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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 — Mosquito and pig: cautionary tale of two alien species

Volcano Watch — Mosquito and pig: cautionary tale of two alien species

Mosquitoes are not native to the Hawaiian Islands. Anyone driven away from an outdoor activity or rudely awakened by a biting mosquito would agree...

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Volcano Watch — 20th anniversary of the catastrophic eruption

Volcano Watch — 20th anniversary of the catastrophic eruption

May 18th marks the 20th anniversary of the catastrophic eruption of Mount St. Helens that laid waste to over 540 square km (200 sq mi) of forest...

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Volcano Watch — HVO and Show Biz; unlikely but useful bedfellows

Volcano Watch — HVO and Show Biz; unlikely but useful bedfellows

Kīlauea is a magnet to volcanologists, visitors, and television production companies alike, drawn from around the word by the spell of its eruptions...

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Photo and Video Chronology - Kīlauea - May 1, 2000

Photo and Video Chronology - Kīlauea - May 1, 2000

Lehua blossom from the ‘ōhi‘a tree - The flower of Hawai‘i

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Volcano Watch — Strainmeters to be installed on Mauna Loa this summer

Volcano Watch — Strainmeters to be installed on Mauna Loa this summer

Mauna Loa Volcano last erupted 1984. Lava flows from vents in its northeast rift zone reached within seven kilometers (four miles) of Hilo. When and...

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Volcano Watch — Atmospheric nuclear explosions and the source of Steaming Flats water

Volcano Watch — Atmospheric nuclear explosions and the source of Steaming Flats water

The topics for this article are presented in response to requests from our readers. Many weeks ago, a reader called to express her appreciation for...

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Volcano Watch — House Number 182 burned by lava

Volcano Watch — House Number 182 burned by lava

A house burst into flames on Thursday afternoon, April 6, when it was overrun by lava. This house, at the foot of the Royal Gardens subdivision, is...

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Volcano Watch — Kulanaokuaiki campground: a whole lot of shaking going on

Volcano Watch — Kulanaokuaiki campground: a whole lot of shaking going on

On March 31, Hawai`i Volcanoes National Park officially opened Kulanaokuaiki campground, a barrier-free facility along the Hilina Pali Road south of...

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Volcano Watch — Eyes on Mauna Loa

Volcano Watch — Eyes on Mauna Loa

With the east rift zone eruption of Kīlauea continuing into its 18th year, much of our focus in volcano and seismic monitoring at the Hawaiian Volcano...

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Volcano Watch — Which way would you drive?

Volcano Watch — Which way would you drive?

Which way would you drive if you lived on the on the flank of an active volcano with lava headed your way? This question is based on real-life events...

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Photo and Video Chronology - Kīlauea - March 20, 2000

Photo and Video Chronology - Kīlauea - March 20, 2000

Dense glassy spatter erupted from Pu‘u ‘Ō‘ō in 1998

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Volcano Watch — Island Castaways

Volcano Watch — Island Castaways

The home of over 5 million breeding seabirds, Laysan Island is an uninhabited Hawaiian atoll formed from coral deposits atop a 20 million-year-old...

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