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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 — Geologic Map of Hawai`i Island available in electronic format

Volcano Watch — Geologic Map of Hawai`i Island available in electronic format

The U.S. Geological Survey recently made available the digital geologic map for the Island of Hawai`i. Compiled by Frank Trusdell of the Hawaiian...

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Photo and Video Chronology - Kīlauea - March 20, 2006

Photo and Video Chronology - Kīlauea - March 20, 2006

Shatter ring on the PKK lava tube.

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Volcano Watch — Erupting lava domes create thick flows and glowing rock avalanches

Volcano Watch — Erupting lava domes create thick flows and glowing rock avalanches

Within the broad spectrum of volcanic activity that is possible on Earth, the eruption of lava domes is a common and frequently hazardous phenomenon...

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Volcano Watch — Molten Lava Can Boil Seawater Completely Dry

Volcano Watch — Molten Lava Can Boil Seawater Completely Dry

The lava ocean entry at East Lae`apuki, on the southern shoreline of Kīlauea Volcano, has been active for 15 months. Lava flows rapidly from Pu`u `O`o...

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Volcano Watch — Past success and future planning reduce volcanic risk and save lives

Volcano Watch — Past success and future planning reduce volcanic risk and save lives

Five volcanoes erupting in the United States within the past two months - Kīlauea, Mount St. Helens, and Augustine, Mt. Cleveland, and possibly...

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USGS HVO Press Release — Magnitude-4.0 Earthquake and Aftershocks Occur near Kīlauea Volcano

USGS HVO Press Release — Magnitude-4.0 Earthquake and Aftershocks Occur near Kīlauea Volcano

An earthquake of magnitude-4.0 (preliminary) was recorded by the U.S. Geological Survey's Hawaiian Volcano Observatory on March 1, at 8:57 A.M. HST.

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Volcano Watch — A volatile view of CO2 from atop Kīlauea's magma chamber

Volcano Watch — A volatile view of CO2 from atop Kīlauea's magma chamber

On cool, still mornings at the top of Kīlauea, visitors looking across the summit caldera can see a palpable example of the Earth breathing. Wisps of...

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Volcano Watch — Origin of the Big Island's Great Valleys Revealed in Hawaiian chant

Volcano Watch — Origin of the Big Island's Great Valleys Revealed in Hawaiian chant

An old Hawaiian chant tells of a mysterious, powerful place in North Kohala, where two streams begin side by side but run in opposite directions and...

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USGS HVO Press Release — Magnitude-4.6 Earthquake Occurs on Kīlauea Volcano's South Flank

USGS HVO Press Release — Magnitude-4.6 Earthquake Occurs on Kīlauea Volcano's South Flank

An earthquake of magnitude-4.6 (preliminary) was recorded by the U.S. Geological Survey's Hawaiian Volcano Observatory on February 16, at 3:22 P.M...

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Volcano Watch — Alaskan volcano sends ashy plumes thousands of feet into the air

Volcano Watch — Alaskan volcano sends ashy plumes thousands of feet into the air

A significant volcanic eruption is in progress right now in Alaska, though it hasn't received much media attention. Augustine Volcano, named by...

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Volcano Watch — HVO bids a fond farewell to a geologist and a friend

Volcano Watch — HVO bids a fond farewell to a geologist and a friend

HVO loses one of its most versatile research scientists next week, when Rick Hoblitt returns to his home base, the Cascades Volcano Observatory (CVO)...

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Volcano Watch — Revolution in thinking about Kīlauea's explosions comes to HVO: Part 2

Volcano Watch — Revolution in thinking about Kīlauea's explosions comes to HVO: Part 2

The past five years, especially the past 18 months, have seen profound changes in the way HVO scientists view Last week's Volcano Watch highlighted...

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