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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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Photo and Video Chronology - Kīlauea - March 21, 2014

Photo and Video Chronology - Kīlauea - March 21, 2014

Kahauale‘a 2 flow and lava pond in Pu‘u ‘Ō‘ō remain active

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Volcano Watch — Is Mauna Loa due to erupt soon?

Volcano Watch — Is Mauna Loa due to erupt soon?

March 25 is the 30th anniversary of the most recent eruption of Mauna Loa, Hawai‘i island's largest volcano.

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Volcano Watch — Kīlauea's summit eruption is now six years old

Volcano Watch — Kīlauea's summit eruption is now six years old

Six years is a blink of an eye in geologic time, but it can fly by for people, too. In a way, it doesn't seem very long ago that the summit eruption...

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Photo and Video Chronology - Kīlauea - March 7, 2014

Photo and Video Chronology - Kīlauea - March 7, 2014

Kahauale‘a 2 flow still moving through forest northeast of Pu‘u ‘Ō‘ō, and a lava pond in Pu‘u ‘Ō‘ō

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Volcano Watch — A recap of the Kamoamoa fissure eruption on its third anniversary

Volcano Watch — A recap of the Kamoamoa fissure eruption on its third anniversary

March 5, 2014, marked the third anniversary of the onset of Kīlauea Volcano's four-day-long Kamoamoa fissure eruption. This brief episode marked the...

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Volcano Watch — A look at the inner workings of HVO’s seismic lab

Volcano Watch — A look at the inner workings of HVO’s seismic lab

Soon after a large earthquake occurs, the USGS Hawaiian Volcano Observatory publicizes the preliminary location and magnitude. Have you ever wondered...

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Volcano Watch — What lies beneath: The volume of Kīlauea's magma chambers

Volcano Watch — What lies beneath: The volume of Kīlauea's magma chambers

Ask a child to draw a volcano, and he or she will likely sketch a cone-shaped mountain erupting lava high into the air (with possibly a dinosaur or...

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Volcano Watch — Sled dogs slide by vigorous volcanoes

Volcano Watch — Sled dogs slide by vigorous volcanoes

While most football fans have recovered from Super Bowl XLVIII, the most exciting time of year is just beginning for sled-dog-racing enthusiasts. As...

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Photo and Video Chronology - Kīlauea - February 9, 2014

Photo and Video Chronology - Kīlauea - February 9, 2014

Time-lapse sequence of Halema‘uma‘u degassing plume

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Photo and Video Chronology - Kīlauea - February 20, 2014

Photo and Video Chronology - Kīlauea - February 20, 2014

Kahauale‘a 2 flow still active northeast of Pu‘u ‘Ō‘ō

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Photo and Video Chronology - Kīlauea - February 7, 2014

Photo and Video Chronology - Kīlauea - February 7, 2014

Lava flows remain active northeast of Pu‘u ‘Ō‘ō, and a lava pond in Pu‘u ‘Ō‘ō crater.

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Volcano Watch — The "official" month ends, but volcano awareness continues

Volcano Watch — The "official" month ends, but volcano awareness continues

The staff of the USGS Hawaiian Volcano Observatory (HVO) sends a big "mahalo" to everyone who attended our public presentations during Hawai‘i Island...

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