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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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Volcano Watch — Quake starts Kīlauea off on a busy two weeks

Volcano Watch — Quake starts Kīlauea off on a busy two weeks

The last two weeks have been particularly busy on Kīlauea Volcano. On October 2, starting about 3:30 p.m., the tremor near Pu`u `O`o began to increase...

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Volcano Watch — Next Mauna Loa eruption likely at summit

Volcano Watch — Next Mauna Loa eruption likely at summit

Over the years, scientists at the Hawaiian Volcano Observatory have developed good techniques for short-term eruption predictions (a few hours to a...

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Volcano Watch — New map defines lava flow hazard zones on the Big Island

Volcano Watch — New map defines lava flow hazard zones on the Big Island

The U.S Geological Survey has recently published a new, full-sized map which defines the boundaries of nine lava flow hazard zones on the island. This...

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Volcano Watch — Eyewitness accounts tell terror of huge quake in 1868

Volcano Watch — Eyewitness accounts tell terror of huge quake in 1868

Residents of Pahala felt a small earthquake (magnitude 3.7) at 10:22 p.m. on September 10. This earthquake was located a few miles northwest of the...

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Volcano Watch — What happens when all that lava flows to the surface?

Volcano Watch — What happens when all that lava flows to the surface?

"With all the lava being erupted, is there a large, empty space within the Earth where the lava came from?" This is a frequent question answered by...

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Volcano Watch — Kīlauea vents active but lava has slowed

Volcano Watch — Kīlauea vents active but lava has slowed

The episode 51 vents have been continuously active since early in the morning on July 27. The active vents are located just west of the Pu`u `O`o...

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Volcano Watch — Lava unlocks subterranean mysteries

Volcano Watch — Lava unlocks subterranean mysteries

To the non-geologist, lava is hot, orange molten rock, or when cooled, smooth and gray, or black and jagged rock. However, to the geologist or...

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Volcano Watch — How are lava measurements made?

Volcano Watch — How are lava measurements made?

Kīlauea's ongoing eruption from the episode 51 vents resumed on Aug. 15 after a four-day pause in the activity and reoccupied the tube system down to...

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Volcano Watch — HVO scientists to study hydro fluids

Volcano Watch — HVO scientists to study hydro fluids

The Hawaiian Volcano Observatory's primary purpose is to understand how volcanic systems operate. All of the work we do in defining geological hazards...

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Volcano Watch — Episode 51 vents become active again

Volcano Watch — Episode 51 vents become active again

The episode 51 vents once again became active early Monday morning after a brief pause since the previous Thursday morning. Prior to this last pause...

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Volcano Watch — Kīlauea's episode 51 finally calls it quits

Volcano Watch — Kīlauea's episode 51 finally calls it quits

After being in continuous eruption since Sunday, June 21, the episode 51 vents adjacent to Pu`u `O`o on the East Rift Zone of Kīlauea Volcano finally...

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