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Volcano Watch — Revisiting the 1919–1920 Mauna Iki eruption

Volcano Watch — Revisiting the 1919–1920 Mauna Iki eruption

Shortly after dark on December 16, 1919, a bright meteor streaked over Kīlauea like a fireball and exploded southwest of the summit. The concussion—a...

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Volcano Watch — Halema‘uma‘u lava lake spectacularly disappears in 1923

Volcano Watch — Halema‘uma‘u lava lake spectacularly disappears in 1923

The lava lake deep within Kīlauea's currently active summit vent is known for being a bit capricious.

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Volcano Watch — Sand dunes on Kīlauea are related to past explosive eruptions

Volcano Watch — Sand dunes on Kīlauea are related to past explosive eruptions

Many people visit the Footprints Area on the southwest rift zone of Hawai‘i Volcanoes National Park. If lucky, they find human footprints indenting a...

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USGS HVO Press Release — Magnitude-4.3 Earthquake between Maui and Kaho‘olawe

USGS HVO Press Release — Magnitude-4.3 Earthquake between Maui and Kaho‘olawe

A magnitude-4.3 earthquake occurred at 6:34 p.m., H.S.T., on Tuesday, November 23, and was located between Makena, Maui, and Kaho‘olawe at an...

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Volcano Watch — Kalapana lava delta collapsed last week

Volcano Watch — Kalapana lava delta collapsed last week

The Puhi-o-Kalaikini lava delta in Kalapana abruptly shed its western edge last week—no injuries or deaths this time. The Puhi-o-Kalaikini lava delta...

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Volcano Watch — Mirror, mirror, on the wall, who's the hottest of them all?

Volcano Watch — Mirror, mirror, on the wall, who's the hottest of them all?

Hawai‘i is the quintessential "hotspot." The geologic definition of a "hotspot" is that region of the Earth beneath an area that has experienced high...

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Volcano Watch — Death Happens: Respect coastal entry hazards and stay alive

Volcano Watch — Death Happens: Respect coastal entry hazards and stay alive

Humans seem to have a limited ability to remember disasters. Some researchers who study disaster preparedness and risk mitigation speculate that...

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Volcano Watch — Kīlauea's 1934 eruption: An exciting interlude between years of volcanic quiet

Volcano Watch — Kīlauea's 1934 eruption: An exciting interlude between years of volcanic quiet

Seventy-six years ago—on October 8, 1934—a 33-day-long eruption in Halema‘uma‘u Crater came to an end. This eruption began after almost three years of...

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Volcano Watch — Several ongoing eruptions have lasted longer than Kīlauea's

Volcano Watch — Several ongoing eruptions have lasted longer than Kīlauea's

It may surprise some readers that the Pu‘u ‘Ō‘ō eruption, now halfway through its 28th year of almost continuous activity, is not the longest-running...

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Photo and Video Chronology - Kīlauea - July 31, 2010

Photo and Video Chronology - Kīlauea - July 31, 2010

More devastated forest and awesome views of ocean entry

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Photo and Video Chronology - Kīlauea - July 30, 2010

Photo and Video Chronology - Kīlauea - July 30, 2010

Composite image showing the active flow front in Kalapana

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Volcano Watch — "Kalapana Gardens home lost to lava, 2nd periled"

Volcano Watch — "Kalapana Gardens home lost to lava, 2nd periled"

Most readers will see the headline and think it refers to events in Kalapana this past week. The title is actually from a back page story in the...

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