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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: 1765
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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Volcano Watch — Mauna Ulu—an opportunity to study a long-lived rift zone eruption

Volcano Watch — Mauna Ulu—an opportunity to study a long-lived rift zone eruption

This week, we continue our series of articles describing the most scientifically important volcanic eruptions in Hawai‘i in recent times. Today's...

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Volcano Watch — Mauna Loa's 1984 eruption taught us much about how lava flows work

Volcano Watch — Mauna Loa's 1984 eruption taught us much about how lava flows work

In recognition of Volcano Awareness Month (January 2013), this column explores some of the most scientifically important eruptions to have occurred in...

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Volcano Watch — Kīlauea's current eruption is a natural laboratory for volcanologists

Volcano Watch — Kīlauea's current eruption is a natural laboratory for volcanologists

Welcome to the 4th annual Volcano Awareness month!

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Volcano Watch — Kīlauea's ongoing Pu‘u ‘Ō‘ō eruption turns 30

Volcano Watch — Kīlauea's ongoing Pu‘u ‘Ō‘ō eruption turns 30

January 3, 2013, marks the 30th anniversary of Kīlauea's ongoing Pu‘u ‘Ō‘ō eruption. Simplifying the past three decades into a single short article...

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Volcano Watch — The Kīlauea Visit that was a Prelude to Revolution

Volcano Watch — The Kīlauea Visit that was a Prelude to Revolution

To the scientists who monitor the Pu‘u ‘Ō‘ō crater, the scene in this photo seems familiar. A rising lava lake forms a symmetrical, perched lava pond...

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Volcano Watch — A holiday visit to exotic El Chichón volcano

Volcano Watch — A holiday visit to exotic El Chichón volcano

'Tis the season for holiday travel, & in this week's Volcano Watch, we will visit El Chichón Volcano, in Chiapas, Mexico. While there are some notable...

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Volcano Watch — Kīlauea's past doesn’t lie: what happened once can happen again

Volcano Watch — Kīlauea's past doesn’t lie: what happened once can happen again

It is natural for most people, including scientists, to think that the aim of a volcano observatory is to observe and measure ongoing activity...

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Volcano Watch — Jaggar achieves significant science in HVO's first year but at great personal cost

Volcano Watch — Jaggar achieves significant science in HVO's first year but at great personal cost

After years of fund-raising, Thomas Jaggar, Jr., finally got the Hawaiian Volcano Observatory (HVO) up and running at Kīlauea Volcano in January 1912...

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Volcano Watch — As HVO's centennial year ends, a New Year of volcanic milestones begins

Volcano Watch — As HVO's centennial year ends, a New Year of volcanic milestones begins

Although Kīlauea's eruptive activity has been relatively uneventful the past 11 months, the consensus at the Hawaiian Volcano Observatory (HVO) is...

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Volcano Watch — What happens when the earthquake "lights" go out?

Volcano Watch — What happens when the earthquake "lights" go out?

As we enter the 2012 holiday season, Kīlauea Volcano's continuing eruptions in Halema‘uma‘u at the summit and at Pu‘u ‘Ō‘ō on the middle east rift...

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Volcano Watch — What can we learn from the lava level in Halema‘uma‘u?

Volcano Watch — What can we learn from the lava level in Halema‘uma‘u?

Considering the recent activity in Halema‘uma‘u Crater, just how reliable is its lava-lake level for judging the potential of an upcoming eruptive...

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Volcano Watch — Is Kīlauea quieting down or just taking a break?

Volcano Watch — Is Kīlauea quieting down or just taking a break?

The last month was busy at the Hawaiian Volcano Observatory, with scientists keeping a keen eye on monitoring data and preparing for a possible change...

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Volcano Watch — Kīlauea’s inflation means we might see more lava soon…

Volcano Watch — Kīlauea’s inflation means we might see more lava soon…

Last week we discussed the change in seismicity that has occurred at Kīlauea.

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Volcano Watch — Kīlauea has the shakes—Up and down the rift

Volcano Watch — Kīlauea has the shakes—Up and down the rift

Astute watchers of recent earthquake activity at Kīlauea have noticed a marked increase of earthquakes, both within the summit caldera and in a...

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