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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 — Episode 51 stops, 52 begins at Kīlauea Volcano

Volcano Watch — Episode 51 stops, 52 begins at Kīlauea Volcano

Episode 51 of the nine-year long eruption along Kīlauea Volcano's East Rift Zone stopped by 4:00 p.m. Thursday afternoon. As we forecast last Sunday...

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Volcano Watch — Kīlauea has busy week; new episode begins

Volcano Watch — Kīlauea has busy week; new episode begins

The nine-year long eruption along the East Rift Zone of Kīlauea Volcano took two dramatic turns this past week, but ended up nearly where it started. ...

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Volcano Watch — Newest episode likely to stop flowing in weeks

Volcano Watch — Newest episode likely to stop flowing in weeks

Episode 50 began about 7:30 p.m. on Feb. 17 from a small fissure just southwest of the Pu`u `O`o cone. By the 19th, only about 100 feet of the...

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Volcano Watch — Kupaianaha vent appears to be winding down

Volcano Watch — Kupaianaha vent appears to be winding down

Since at least April 1991, the volume of lava erupted from the Kupaianaha vent has steadily declined. Since late November, the remaining lava flows...

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Volcano Watch — Mauna Loa comes under military-style surveillance

Volcano Watch — Mauna Loa comes under military-style surveillance

The internal workings of Mauna Loa Volcano will be probed from space starting this week by a satellite system designed to track military vehicles...

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Volcano Watch — Kīlauea Volcano divided into lava-risk zones

Volcano Watch — Kīlauea Volcano divided into lava-risk zones

Kīlauea is the world's most active volcano. About 70% of Kīlauea's surface is covered by lava less than 500 years old and over 90% is covered by lava...

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Volcano Watch — The Big Island is sinking under weight of volcano

Volcano Watch — The Big Island is sinking under weight of volcano

A magnitude 3.8 earthquake occurred about 15 miles beneath Mauna Kea Volcano at 1:48 a.m. on January 21. Similar deep earthquakes occur persistently...

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Volcano Watch — Earthquakes swarm beneath Kīlauea Volcano

Volcano Watch — Earthquakes swarm beneath Kīlauea Volcano

The most notable event on Kīlauea Volcano this past week was a swarm of small earthquakes, mainly on January 13. This swarm included two earthquakes...

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Volcano Watch — East Rift eruption continues at low, steady level

Volcano Watch — East Rift eruption continues at low, steady level

The eruption on the East Rift Zone of Kīlauea Volcano continues with low-volume, steady effusion of lava from the breakout at about the 1,900-foot...

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Volcano Watch — Eruption's 10th year begins

Volcano Watch — Eruption's 10th year begins

Nine years ago on January 3, 1983, the ongoing eruption on the East Rift Zone of Kīlauea Volcano began when a discontinuous 3.7-mile long series of...

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Volcano Watch — Scientists predicting lava flow shift from Kupaianaha vent

Volcano Watch — Scientists predicting lava flow shift from Kupaianaha vent

Kīlauea Volcano continues to erupt from the Kupaianaha vent on the East Rift Zone. The volume of lava moving down the Waha`ula lava tube from the...

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Volcano Watch — Earthquake swarm felt at Lo`ihi seamount

Volcano Watch — Earthquake swarm felt at Lo`ihi seamount

During a typical week, 300-400 located earthquakes occur beneath the Big Island, as recorded on the U.S. Geological Survey's seismic network. However...

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