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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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April 10, 2019

Digital database of the geologic map of the middle east rift geothermal subzone, Kīlauea Volcano, Hawaiʻi

Digital database of the geologic map of the middle east rift geothermal subzone, Kīlauea Volcano, Hawaiʻi: USGS Data Series 1111

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April 8, 2019

Photo and Video Chronology - Kīlauea - April 8, 2019

Routine overflight of Kīlauea summit

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April 7, 2019

Photo and Video Chronology - Kīlauea - April 7, 2019

Volcano Watch: Probing volcanic air pollution

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April 4, 2019

Volcano Watch - Eruption pause provides an opportunity to probe volcanic pollution

The end of Kīlauea's 2018 eruption this past September was accompanied by an enormous decrease in the amount of sulfur dioxide gas (SO2) emitted from...

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April 2, 2019

Photo and Video Chronology - Kīlauea - April 2, 2019

Scientists watch for changes on and within Kīlauea

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March 31, 2019

Photo and Video Chronology - Kīlauea - March 31, 2019

Volcano Watch: "New outcrops make good geology"

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March 29, 2019

Photo and Video Chronology - Kīlauea - March 29, 2019

LERZ lava flow near Isaac Hale Beach Park

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March 28, 2019

Volcano Watch - New outcrops make good geology

A good field geologist is an opportunist. Never content with what outcrops are available, she jumps at the chance to see another one, hoping that it...

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March 27, 2019

Photo and Video Chronology - Mauna Loa - March 27, 2019

GPS station on Mauna Loa.

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March 27, 2019

Volcano Alert Level for Kīlauea lowered to NORMAL

On March 26, 2019, in response to reduced activity on the volcano, HVO lowered the Volcano Alert Level for Kīlauea's ground-based hazards from...

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March 26, 2019

New USGS Report: Undocumented late 18th- to early 19th-century volcanic eruptions in the Southwest Rift Zone of Kīlauea Volcano

Kīlauea's Southwest Rift Zone was more volcanically active in the late 18th- to early 19th-centurys than previously assumed.

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March 26, 2019

Video of 2018 UAS imagery

The 2018 Kīlauea Volcano lower East Rift Zone eruption was the first time Unmanned Aircraft Systems (UAS) were used by the Federal Government to...

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