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Volcano Watch

Volcano Watch is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory scientists and affiliates. 

The USGS Hawaiian Volcano Observatory will not publish Volcano Watch articles during the lapse in federal government appropriations. 

Filter Total Items: 1752
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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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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Volcano Watch — New satellite data will help to monitor deformation of Hawaiian volcanoes

Volcano Watch — New satellite data will help to monitor deformation of Hawaiian volcanoes

For the last several years, scientists at the Hawaiian Volcano Observatory (HVO) have made use of a satellite-monitoring method called InSAR, which...

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Volcano Watch — Rogue waves: The Big Kahuna of Earth's oceans

Volcano Watch — Rogue waves: The Big Kahuna of Earth's oceans

Disaster movie fans may remember the 2000 film "The Perfect Storm," in which economic hardship drives a fishing boat to risk a late-season expedition...

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Volcano Watch — How much warning should we expect before big eruptions?

Volcano Watch — How much warning should we expect before big eruptions?

How long is the warning between the first rumblings of a volcano and its eruption? This haunting question was raised anew with the eruption of the...

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Volcano Watch — A new book reintroduces old terminology

Volcano Watch — A new book reintroduces old terminology

There's a new volcanology book available from a Hawai‘i-based volcanologist, the first in almost 40 years.

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Volcano Watch — Pushing the monitoring envelope

Volcano Watch — Pushing the monitoring envelope

Like other volcano observatories, HVO devotes most of its resources to volcano monitoring, using time-tested methods that have been found to deliver...

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Volcano Watch — Dramatic volcanoes of island archipelagos rock, roll, and erupt

Volcano Watch — Dramatic volcanoes of island archipelagos rock, roll, and erupt

Anyone looking at a map of the Pacific cannot help but be astounded by the feat of the first Polynesian navigators to these isolated islands of Hawai...

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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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Volcano Watch — Ken Honma retires from HVO after almost 40 years of service

Volcano Watch — Ken Honma retires from HVO after almost 40 years of service

Last week, Ken Honma bid farewell to friends and colleagues at the Hawaiian Volcano Observatory (HVO) as he retired from a U.S. Geological Survey...

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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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Volcano Watch — More rattling from last Sunday

Volcano Watch — More rattling from last Sunday

The bits of dust kicked up by last Sunday's magnitude-3.6 earthquake south of O‘ahu have settled.

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