 2017

Breakouts remain active on the coastal plain and pali

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Photo and Video Chronology - Kīlauea - October 6, 2017

Photo and Video Chronology - Kīlauea - October 6, 2017

Coastal breakouts put on a show

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Volcano Watch — Modeling Kīlauea Volcano a Century Ago

Volcano Watch — Modeling Kīlauea Volcano a Century Ago

In today's age of aerial photography, satellites, and drones, bird's-eye views of geologic features are taken for granted. A century ago, such...

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Volcano Watch — Legacy of the Mount St. Helens 1980 eruption still defies perfect solution

Volcano Watch — Legacy of the Mount St. Helens 1980 eruption still defies perfect solution

Thirty-seven years after the May 18, 1980, eruption of Mount St. Helens, Washington, scientists, engineers, land managers, and Federal, State, and...

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