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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 — 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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Volcano Watch — Seismic noise—once overlooked—becomes important volcano monitoring tool

Volcano Watch — Seismic noise—once overlooked—becomes important volcano monitoring tool

Footsteps. Jumping up and down. Wind, machinery, traffic, surf. Many things shake the ground.

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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 — Life-sustaining habitats on Mars: science, fiction, or fantasy?

Volcano Watch — Life-sustaining habitats on Mars: science, fiction, or fantasy?

E.T., the stranded alien botanist from the blockbuster 1982 movie, may have been the most popular extraterrestrial in recent history; but he had no...

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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 — New task force charged with evaluating aviation procedures for volcanic ash

Volcano Watch — New task force charged with evaluating aviation procedures for volcanic ash

The eruption of Iceland's Eyjafjallajökull volcano in April created what has been called the worst disruption of European and global air transport...

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Volcano Watch — Kahuku: Where lava flows and cow pastures coexist

Volcano Watch — Kahuku: Where lava flows and cow pastures coexist

In 2003, almost two-thirds of the Kahuku Ranch in south Hawai‘i Island was purchased by the Nature Conservancy and Hawai‘i Volcanoes National Park...

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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 — The story behind the "Volcano Watch" columns

Volcano Watch — The story behind the "Volcano Watch" columns

"Volcano Watch is a weekly article and activity update written by scientists at the U.S. Geological Survey's Hawaiian Volcano Observatory." These...

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