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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 — Remembering the Thanksgiving Eve Breakout from 2007

Volcano Watch — Remembering the Thanksgiving Eve Breakout from 2007

Recall this lava flow crisis from years ago: lava breaks out of the normal confines of the long-lived Puʻu ʻŌʻō eruption, with flows advancing...

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Volcano Watch — How has topography been modeled at Hawaii’s volcanoes?

Volcano Watch — How has topography been modeled at Hawaii’s volcanoes?

In volcano-related cartography and geographic analyses, especially in Hawaii, there is perhaps nothing more important than having an accurate digital...

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Volcano Watch — Kīlauea’s key—Using Hawaiian eruptions to understand volcanism in northern California

Volcano Watch — Kīlauea’s key—Using Hawaiian eruptions to understand volcanism in northern California

The U.S. Geological Survey (USGS) has 5 volcano observatories tasked with monitoring low to high threat volcanoes throughout the United States. 

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Volcano Watch — Innovative Monitoring of Kīlauea’s Summit Water Lake

Volcano Watch — Innovative Monitoring of Kīlauea’s Summit Water Lake

Famous for glowing red lava and billowing volcanic plumes, Halema‘uma‘u has long inspired poets, painters and photographers to find meaning in the...

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Volcano Watch — Seismic Swarms and Sulfur Smells: What is Happening at Kīlauea Volcano?

Volcano Watch — Seismic Swarms and Sulfur Smells: What is Happening at Kīlauea Volcano?

On the evening of Thursday, October 22nd, people living near the summit of Kīlauea Volcano began to feel a series of earthquakes.  They were small...

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Volcano Watch — Charcoal, a game changer for understanding processes in young volcanic terraines

Volcano Watch — Charcoal, a game changer for understanding processes in young volcanic terraines

One of the fundamental premises of geology is that the "key to understanding the future is to understand the past."  In order to forecast how a...

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Volcano Watch — Crack team of geologists measure the Koa‘e fault system

Volcano Watch — Crack team of geologists measure the Koa‘e fault system

The Koa‘e fault system connects Kīlauea’s East and Southwest Rift Zones south of the caldera. Faults here appear as low cliffs, or “scarps” along...

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Volcano Watch — Join the Statewide Earthquake Preparedness Drill on 10/15 at 10:15

Volcano Watch — Join the Statewide Earthquake Preparedness Drill on 10/15 at 10:15

Major earthquakes cannot be predicted. Successful earthquake predictions need to have three things correct: the location, the time, and the magnitude...

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Volcano Watch — That didn’t feel like a Magnitude-4? What do earthquake measurements mean?

Volcano Watch — That didn’t feel like a Magnitude-4? What do earthquake measurements mean?

Residents on the Island of Hawaiʻi are accustomed to feeling earthquakes. As the ground shaking subsides and the safety of everyone around is assured...

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Volcano Watch — HVO’s new website is more accessible and mobile-friendly

Volcano Watch — HVO’s new website is more accessible and mobile-friendly

You may have seen the Yellowstone Volcano Observatory’s “Caldera Chronicles” article about their new-and-improved website, in which they hint at a...

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Volcano Watch — HVO camera network reconfiguration and upgrades coming soon!

Volcano Watch — HVO camera network reconfiguration and upgrades coming soon!

Over the past two decades, the USGS Hawaiian Volcano Observatory (HVO) has set up a camera network system to monitor visual changes at Kīlauea and...

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Volcano Watch — On the surface of Kīlauea's new landscape, a story is told

Volcano Watch — On the surface of Kīlauea's new landscape, a story is told

Kīlauea's 2018 summit collapse dramatically transformed the geometry and appearance of Halema‘uma‘u crater and Kīlauea caldera. Last week's "Volcano...

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