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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 — If a picture is worth a thousand words, a geologic map is priceless

Volcano Watch — If a picture is worth a thousand words, a geologic map is priceless

Cartography, the art or science of making maps, is alive and well at the Hawaiian Volcano Observatory (HVO).

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Volcano Watch — What's Shaking Deep Under Hawai‘i?

Volcano Watch — What's Shaking Deep Under Hawai‘i?

Most people know that the Island of Hawai‘i has many earthquakes, including several every year that are strong enough to be felt. They are caused by...

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Volcano Watch — Pu‘u ‘Ō‘ō hits middle age—and it shows

Volcano Watch — Pu‘u ‘Ō‘ō hits middle age—and it shows

Kīlauea's East Rift Zone eruption surpassed 30 years of activity in January 2013. But this month marks the 30th anniversary of Pu‘u ‘Ō‘ō, which became...

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Volcano Watch — HVO looks to European colleagues for new strategies to track and model lava-flow hazards

Volcano Watch — HVO looks to European colleagues for new strategies to track and model lava-flow hazards

On May 28-30, 2013, two Hawaiian Volcano Observatory (HVO) scientists participated in a workshop on "Satellite-Data-Driven Detection, Tracking and...

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Volcano Watch — New studies help refine Kīlauea gas emission rates

Volcano Watch — New studies help refine Kīlauea gas emission rates

There are times when the USGS motto, "Science for a Changing World," seems to be specifically crafted to describe studies at Hawaiian volcanoes.

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Volcano Watch — Risky actions at Kīlauea's ocean entry are cause for concern

Volcano Watch — Risky actions at Kīlauea's ocean entry are cause for concern

Most of us feel fortunate if we never go near a dangerous battlefield. Yet, dozens, if not hundreds, of people are knowingly—or unwittingly—doing just...

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Volcano Watch — New scientific results mark 5th anniversary of eruption of Chaitén Volcano, Chile

Volcano Watch — New scientific results mark 5th anniversary of eruption of Chaitén Volcano, Chile

Some volcanic eruptions have a much higher overall impact on society than others.

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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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Volcano Watch — The Hawaiian Volcano Observatory thanks the unsung champions of maintenance

Volcano Watch — The Hawaiian Volcano Observatory thanks the unsung champions of maintenance

Most successful organizations are supported by a cadre of dedicated and skilled staff who work largely "behind the scenes" to maintain the field...

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Volcano Watch — Kīlauea Iki—the first Kīlauea eruption of the modern monitoring era

Volcano Watch — Kīlauea Iki—the first Kīlauea eruption of the modern monitoring era

Over the past three weeks, we've discussed some of the most scientifically important eruptions to have occurred in Hawai‘i since the 1912 founding of...

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