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Volcano Watch — Beware Kīlauea's new land—not exactly terra firma?

Volcano Watch — Beware Kīlauea's new land—not exactly terra firma?

Kīlauea Volcano has been erupting nearly continuously for the past 6,068 days since activity started on January 3, 1983. Lava first entered the ocean...

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Volcano Watch — Explosions from Kīlauea in the 16th to 18th centuries

Volcano Watch — Explosions from Kīlauea in the 16th to 18th centuries

How long do explosive periods last at Kīlauea? Early researchers concluded that the Keanakako`i Ash—the rocky deposits on the ground surface around...

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Volcano Watch — Here today, gone to Maui

Volcano Watch — Here today, gone to Maui

All of sudden, there's an earthquake...or was it an earthquake? Where was it? How big was it? Does it signal the start of an eruption or magma shiftin...

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Volcano Watch — Unusual events of March-April 1868

Volcano Watch — Unusual events of March-April 1868

On Friday, March 27, 1868, at 5:30 a.m., several whaling ships anchored in Kawaihae Harbor noticed a dense column of fume reflected by a bright light...

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Volcano Watch — Small mammal predators invade Hawai‘i

Volcano Watch — Small mammal predators invade Hawai‘i

The islands of the Pacific are some of the most isolated in the world and have produced distinct floras and faunas. Endemism, whereby plants and...

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Volcano Watch — Coastal steam plume likely but not constant sight

Volcano Watch — Coastal steam plume likely but not constant sight

Visitors to the Big Island's southeast coast commonly see a steam plume, the telltale sign that Kīlauea's eruption is sending lava into the ocean.

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Volcano Watch — What is a volcano—Shape is unimportant and even misleading basis for defining a volcano

Volcano Watch — What is a volcano—Shape is unimportant and even misleading basis for defining a volcano

Many readers know that the island of Hawai`i is made of five volcanoes—Kīlauea, Mauna Loa, Hualālai, Mauna Kea, and Kohala. 

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Volcano Watch — Hawaiian students help to study Kīlauea

Volcano Watch — Hawaiian students help to study Kīlauea

Each summer, staff members of the Hawaiian Volcano Observatory have participated in student training programs with the University of Hawaii at Hilo...

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Volcano Watch — Felt earthquakes In June

Volcano Watch — Felt earthquakes In June

Two magnitude-4.4 earthquakes rocked the Big Island this month. The first occurred on June 3 and was located 13 km (7.8 mi) east of Waimea at a depth...

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Volcano Watch — A volcanologist's commute

Volcano Watch — A volcanologist's commute

If you ask volcanologists what the most dangerous part of their job is, they are likely to answer, "flying in helicopters."

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Volcano Watch — Carl Thornber leaves HVO

Volcano Watch — Carl Thornber leaves HVO

Over the years HVO has attempted to maintain its scientific energy, enthusiasm, and insights by melding a permanent staff with a smaller cadre of...

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Volcano Watch — Pāhoehoe and ‘a‘ā lava flows

Volcano Watch — Pāhoehoe and ‘a‘ā lava flows

Lava flows are one of the most common hazards produced by active volcanoes. Here in Hawai`i, they may endanger property but seldom endanger people's...

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