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Daily updates about ongoing eruptions, recent images and videos of summit and East Rift Zone volcanic activity, maps, and data about recent earthquakes in Hawaii are posted on the HVO website. 

Volcano Watch is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory scientists and colleagues.

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Volcano Watch — Kīlauea's magma budget

Volcano Watch — Kīlauea's magma budget

How much magma enters Kīlauea every day? How much is erupted to the surface? How much stays underground?
 

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Volcano Watch — A Finer Look Inside Kīlauea

Volcano Watch — A Finer Look Inside Kīlauea

In our "Volcano Watch" series and in our scientific reports and presentations, we present and discuss findings relating to volcanoes and earthquakes. ...

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Volcano Watch — Forest birds of the Hawaiian Islands

Volcano Watch — Forest birds of the Hawaiian Islands

Several million years ago, when Kaua`i was the youngest island in the Hawaiian archipelago, and Pele made her home in the caldera atop Mount Waialeale...

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Volcano Watch — Leveling survey measures rise and fall of volcano's surface

Volcano Watch — Leveling survey measures rise and fall of volcano's surface

We recently completed a leveling survey along the Ka`u trail in Hawai`i Volcanoes National Park. This 16-km (10 mi) route runs inland from the south...

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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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Photo and Video Chronology - Kīlauea - June 8, 2000

Photo and Video Chronology - Kīlauea - June 8, 2000

Sulfur covered terrace from Puka Nui

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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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