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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 — Lava advances in "two steps forward, one step backward" style

Volcano Watch — Lava advances in "two steps forward, one step backward" style

Long-time Kīlauea Volcano watchers know the drill when the supply of magma to the active vent on the volcano's east rift zone is interrupted...

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Volcano Watch — Seismic streaks signal silent slip to the sea

Volcano Watch — Seismic streaks signal silent slip to the sea

In the early hours of Monday, February 1, 2010, , a swarm of microearthquakes began to occur on the south flank of Kīlauea volcano.

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Volcano Watch — Lights, camera, eruption! Volcanoes in the movies

Volcano Watch — Lights, camera, eruption! Volcanoes in the movies

As Volcano Awareness Month nears its end, we conclude our look at volcanoes and society by exploring the cinematic treatment of volcanoes over the...

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Volcano Watch — Something to write about: the influence of volcanoes on literature

Volcano Watch — Something to write about: the influence of volcanoes on literature

In the previous two weeks, we examined the role that volcanoes have played in both religion and art. Today, we discuss the influence of volcanoes on...

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Volcano Watch — Volcanoes-a source of artistic inspiration?

Volcano Watch — Volcanoes-a source of artistic inspiration?

In celebration of Volcano Awareness Month (January 2010), we examine the influence of volcanoes on human society, beginning last week with religion...

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Volcano Watch — Strong ties between volcanoes and religion

Volcano Watch — Strong ties between volcanoes and religion

As the first decade of the 21st century has come to a close, the effect of human civilization on the Earth has become increasingly apparent.

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Volcano Watch — Has it been 27 years already?

Volcano Watch — Has it been 27 years already?

Kīlauea has been erupting nearly continuously for 27 years as of Sunday, January 3, 2010.

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Volcano Watch — Kīlauea glows as lava keeps churning at the summit

Volcano Watch — Kīlauea glows as lava keeps churning at the summit

Clear weather and an active lava column in the Halema‘uma‘u Overlook vent this week is brightening the nighttime glow at the summit of Kīlauea just in...

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Volcano Watch — Volcanoes are not responsible for Global Warming

Volcano Watch — Volcanoes are not responsible for Global Warming

In this age of the Internet, anyone's opinion on any subject, whether thoroughly researched or derived from an Ouija board, can be broadcast to the...

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Volcano Watch — Kīlauea went ballistic in 1790

Volcano Watch — Kīlauea went ballistic in 1790

Many visitors to Hawai`i Volcanoes National Park stop at Kīlauea Overlook and walk to the rim of the caldera, passing a huge rock along the way. 

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Volcano Watch — How well do you know the volcanoes in your backyard?

Volcano Watch — How well do you know the volcanoes in your backyard?

We often hear the term "IQ" (intelligence quotient)—but how would you rate your "VAQ" (volcano awareness quotient)? In other words, how well do you...

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Volcano Watch — Halema‘uma‘u Eruption Focus of Special Scientific Session

Volcano Watch — Halema‘uma‘u Eruption Focus of Special Scientific Session

In a few short weeks, scientists from the U. S. Geological Survey's Hawaiian Volcano Observatory (HVO) will be packing their bags and heading to San...

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Volcano Watch — For volcanoes, acting locally causes effects globally

Volcano Watch — For volcanoes, acting locally causes effects globally

A visit to Kīlauea can bring a sense of awe and appreciation for the earth's volcanoes. Over the past weeks, the east rift eruption has produced...

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Volcano Watch — Can We Forecast the Behavior in Halema‘uma‘u's Vent?

Volcano Watch — Can We Forecast the Behavior in Halema‘uma‘u's Vent?

If you have followed the HVO daily updates or tuned in to the Webcams over the past few months, you have probably seen that activity in the vent of...

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Volcano Watch — Evolving Lava Tube System Spawns Surface Flows that Reach the Ocean

Volcano Watch — Evolving Lava Tube System Spawns Surface Flows that Reach the Ocean

Dozens of small lava flows have moved down the pali and across the coastal plain of Kīlauea's south flank in the past several weeks as the nearly two...

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Volcano Watch — Lessons Learned from the Armero, Colombia Tragedy

Volcano Watch — Lessons Learned from the Armero, Colombia Tragedy

Late in the evening on November 13, 1985, most of those living in the Colombian town of Armero, on the shores of the river Lagunillas, were in bed...

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Volcano Watch — The Layered Earth Turns 100 Years Old

Volcano Watch — The Layered Earth Turns 100 Years Old

On October 8, 1909, an earthquake struck southeast of Zagreb, Croatia. Prior to this event, a number of seismographs had been installed in the region...

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Volcano Watch — One Man's Soil Is Another Man's Ash, Especially Around Pāhala

Volcano Watch — One Man's Soil Is Another Man's Ash, Especially Around Pāhala

"Pahala Ash," named for the town of Pahala, refers to soil deposits along the southeast portion of the island of Hawai`i. Pahala Ash was described by...

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Volcano Watch — Kīlauea's Emissions and Their Effects: It's All about Location

Volcano Watch — Kīlauea's Emissions and Their Effects: It's All about Location

A common saying in the real estate business is that three things matter regarding property: "location, location, location." The same might be said...

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Volcano Watch — Hualālai is Third Most Active Volcano in Hawai`i

Volcano Watch — Hualālai is Third Most Active Volcano in Hawai`i

The West Hawai`i Today issue for September 11, 2009, contained a letter to the editor titled "Hualālai is a real and present threat." The writer's...

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Volcano Watch — Ancient Hawaiians: Plenty of Oars but No Ores

Volcano Watch — Ancient Hawaiians: Plenty of Oars but No Ores

Most accounts of Captain Cook's first arrival in Hawai`i describe the Hawaiians' fascination with metal objects.

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