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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.

Filter Total Items: 1785
Volcano Watch — The June 27th flow advances toward Pāhoa

Volcano Watch — The June 27th flow advances toward Pāhoa

In an August 22, 2014, news release, the USGS Hawaiian Volcano Observatory (HVO) stated that a new lava flow, dubbed the June 27th flow for the date...

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Volcano Watch — HVO scientists are closely watching Kīlauea—and Mauna Loa

Volcano Watch — HVO scientists are closely watching Kīlauea—and Mauna Loa

Volcanoes are prominent in the news lately with new eruptions near Barbardunga volcano in Iceland and Tavurvur volcano in Rabaul, Papua New Guinea, as...

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Volcano Watch — June 27th lava flow activity continues, so stay informed!

Volcano Watch — June 27th lava flow activity continues, so stay informed!

In response to the USGS Hawaiian Volcano Observatory's (HVO's) Aug. 22, 2014, news release that Kīlauea's June 27th lava flow could become a concern...

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Volcano Watch — Do Hawaiian eruptions pose a threat to aircraft?

Volcano Watch — Do Hawaiian eruptions pose a threat to aircraft?

As we work to increase monitoring capabilities on our restless neighbor Mauna Loa Volcano, our colleagues at the The threat posed by ash injected into...

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Volcano Watch — How do volcanoes affect the weather and climate?

Volcano Watch — How do volcanoes affect the weather and climate?

Before Tropical Storm Iselle's landfall on August 7, conventional wisdom among many residents was that the Island of Hawai‘i is immune to hurricanes...

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Volcano Watch — University of Hawai‘i students complete summer internships at the Hawaiian Volcano Observatory

Volcano Watch — University of Hawai‘i students complete summer internships at the Hawaiian Volcano Observatory

This week, the Hawaiian Volcano Observatory (HVO) bids aloha to two interns, Pua Pali and Greg Javar, who gained first-hand experience monitoring...

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Volcano Watch — If it happened yesterday, it can happen tomorrow

Volcano Watch — If it happened yesterday, it can happen tomorrow

We've learned a lot about Kīlauea's explosive history in the last 15 years.

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Volcano Watch — Hawaii still rocks!

Volcano Watch — Hawaii still rocks!

On July 18, 2014, newspapers across the United States published a story titled "Quake risk rises for much of U.S."

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Volcano Watch — Five restless and erupting Alaska volcanoes keep scientists busy in June

Volcano Watch — Five restless and erupting Alaska volcanoes keep scientists busy in June

Do you want to know which volcanoes in the United States are erupting? Or which volcanoes are showing signs of activity which may lead to an eruption?

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Volcano Watch — Description of Kīlauea eruptions started at a very opportune time

Volcano Watch — Description of Kīlauea eruptions started at a very opportune time

William Ellis led a team of missionaries on a tour of the Island of Hawai‘i starting on July 18, 1823, from the village of Kailua. Their trip took...

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Volcano Watch — O-CO2, can you see by the dawn’s early light?

Volcano Watch — O-CO2, can you see by the dawn’s early light?

This year, two days before America’s Independence Day fireworks celebrations began, a remarkably different “rocket’s red glare” was seen at Vandenberg...

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Volcano Watch — A new lava flow begins as another ends

Volcano Watch — A new lava flow begins as another ends

For the past year, the Kahauale‘a 2 lava flow was erupting from a vent high on the northeast crater rim of Pu‘u ‘Ō‘ō, on Kīlauea's East Rift Zone...

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