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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 — Continued Rumblings of the 2006 Kiholo Bay Earthquake

Volcano Watch — Continued Rumblings of the 2006 Kiholo Bay Earthquake

This past weekend, Kohala's famed Mauna Kea Beach Hotel celebrated a "soft reopening" following repairs and renovations in the aftermath of the...

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Volcano Watch — Kīlauea Observes Seasonal Celebrations Volcano Style

Volcano Watch — Kīlauea Observes Seasonal Celebrations Volcano Style

The holiday season is once more upon us, with the solstice arriving at 2:04 a.m. Hawaiian Standard Time on Sunday, December 21, and Chanukah...

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Volcano Watch — How voggy is it?

Volcano Watch — How voggy is it?

How do we measure vog? Hawai`i Island and the State are getting a good dose of it so far this December. Vog is a combination of pollutants measured by...

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Volcano Watch — Halema`uma`u Reaches a Milestone as Kīlauea's Longest Summit Eruption Since 1924

Volcano Watch — Halema`uma`u Reaches a Milestone as Kīlauea's Longest Summit Eruption Since 1924

The current volcanic activity in Halema`uma`u Crater is now Kīlauea's longest summit eruption since 1924. On November 25, 2008, it exceeded the...

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Volcano Watch — Laki and Eldgj? — Two Good Reasons to Live in Hawai`i

Volcano Watch — Laki and Eldgj? — Two Good Reasons to Live in Hawai`i

For those of us who live in East Hawai`i, having an active volcano in our back yard is a part of daily life.

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Volcano Watch — Halema`uma`u Engine Shifts Gears, but Keeps on Chugging

Volcano Watch — Halema`uma`u Engine Shifts Gears, but Keeps on Chugging

For the past month, Kīlauea's summit eruption has been steadily chugging along.

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Photo and Video Chronology - Kīlauea - November 14, 2008

Photo and Video Chronology - Kīlauea - November 14, 2008

Halema‘uma‘u plume captures the sun.

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Photo and Video Chronology - Kīlauea - November 13, 2008

Photo and Video Chronology - Kīlauea - November 13, 2008

Halema‘uma‘u plume with the moon.

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Volcano Watch — Surface Deformation at Kīlauea's Summit is a Moving Target

Volcano Watch — Surface Deformation at Kīlauea's Summit is a Moving Target

Ground deformation is one of the primary ways that scientists at the Hawaiian Volcano Observatory (HVO)—and other volcanologists all over the world...

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Volcano Watch — Halema`uma`u Crater Ringed by Remains of Old Lava Lake

Volcano Watch — Halema`uma`u Crater Ringed by Remains of Old Lava Lake

Have you ever noticed the "bathtub ring" in Halema`uma`u? Look into the crater from Jaggar Overlook—or via HVO's Halema`uma`u Webcam—and you'll see a...

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Volcano Watch — Lava and Ice Mingle in the South Sandwich Islands

Volcano Watch — Lava and Ice Mingle in the South Sandwich Islands

You probably know that Captain James Cook was the first European to encounter the Hawaiian Islands, which he named the "Sandwich Islands" after his...

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Volcano Watch — Of Animals and Earthquakes (My Cat Felt That)

Volcano Watch — Of Animals and Earthquakes (My Cat Felt That)

When filling out felt earthquake reports, many people describe strange behavior by their pets just before an earthquake.

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