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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 — 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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Volcano Watch — Magma Within Kīlauea's Summit Vent Never Goes Flat

Volcano Watch — Magma Within Kīlauea's Summit Vent Never Goes Flat

Two weeks ago, readers of this column learned about the genesis of brown plumes and sudden gas release from Kīlauea's summit vent. This week we will...

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Volcano Watch — Today is the 40th Birthday of the Wondrous Mauna Ulu Eruption

Volcano Watch — Today is the 40th Birthday of the Wondrous Mauna Ulu Eruption

Just before daybreak on May 24, 1969, a new eruptive fissure split open Kīlauea's east rift zone at its bend near `Alo`i Crater. During the previous 9...

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Volcano Watch — Pele Plays the Plume in a Recent Multisensory Performance

Volcano Watch — Pele Plays the Plume in a Recent Multisensory Performance

This weekend marks the return to the Big Island of ukulele virtuoso Jake Shimabukuro. His shows encompass a musical variety from Hawaiian to bluegrass...

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Volcano Watch — Sightseers Jam Roads and Airspace During Mauna Loa's 1949 Summit Eruption

Volcano Watch — Sightseers Jam Roads and Airspace During Mauna Loa's 1949 Summit Eruption

On the afternoon of January 6, 1949, scientists at the Hawaiian Volcano Observatory, 32 km (20 miles) from Mauna Loa's summit, couldn't see the top of...

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