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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 — Seismic event devastated Ka‘ū 150 years ago

Volcano Watch — Seismic event devastated Ka‘ū 150 years ago

This week marks 150 years since the largest earthquake to strike Hawaii in the last two centuries. Estimated to have been at least magnitude-7.9, this...

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Photo and Video Chronology - Kīlauea - March 27, 2018

Photo and Video Chronology - Kīlauea - March 27, 2018

Pu‘u ‘Ō‘ō and episode 61g flow

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USGS scientist talks about his work at Halema'uma'u Crater for USGS Volcanoes Facebook Live event.

USGS scientist talks about his work at Halema'uma'u Crater for USGS Volcanoes Facebook Live event.

For the 10th anniversary of Kīlauea Volcano's summit eruption, USGS–Hawaiian Volcano Observatory research geologist Matt Patrick talks about his work...

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Photo and Video Chronology - Kīlauea - March 26, 2018

Photo and Video Chronology - Kīlauea - March 26, 2018

Small lava flow and pond spattering within Pu‘u ‘Ō‘ō
 

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Report provides volcanological context for 19th century artwork.

Report provides volcanological context for 19th century artwork.

In this new USGS Open-File Report, artwork is matched with the approximate date and volcanological context of the scene, showing eruptions at Kīlauea...

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Volcano Watch — Antarctic-volcano radar system visits Halema‘uma‘u

Volcano Watch — Antarctic-volcano radar system visits Halema‘uma‘u

A recent issue of Volcano Watch [https://volcanoes.usgs.gov/hvo/hvo_volcano_watch.html?vwid=1232] looked at what the level of the lava lake within...

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Photo and Video Chronology - Kīlauea - March 19, 2018

Photo and Video Chronology - Kīlauea - March 19, 2018

10th anniversary of Kīlauea volcano's summit eruption
 

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Photo and Video Chronology - Mauna Loa - March 16, 2018

Photo and Video Chronology - Mauna Loa - March 16, 2018

On March 14, HVO's webcam [MLcam] captured this image of a double rainbow.

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Photo and Video Chronology - Kīlauea - March 15, 2018

Photo and Video Chronology - Kīlauea - March 15, 2018

Small rockfall and explosion at Kīlauea Volcano's summit lava lake
 

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Volcano Watch — Kīlauea Volcano’s summit eruption is now a decade old

Volcano Watch — Kīlauea Volcano’s summit eruption is now a decade old

A little more than ten years ago, conditions around Kīlauea Volcano's summit were much different than today. The caldera floor was open to the public...

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New USGS publication: Operational tracking of lava lake surface motion at Kīlauea Volcano, Hawai‘i

New USGS publication: Operational tracking of lava lake surface motion at Kīlauea Volcano, Hawai‘i

This study implements the first continuous, real-time operational routine for tracking lava lake surface motion, applying the technique to the...

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Volcano Watch — Is the current summit eruption a return to Kīlauea Volcano's past?

Volcano Watch — Is the current summit eruption a return to Kīlauea Volcano's past?

To set the stage for next week's Volcano Watch about the upcoming anniversary of Kīlauea Volcano's current summit eruption, this week we revisit the...

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