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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 — Complex interactions between air and land help shape Hawai‘i Island

Volcano Watch — Complex interactions between air and land help shape Hawai‘i Island

Currently, in Hawai‘i, we find ourselves in the middle of ho‘oilo, or the wet season. While we all enjoy the dry season, known as kau, ho‘oilo is, in...

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USGS HVO Press Release — Earthquake Swarm Located Between Kīlauea and Mauna Loa Volcanoes

USGS HVO Press Release — Earthquake Swarm Located Between Kīlauea and Mauna Loa Volcanoes

Hawai‘i ISLAND, Hawai‘i — The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) recorded an earthquake swarm that began around 1:17 a.m...

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Volcano Watch — Kalaupapa and Kauhakō: What a difference a few hundred thousand years can make

Volcano Watch — Kalaupapa and Kauhakō: What a difference a few hundred thousand years can make

Last fall, residents of Kalaupapa settlement on the Island of Moloka‘i began reporting unusual sulfurous odors coming from the direction of Kauhakō...

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Volcano Watch — Centennial poster contest winners honored by the Hawaiian Volcano Observatory

Volcano Watch — Centennial poster contest winners honored by the Hawaiian Volcano Observatory

The U.S. Geological Survey Hawaiian Volcano Observatory recently honored Hawai‘i Island students who created winning posters celebrating the...

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Photo and Video Chronology - Kīlauea - February 8, 2012

Photo and Video Chronology - Kīlauea - February 8, 2012

View of swiftly-moving lava entering the tube system, and active breakouts.

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Volcano Watch —HVO's centennial open house draws a large and enthusiastic crowd

Volcano Watch —HVO's centennial open house draws a large and enthusiastic crowd

"Wow!" "I didn’t know that!" "Cool!"

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USGS HVO Press Release — Hear about Mauna Loa's eruptive history and current status in a West Hawai‘i presentation

USGS HVO Press Release — Hear about Mauna Loa's eruptive history and current status in a West Hawai‘i presentation

HAWAI‘I ISLAND, Hawai‘i — Mauna Loa, the largest volcano on Earth, is the topic of a presentation at Pu‘uhōnua o Honaunau National Historical Park on...

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Photo and Video Chronology - Kīlauea - January 26, 2012

Photo and Video Chronology - Kīlauea - January 26, 2012

Lava lake in Pu‘u ‘Ō‘ō, and surface lava on episode 61 flow field.

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Volcano Watch —With a little help from our friends: Volunteers contribute to HVO's success

Volcano Watch —With a little help from our friends: Volunteers contribute to HVO's success

More than 300 employees—scientists, technicians, and support staff—have worked at HVO over the past century, but the observatory could not have been...

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USGS HVO Press Release — Kīlauea's Volcanic Gases and Their Environmental Impacts

USGS HVO Press Release — Kīlauea's Volcanic Gases and Their Environmental Impacts

Hawai‘i National Park, HI — The public is invited to learn about Kīlauea's volcanic gases and vog (volcanic air pollution) in an “After Dark in the...

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Photo and Video Chronology - Kīlauea - January 25, 2012

Photo and Video Chronology - Kīlauea - January 25, 2012

Video of spattering in Halema‘uma‘u lava lake.

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USGS HVO Press Release — A 100-year-long History of Earthquakes and Seismic Monitoring in Hawai‘i

USGS HVO Press Release — A 100-year-long History of Earthquakes and Seismic Monitoring in Hawai‘i

HAWAI‘I ISLAND, Hawai‘i —The history of earthquakes and seismic monitoring in Hawai‘i during the past century will be the topic of a presentation at...

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