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Volcano Watch

Volcano Watch is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory scientists and affiliates. 

The USGS Hawaiian Volcano Observatory will not publish Volcano Watch articles during the lapse in federal government appropriations. 

Filter Total Items: 1751
Volcano Watch — Recent earthquake highlights one of Hawai‘i's most hazardous faults

Volcano Watch — Recent earthquake highlights one of Hawai‘i's most hazardous faults

On Friday, February 12, at 9:23 a.m., HST, a magnitude-4.1 earthquake occurred beneath Kīlauea Volcano's south flank.

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Volcano Watch — Prodigious plumes present provocative puzzle

Volcano Watch — Prodigious plumes present provocative puzzle

In recent weeks, the USGS Hawaiian Volcano Observatory (HVO) has received a number of calls from local residents saying essentially: "Hey, is...

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Volcano Watch — Why you've never heard of Hilo's Kalanakamaa gulch

Volcano Watch — Why you've never heard of Hilo's Kalanakamaa gulch

In 1880–1881, a lava flow from Mauna Loa came very close to entering Hilo Bay.

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Volcano Watch — A geological tour of the Hawaiian Islands: Hawai‘i

Volcano Watch — A geological tour of the Hawaiian Islands: Hawai‘i

As the 2016 Volcano Awareness Month comes to an end, so too does our series of "Volcano Watch" articles exploring the geology of the Hawaiian Islands...

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Volcano Watch — A geologic tour of the Hawaiian Islands: Maui

Volcano Watch — A geologic tour of the Hawaiian Islands: Maui

As part of Volcano Awareness Month, our January "Volcano Watch" articles are taking us on a geologic tour of the Hawaiian Islands. Today's stop: Maui...

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Volcano Watch — A geologic tour of the Hawaiian Islands: O‘ahu

Volcano Watch — A geologic tour of the Hawaiian Islands: O‘ahu

January is Volcano Awareness Month, during which our "Volcano Watch" articles are exploring the geology of the Hawaiian Islands. The series continues...

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Volcano Watch — A geologic tour of the Hawaiian Islands: Kaua‘i and Ni‘ihau

Volcano Watch — A geologic tour of the Hawaiian Islands: Kaua‘i and Ni‘ihau

Welcome to the 7th annual Volcano Awareness Month on the Island of Hawai‘i!

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Volcano Watch — Kīlauea Volcano's East Rift Zone eruption turns 33!

Volcano Watch — Kīlauea Volcano's East Rift Zone eruption turns 33!

What do actor Mel Gibson, football quarterback Eli Manning, and Kīlauea Volcano's ongoing East Rift Zone eruption at Pu‘u ‘Ō‘ō have in common? They...

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Volcano Watch — HVO scientists participate in the American Geophysical Union Fall Meeting

Volcano Watch — HVO scientists participate in the American Geophysical Union Fall Meeting

Last week, nearly 24,000 scientists from the U.S. and abroad met in San Francisco for the American Geophysical Union's 2015 Fall Meeting, the largest...

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Volcano Watch — Volcano awareness: An important quest for Island of Hawai‘i residents

Volcano Watch — Volcano awareness: An important quest for Island of Hawai‘i residents

This time last year, Kīlauea Volcano's lava flow was threatening Pāhoa. Today, the immediate danger to Puna communities no longer exists, but lava...

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Volcano Watch — What is a volcano?

Volcano Watch — What is a volcano?

Many readers know that the Island of Hawai‘i is made of five volcanoes—Kīlauea, Mauna Loa, Hualālai, Mauna Kea, and Kohala.

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Volcano Watch — Recent Books Highlight Advances in Understanding Hawaiian Volcanism

Volcano Watch — Recent Books Highlight Advances in Understanding Hawaiian Volcanism

Modern science could not exist without exchange of data and ideas. The exchange can be informal—at meetings and in casual conversations—or formal—in...

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Volcano Watch — Mount Fuji workshop focused on how to manage tourism on active volcanoes

Volcano Watch — Mount Fuji workshop focused on how to manage tourism on active volcanoes

In early November, volcano scientists from Hawai‘i, Chile, Indonesia, Italy, and Japan participated in a workshop at the Mount Fuji Research Institute...

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Volcano Watch — Rainbows on the ground: How satellite radar helps us monitor volcano deformation

Volcano Watch — Rainbows on the ground: How satellite radar helps us monitor volcano deformation

The surface of Kīlauea Volcano is rarely stationary. There are a variety of processes that each move or change the shape of the volcano and, when...

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Volcano Watch — Lava-loving ‘ōhi‘a lehua: A pioneer plant in peril

Volcano Watch — Lava-loving ‘ōhi‘a lehua: A pioneer plant in peril

One of the wondrous things about visiting a young lava flow on the Island of Hawai‘i is encountering the tenacious plant life that emerges from a...

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Volcano Watch — What’s happening at Pu‘u ‘Ō‘ō?

Volcano Watch — What’s happening at Pu‘u ‘Ō‘ō?

A lot has changed over the past year on Kīlauea Volcano. One year ago, the June 27th flow was threatening to cross Pāhoa Village Road and, potentially...

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Volcano Watch — Puna Resiliency Block Party affirms value of lava flow community meetings

Volcano Watch — Puna Resiliency Block Party affirms value of lava flow community meetings

One year ago, the now infamous June 27th lava flow was headed toward the middle of Pāhoa and threatening to cross the main village road and cut off...

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Volcano Watch — Researchers Record Slow, Unsteady Movement on the South Flank of Kīlauea

Volcano Watch — Researchers Record Slow, Unsteady Movement on the South Flank of Kīlauea

It happened again. Did you notice? Last week a portion of Kīlauea Volcano's south flank slowly slipped seaward. Its movement is part of a recurring...

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Volcano Watch — Geologic mapping looks to the past to reveal the future

Volcano Watch — Geologic mapping looks to the past to reveal the future

Geologic mapping is considered by some to be "old school" science. By current standards, there's certainly nothing glitzy or high tech about walking...

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Volcano Watch — Lessons learned from the 2006 Kīholo Bay earthquakes

Volcano Watch — Lessons learned from the 2006 Kīholo Bay earthquakes

October 15, 2015, is the 3rd annual Great Hawaii ShakeOut. That day also marks the 9th anniversary of Hawaii's two most recent damaging earthquakes.

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Volcano Watch — Drop! Cover! Hold on!—Protect yourself during Hawaii's next earthquake

Volcano Watch — Drop! Cover! Hold on!—Protect yourself during Hawaii's next earthquake

The State of Hawaii has a long history of destructive earthquakes. More than 30 magnitude-6.0 or greater earthquakes have impacted the islands since...

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