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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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Photo and Video Chronology - Mauna Loa - July 31, 2009

Photo and Video Chronology - Mauna Loa - July 31, 2009

Aerial views of Mauna Loa and neighboring volcanoes.
 

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Volcano Watch — A Volcano's Many Layers Determine the Richness of Hawai`i's Groundwater Resources

Volcano Watch — A Volcano's Many Layers Determine the Richness of Hawai`i's Groundwater Resources

Groundwater provides most of the fresh drinking water used in Hawai`i. Thus, discoveries that increase our understanding of the groundwater stored in...

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Volcano Watch — Explosions and Lava Flows Continue from Guatemala's Volcano Trio

Volcano Watch — Explosions and Lava Flows Continue from Guatemala's Volcano Trio

When asked by a journalist why he robbed banks, the famous 1930s bank robber Willie Sutton (no relation to HVO scientist Jeff Sutton) was reported to...

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Volcano Watch — A Laser's Look into the Lua Reveals How Pit Craters Grow

Volcano Watch — A Laser's Look into the Lua Reveals How Pit Craters Grow

This month, researchers from the University of Hawai`i teamed up with the Hawaiian Volcano Observatory staff to use laser-based technology to peer...

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Volcano Watch — The Show Goes on at Kīlauea's Summit Vent

Volcano Watch — The Show Goes on at Kīlauea's Summit Vent

Alert readers of this column and the Kīlauea daily update (posted every morning at http://hvo.wr.usgs.gov) will know that the past month has been an...

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Volcano Watch — Enjoy Nature's Fireworks Show

Volcano Watch — Enjoy Nature's Fireworks Show

As we get ready to enjoy Independence Day fireworks, Pele has been giving scientists at the Hawaiian Volcano Observatory some spectacular displays of...

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USGS HVO Press Release — Glow from The Halema‘uma‘u Overlook Vent Snuffed Out by Collapse

USGS HVO Press Release — Glow from The Halema‘uma‘u Overlook Vent Snuffed Out by Collapse

A sequence of rockfalls, some quite large, within the Halema‘uma‘u vent at the summit of Kīlauea Volcano began at 1:38 p.m. H.s.t on June 30, 2009. 

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USGS HVO Press Release — Magnitude-3.5 Earthquake beneath Haleakalā Shakes Maui and Neighboring Islands

USGS HVO Press Release — Magnitude-3.5 Earthquake beneath Haleakalā Shakes Maui and Neighboring Islands

A magnitude-3.5 earthquake beneath Haleakalā Volcano on Maui was recorded by the U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) on Sunday...

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Volcano Watch — The Beginning of a New Era—Kīlauea's 1952 Summit Eruption

Volcano Watch — The Beginning of a New Era—Kīlauea's 1952 Summit Eruption

The HVO Web site was recently revamped to make access to our increasing number of Webcams easier.

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Volcano Watch — Give new life to your old photographs of Hawai`i's volcanoes!

Volcano Watch — Give new life to your old photographs of Hawai`i's volcanoes!

The adage "a picture is worth a thousand words" is certainly true, especially when it comes to photographs of Hawaiian eruptions and volcanic...

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Volcano Watch — Geologists would even date charcoal to reveal volcano secrets

Volcano Watch — Geologists would even date charcoal to reveal volcano secrets

The key to unlocking the geologic secrets of a volcano's future is its past. The further back we can peer into the past & delve into Pele's secrets...

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Volcano Watch — New Webcam Menu Makes Lava Views Safely Available

Volcano Watch — New Webcam Menu Makes Lava Views Safely Available

The HVO Web site was recently revamped to make access to our increasing number of Webcams easier for viewers and the HVO staff who post Webcam images...

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