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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: 1680
Volcano Watch — Mauna Loa and Kīlauea: lighthouses of the Pacific?

Volcano Watch — Mauna Loa and Kīlauea: lighthouses of the Pacific?

A TV crew doing a documentary on lighthouses in Hawai`i recently asked HVO if erupting Kīlauea and Mauna Loa could have served as natural beacons for...

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Volcano Watch — Uncovering more of the Madam's secrets

Volcano Watch — Uncovering more of the Madam's secrets

In recent weeks the U.S. Geological Survey's Hawaiian Volcano Observatory has begun a program to install new instrumentation to help monitor Mauna Loa...

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Volcano Watch — The Wailuku River: mo`o and lava

Volcano Watch — The Wailuku River: mo`o and lava

The Wailuku River is an important landmark to geologists, because it marks the approximate boundary between the lava flows of Mauna Kea and Mauna Loa...

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Volcano Watch — Bench marks - monuments of the past for future use

Volcano Watch — Bench marks - monuments of the past for future use

An engineer for a local road-construction contractor recently called the U.S. Geological Survey's Hawaiian Volcano Observatory to report his company's...

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Volcano Watch — Global Positioning System accuracy improved for volcanologists and all civilians

Volcano Watch — Global Positioning System accuracy improved for volcanologists and all civilians

On May 1, 2000, President Clinton announced the United States' decision to stop degrading Global Positioning System (GPS) accuracy. The act has made...

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Volcano Watch — The next eruption of Mauna Kea

Volcano Watch — The next eruption of Mauna Kea

Mauna Kea's peaceful appearance is misleading. The volcano is not dead. It erupted many times between 60,000 and 4,000 years ago, and some periods of...

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Volcano Watch — Dissolved gases improve our understanding of eruptive processes

Volcano Watch — Dissolved gases improve our understanding of eruptive processes

"Why should I believe something I can't see, especially since I already don't believe so many things that I can see?" This verbal barb is sometimes...

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Volcano Watch — Mosquito and pig: cautionary tale of two alien species

Volcano Watch — Mosquito and pig: cautionary tale of two alien species

Mosquitoes are not native to the Hawaiian Islands. Anyone driven away from an outdoor activity or rudely awakened by a biting mosquito would agree...

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Volcano Watch — 20th anniversary of the catastrophic eruption

Volcano Watch — 20th anniversary of the catastrophic eruption

May 18th marks the 20th anniversary of the catastrophic eruption of Mount St. Helens that laid waste to over 540 square km (200 sq mi) of forest...

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Volcano Watch — HVO and Show Biz; unlikely but useful bedfellows

Volcano Watch — HVO and Show Biz; unlikely but useful bedfellows

Kīlauea is a magnet to volcanologists, visitors, and television production companies alike, drawn from around the word by the spell of its eruptions...

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Volcano Watch — Strainmeters to be installed on Mauna Loa this summer

Volcano Watch — Strainmeters to be installed on Mauna Loa this summer

Mauna Loa Volcano last erupted 1984. Lava flows from vents in its northeast rift zone reached within seven kilometers (four miles) of Hilo. When and...

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Volcano Watch — Atmospheric nuclear explosions and the source of Steaming Flats water

Volcano Watch — Atmospheric nuclear explosions and the source of Steaming Flats water

The topics for this article are presented in response to requests from our readers. Many weeks ago, a reader called to express her appreciation for...

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