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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. 

The USGS Hawaiian Volcano Observatory will not publish Volcano Watch articles during the lapse in federal government appropriations. 

Filter Total Items: 1751
Volcano Watch — Surprise Eruption in Chile Sparks Interest in National Volcano Early Warning System

Volcano Watch — Surprise Eruption in Chile Sparks Interest in National Volcano Early Warning System

During the evening of April 30, in a distant volcanic region in the southern Andes about 1050 km (650 miles) south of Santiago, Chile, strong ground...

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Volcano Watch — HVO Hot Shots See the Heat at Kīlauea

Volcano Watch — HVO Hot Shots See the Heat at Kīlauea

If you keep an eye on the Kīlauea update images posted on the HVO website, you may have noticed over the last few months that we have occasionally...

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Volcano Watch — And You Thought You Were Standing Still

Volcano Watch — And You Thought You Were Standing Still

People who live in areas with high earthquake activity are familiar with the sensation of the earth shaking beneath their feet during an earthquake...

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Volcano Watch — The Puzzling Plume

Volcano Watch — The Puzzling Plume

The new Halema`uma`u Overlook vent is now only three months old, and the accompanying plume is relatively small in terms of previous explosive...

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Volcano Watch — What to worry about in Kīlauea volcanic emissions?

Volcano Watch — What to worry about in Kīlauea volcanic emissions?

Even with the focus on sulfur dioxide gas (SO2) and vog, inquisitive individuals have asked about other things emitted by Kīlauea volcano. Here's the...

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Volcano Watch — The Rooftop View at Pele's House is Magnificent

Volcano Watch — The Rooftop View at Pele's House is Magnificent

Since March 12, when a billowing cloud of fume erupted from the east wall of Halema`uma`u, thousands of Hawai`i residents and visitors have gazed out...

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Volcano Watch — Murky Crystal Ball Suggests Potential for Voggy Future at Kīlauea

Volcano Watch — Murky Crystal Ball Suggests Potential for Voggy Future at Kīlauea

As the vog wears on us, it might be a good time to get out the crystal ball and try to guess what might happen in the next months, years, and even...

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Volcano Watch — Pele's Cooking More Than Vog -- "Precious" Jewels Also Stewing in Her Cauldron

Volcano Watch — Pele's Cooking More Than Vog -- "Precious" Jewels Also Stewing in Her Cauldron

After the series of explosions at Halema`uma`u Crater, the overlook area appeared to be a stark, boulder-strewn field completely devoid of life.

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Volcano Watch — Ashes, Ashes, All Fall Down

Volcano Watch — Ashes, Ashes, All Fall Down

Recent activity at Kīlauea's summit caused HVO scientists to hit the books, because such behavior hasn't been previously documented.

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Volcano Watch — Who owns new coastal lands created by lava flows?

Volcano Watch — Who owns new coastal lands created by lava flows?

Many visitors to the HVO website have asked about the white structures visible in the photos of lava flowing across the coastal plain and into the...

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Volcano Watch — Professor Jaggar Would Have Loved This View

Volcano Watch — Professor Jaggar Would Have Loved This View

Unusual, tantalizing, mesmerizing. Adrenaline-spiking, mid-life crisis(?). These words have been used in our recent Volcano Watch reports as we...

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Volcano Watch — Unfamiliar Tricks from our Familiar Volcano

Volcano Watch — Unfamiliar Tricks from our Familiar Volcano

A human lifespan is but a blink of an eye compared to Kīlauea's 300,000-600,000 years of existence.

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Volcano Watch — Eventful Week at Kīlauea's Summit Culminates in Small Explosion at Halema`uma`u

Volcano Watch — Eventful Week at Kīlauea's Summit Culminates in Small Explosion at Halema`uma`u

It was a busy week atop our favorite volcano as Halema`uma`u continued to emit a towering white plume of gas and ash that was visible for miles around...

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Volcano Watch — Is Pele teasing us, revealing yet another facet of her personality?

Volcano Watch — Is Pele teasing us, revealing yet another facet of her personality?

Hundreds of visitors are driving to Kalapana each day to see the ocean entries of Kīlauea's east-rift lava flows. As these visitors watch the flows...

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Volcano Watch — A New Ash Plume Rises from Kīlauea's Summit

Volcano Watch — A New Ash Plume Rises from Kīlauea's Summit

Last week's "Volcano Watch" detailed the development of the new gas vent - and small explosive eruption - on the south wall of Halema`uma`u Crater.

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Volcano Watch — Something Had to Change After 25 Years

Volcano Watch — Something Had to Change After 25 Years

2008 will be known as the year that Kīlauea Volcano had a mid-life crisis. After 25 years of almost continuous, effusive eruption from its east rift...

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Volcano Watch — Pele Gives Plenty of Heat to Namakaokaha`i

Volcano Watch — Pele Gives Plenty of Heat to Namakaokaha`i

Last week was a family reunion of sorts, as Pele met her sister, Namakaokaha`i, when lava from Kīlauea Volcano entered the ocean for the first time...

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Volcano Watch — Kīlauea Following One of Several Eruption Scenarios

Volcano Watch — Kīlauea Following One of Several Eruption Scenarios


Now that lava flows have reached the ocean below Royal Gardens subdivision, the concern 7 months ago of lava pouring northeast from a new vent toward...

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Volcano Watch — Pele Revisits Royal Gardens

Volcano Watch — Pele Revisits Royal Gardens

After a few brief forays into the upper reaches of the Royal Gardens subdivision over the last several weeks, the Thanksgiving Eve Breakout (TEB) flow...

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Volcano Watch — What was that on the Richter scale?

Volcano Watch — What was that on the Richter scale?

When the crust of the earth is subjected to great forces, such as the weight of the Hawaiian Islands or the forceful intrusion of magma, it can bend...

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Volcano Watch — Can rocks speak to us? Yes, they can!

Volcano Watch — Can rocks speak to us? Yes, they can!

Oftentimes, in videos of Hawaiian eruptions, you may see people near the vent or the lava rivers sampling the molten rock. This can be dangerous work...

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