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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 — Volcweb: A new public tool for exploring earthquakes on Hawai‘i

Volcano Watch — Volcweb: A new public tool for exploring earthquakes on Hawai‘i

Recently the Hawaiian Volcano Observatory (HVO) launched Volcweb, an interactive portal for exploring earthquake information on the Hawaiian Islands...

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Photo and Video Chronology - Kīlauea - March 6, 2012

Photo and Video Chronology - Kīlauea - March 6, 2012

Mauna Loa looms behind HVO and Jaggar Museum. Halema‘uma‘u lava lake and channelized flow on pali.

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Volcano Watch — Why do swarms of earthquakes occur around the Ka‘ōiki Pali?

Volcano Watch — Why do swarms of earthquakes occur around the Ka‘ōiki Pali?

This question stems from the earthquake swarm that occurred near Nāmakanipaio Campground along the north end of the Ka‘ōiki Pali on February 22-24...

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Photo and Video Chronology - Kīlauea - February 24, 2012

Photo and Video Chronology - Kīlauea - February 24, 2012

Thermal overlay shows active flow front in Royal Gardens subdivision.

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

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

Hawai‘i ISLAND, Hawai‘i — The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) has recorded more than 100 earthquakes in a swarm that began...

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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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