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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.

Filter Total Items: 1785
Volcano Watch — Are future eruptions possible west of the Island of Hawai‘i?

Volcano Watch — Are future eruptions possible west of the Island of Hawai‘i?

Do you, like most people, think that eruptions in Hawaii are confined to the Island of Hawai‘i? If so, you may be surprised to learn that Haleakalā...

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Volcano Watch — Volcano monitoring in lower Puna: Recent vandalism and a way to help

Volcano Watch — Volcano monitoring in lower Puna: Recent vandalism and a way to help

At the Hawaiian Volcano Observatory (HVO), we continuously strive to improve our capability to monitor the volcanoes that we live upon.

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Volcano Watch — Study of Kīlauea's 1924 explosive eruption resembles a CSI

Volcano Watch — Study of Kīlauea's 1924 explosive eruption resembles a CSI

Sometimes a geologic study resembles a crime scene investigation (CSI), as seen on TV. You piece together information from eyewitnesses and compare it...

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Volcano Watch — NetQuakes—Extending seismic monitoring with citizen science

Volcano Watch — NetQuakes—Extending seismic monitoring with citizen science

At 9:28 a.m., HST, on April 3, 2013, the Hawaiian Volcano Observatory's (HVO) seismographic network recorded a magnitude-3.2 earthquake. This...

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Volcano Watch — Crystals tell us a lot about Kīlauea's ongoing eruption

Volcano Watch — Crystals tell us a lot about Kīlauea's ongoing eruption

Petrology, the study of the origin, or genesis, of rocks, is an important aspect of our multi-faceted approach to monitoring the current eruptions of...

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Volcano Watch — An increase in Kīlauea's eruptive "pulse" spawns the Kahauale‘a flow

Volcano Watch — An increase in Kīlauea's eruptive "pulse" spawns the Kahauale‘a flow

Over the past six months, the pace of Kīlauea's 30-year-long ongoing eruption has quickened. This follows the quietest period—spanning most of 2012—of...

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Volcano Watch — Super models help with volcano monitoring

Volcano Watch — Super models help with volcano monitoring

No, Tyra Banks hasn't been helping HVO install monitoring equipment at Kīlauea. We're talking about using computer models to investigate what is...

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Volcano Watch — Kīlauea's summit eruption in Halema‘uma‘u is nearly five years old

Volcano Watch — Kīlauea's summit eruption in Halema‘uma‘u is nearly five years old

It wasn't too long ago that tour buses shuttled hundreds of visitors a day to the Halema‘uma‘u parking lot.

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Volcano Watch — Looking back at the Kamoamoa fissure eruption

Volcano Watch — Looking back at the Kamoamoa fissure eruption

March 5, 2013, marked the 2nd anniversary of the start of the Kamoamoa fissure eruption on Kīlauea Volcano's East Rift Zone. This small, but...

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Volcano Watch — What would we expect during an eruption on Kīlauea's Southwest Rift Zone?

Volcano Watch — What would we expect during an eruption on Kīlauea's Southwest Rift Zone?

The Southwest Rift Zone (SWRZ) of Kīlauea is often overlooked as a source of eruptions, because the volcano's East Rift Zone is so much more active...

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Volcano Watch — How can melt inclusions help us understand Kīlauea's plumbing system?

Volcano Watch — How can melt inclusions help us understand Kīlauea's plumbing system?

Understanding how the chemical composition of magma changes before an eruption occurs is not an easy task. A sample of lava erupted at the surface...

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Volcano Watch — All sorts of gifts come in all sorts of packages

Volcano Watch — All sorts of gifts come in all sorts of packages

A tradition each year on Valentine's Day is the exchange of gifts.

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