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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. 

Filter Total Items: 1779
Volcano Watch — Geologic hazards on Maui

Volcano Watch — Geologic hazards on Maui

Much has been said in past columns about the volcanic and seismic hazards on the Big Island, but what about the hazards on the other islands?

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Volcano Watch — Kīlauea has its faults

Volcano Watch — Kīlauea has its faults

Visitors to the lava viewing area at the end of the Chain of Craters road in Hawai`i Volcanoes National Park travel over one of the largest fault...

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Volcano Watch — Kīlauea eruption status and shoreline hazard

Volcano Watch — Kīlauea eruption status and shoreline hazard

The eruption on Kīlauea's east rift zone has continued with little change since mid-summer. Lava issues at a rate of 6 cubic yards per second from a...

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Volcano Watch — A Mauna Loa SW rift eruption 240 years ago

Volcano Watch — A Mauna Loa SW rift eruption 240 years ago

William D. Westervelt, in his 1916 book "Hawaiian Legends of Volcanoes", recounted a story about the origin of the two hills called "Na Pu`u a Pele,"...

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Volcano Watch — Monitoring volcano movements with satellites

Volcano Watch — Monitoring volcano movements with satellites

The shape of active volcanoes is constantly changing. Large movements occur during dike intrusions, large earthquakes, or landslides. 

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Volcano Watch — Hawaii Scientific Drilling Project

Volcano Watch — Hawaii Scientific Drilling Project

Early last week, C. Barry Raleigh, Dean of the School of Ocean and Earth Science and Technology at the University of Hawaii, Manoa, announced that the...

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Volcano Watch — Iceland's subglacial eruption

Volcano Watch — Iceland's subglacial eruption

While scientists in Hawaii have been investigating the recent activity of Lō‘ihi Volcano beneath 3000 ft of seawater, in Iceland they're watching an...

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Volcano Watch — Pavlof Volcano, Alaska

Volcano Watch — Pavlof Volcano, Alaska

USGS geologist Tina Neal reports from HVO's sister observatory in Anchorage (AVO) that Pavlof, the recently awakened volcano at the tip of Alaska...

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Volcano Watch — More submersible work on Lō‘ihi

Volcano Watch — More submersible work on Lō‘ihi

Scientists from the University of Hawai`i at Manoa are once again engaged in a research cruise over Lo`ihi, the submarine volcano southeast of the...

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Volcano Watch — The three U.S. Volcano Observatories

Volcano Watch — The three U.S. Volcano Observatories

The U.S. Geological Survey's Volcano Hazards Program funds the operations of three volcano observatories in the United States. They are the Hawaiian...

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Volcano Watch — Eruption status and shoreline hazards

Volcano Watch — Eruption status and shoreline hazards

The current Kīlauea East Rift Zone eruption, which began in January 1983, continues without significant changes. 

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Volcano Watch — Geologic hazards

Volcano Watch — Geologic hazards

The primary mission of the Hawaiian Volcano Observatory (HVO) is to evaluate earthquake and volcanic hazards and provide timely information to the...

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Volcano Watch — Lava tubes

Volcano Watch — Lava tubes

Lava flows can travel long distances if they develop insulating conduits for transporting fresh molten lava to the flowfront. These conduits are, of...

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Volcano Watch — Volcanic gases provide clues to how volcanoes work

Volcano Watch — Volcanic gases provide clues to how volcanoes work

In a double handful of molten magma (weighing about a pound), there is less than a tenth of an ounce, by weight, of dissolved gas—roughly the same...

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Volcano Watch — Growth of Lō‘ihi Seamount

Volcano Watch — Growth of Lō‘ihi Seamount

Floating hydrophones and sonobuoys recorded the crackling and grinding noises that are often indicative of an ongoing submarine eruption, but the...

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Volcano Watch — Submersible studies of Lo`ihi Seamount

Volcano Watch — Submersible studies of Lo`ihi Seamount

In response to the intense off-shore earthquake swarm that began on July 16, scientists at the University of Hawaii (UH) received funding for a...

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Volcano Watch — A massive earthquake swarm at Lo`ihi Seamount

Volcano Watch — A massive earthquake swarm at Lo`ihi Seamount

It was only 42 years ago that Lo`ihi and four other seamounts were discovered during a bathymetric survey of the area south and southeast of the Big...

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Volcano Watch — Measuring the mountains: Ground deformation of Hawaii's volcanoes

Volcano Watch — Measuring the mountains: Ground deformation of Hawaii's volcanoes

The ground's surface around the active Hawaiian volcanoes Kīlauea and Mauna Loa is constantly changing. Lava flows laminate their sides during active...

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Volcano Watch — Steaming vents at Kīlauea: Stay on the trails!

Volcano Watch — Steaming vents at Kīlauea: Stay on the trails!

On Wednesday, July 17, a 10-year-old boy slipped into a large crack in the Sulphur Banks - Steaming Flats area of Hawaii Volcanoes National Park...

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Volcano Watch — Kīlauea eruption status: the lava keeps on flowing

Volcano Watch — Kīlauea eruption status: the lava keeps on flowing

The 13-year-old eruption along Kīlauea's East Rift Zone has continued unabated since the pause from May 30 to June 4. Over a period of 18 hours on May...

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Volcano Watch — Lava still flowing and isle keeps growing...

Volcano Watch — Lava still flowing and isle keeps growing...

The long-standing eruption of Kīlauea Volcano continues unabated this week as lava tubes spill 14 million cubic feet of lava per day into the ocean at...

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