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Volcano Watch — Most active seismic zone in the nation here

Volcano Watch — Most active seismic zone in the nation here

Nearly everyone on the island of Hawai`i should have felt an earthquake this past week. As the accompanying map shows, Hawai`i was rattled by 11...

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Volcano Watch — Episode 51 continuing

Volcano Watch — Episode 51 continuing

The eruption from the episode 51 vents, located on the west flank of the Pu`u `O`o cone on the East Rift Zone of Kīlauea Volcano, continues with...

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Volcano Watch — Galeras, Mauna Loa, Decade Volcanoes

Volcano Watch — Galeras, Mauna Loa, Decade Volcanoes

On Thursday an explosion in the crater of Galeras Volcano in Colombia killed six volcanologists attending an international workshop attended by more...

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Volcano Watch — Kīlauea: a youngster among world's active volcanoes

Volcano Watch — Kīlauea: a youngster among world's active volcanoes

One of the main impediments to predicting the future behavior of Kīlauea and especially Mauna Loa Volcanoes is the short historical record of each...

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Volcano Watch — A volcano that just keeps rolling along: Hawaiian Volcano Observatory tracks eruption's phases

Volcano Watch — A volcano that just keeps rolling along: Hawaiian Volcano Observatory tracks eruption's phases

The Pu`u `O`o-Kupaianaha eruption now ranks as the longest-lived historic eruption on the East Rift Zone and the most destructive in Kīlauea's recent...

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Volcano Watch — Underwater East Rift exploration reveals a few surprises

Volcano Watch — Underwater East Rift exploration reveals a few surprises

The East Rift Zone of Kīlauea Volcano is 130 kilometers long, but only 55 kilometers of the rift is above sea level. The lower 75 kilometers of the...

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Volcano Watch — Rockfalls alter size and shape of Halema`uma`u Crater

Volcano Watch — Rockfalls alter size and shape of Halema`uma`u Crater

For the past 10 years, most of the evident changes on Kīlauea Volcano have occurred down the east rift zone near and downslope from the Pu`u `O`o and...

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Volcano Watch — Lava explodes into the sea at Kamoamoa

Volcano Watch — Lava explodes into the sea at Kamoamoa

Lava erupted from the episode 51 vents has been entering the sea at Kamoamoa since November 8. On Tuesday, a new phenomenon was observed. 

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Volcano Watch — Lava continues to flow near Kamoamoa

Volcano Watch — Lava continues to flow near Kamoamoa

The eruption from the episode 51 vents has continued without interruption since October 2. The flows crossed the Chain of Craters Road near Kamoamoa...

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Volcano Watch — Volcano watchers should beware

Volcano Watch — Volcano watchers should beware

The eruption from the episode 51 vents has continued without interruption since October 2. The flows have now advanced to within 300 feet of the Chain...

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Volcano Watch — Ten-year lava flow from Kīlauea's episode 51 continues

Volcano Watch — Ten-year lava flow from Kīlauea's episode 51 continues

The 10-year long eruption of Kīlauea Volcano continues from the episode 51 vents located on the west flank of the Pu`u `O`o cone. The flows advanced...

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Volcano Watch — HVO making long-range forecasts

Volcano Watch — HVO making long-range forecasts

The Hawaiian Volcano Observatory studies mainly the current activity of Hawai`i's volcanoes, and our eruption forecasts are limited to the short-term...

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