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Volcano Watch — Why is the water in `Ahalanui pond so warm?

Volcano Watch — Why is the water in `Ahalanui pond so warm?

Annual rainfall totals on the windward slopes of Mauna Loa and Kīlauea average up to nearly 10 meters (300 inches), yet there are no perennial streams...

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Volcano Watch — How high was Haleakalā?

Volcano Watch — How high was Haleakalā?

Haleakalā, the volcano that forms East Maui, had higher summit elevations in its glorious past. Today the volcano's highest point is 10,023 feet, but...

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Volcano Watch — The longest Kīlauea eruption in memory

Volcano Watch — The longest Kīlauea eruption in memory

What is the longest eruption in memory at Kīlauea? The ongoing Pu`u `O`o-Kupaianaha eruption, which entered its 18th year on January 3? The nearly...

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Volcano Watch — A sensory tour of Kīlauea's sulfur gases

Volcano Watch — A sensory tour of Kīlauea's sulfur gases

Gravy and Hostess cupcakes—both delicious in their own way, but not necessarily in combination. Although they are extremely different from each other...

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Volcano Watch — Fossils reveal birdlife of Hawai`i's past

Volcano Watch — Fossils reveal birdlife of Hawai`i's past

Strolling the desolate Mo`omomi Beach of Moloka`i's north shore some 30 years ago, a woman came upon what appeared to be the remains of a turkey...

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Volcano Watch — Mapping new lava as easy or difficult as finding the flow margin

Volcano Watch — Mapping new lava as easy or difficult as finding the flow margin

Geologists everywhere like to study rocks in the field, but few of them get to map rocks that are still molten and on the move. Here in Hawai`i, we...

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Volcano Watch — The Kapoho eruption—40 years old this week

Volcano Watch — The Kapoho eruption—40 years old this week

This Thursday, January 13, marks the 40th anniversary of the Kapoho eruption, the sequel to the Kīlauea Iki eruption in November-December 1959. It was...

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Volcano Watch — Eruption Enters the 21st Century

Volcano Watch — Eruption Enters the 21st Century

Tomorrow, January 3, marks the 17th anniversary of the ongoing Pu`u `O`o - Kupaianaha eruption. Some readers are too young to remember the eruption in...

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Volcano Watch — Programs at the USGS

Volcano Watch — Programs at the USGS

The staff and associates of the U.S. Geological Survey's Hawaiian Volcano Observatory and Kīlauea Field Station extend a warm and cheerful holiday...

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Volcano Watch — A simple question leads to a big lava flow

Volcano Watch — A simple question leads to a big lava flow

An employee of the Hilo Hawaiian hotel recently called the U.S. Geological Survey's Hawaiian Volcano Observatory and asked about the origin of Coconut...

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Volcano Watch — 'Tis the season to say goodbye to yellowjacket wasps

Volcano Watch — 'Tis the season to say goodbye to yellowjacket wasps

Last week's heavy rains on the Big Island brought an end to one of the worst seasons for yellowjacket wasps around Mauna Loa in more than a decade.
 

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Volcano Watch — Does heavy rain influence eruptions? Maybe

Volcano Watch — Does heavy rain influence eruptions? Maybe

The heavy rain that East Hawai`i experienced this week, particularly on Wednesday night and Thursday morning, suggested the topic for this week's...

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