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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 — Pushing the monitoring envelope

Volcano Watch — Pushing the monitoring envelope

Like other volcano observatories, HVO devotes most of its resources to volcano monitoring, using time-tested methods that have been found to deliver...

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Volcano Watch — Dramatic volcanoes of island archipelagos rock, roll, and erupt

Volcano Watch — Dramatic volcanoes of island archipelagos rock, roll, and erupt

Anyone looking at a map of the Pacific cannot help but be astounded by the feat of the first Polynesian navigators to these isolated islands of Hawai...

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Volcano Watch — Several ongoing eruptions have lasted longer than Kīlauea's

Volcano Watch — Several ongoing eruptions have lasted longer than Kīlauea's

It may surprise some readers that the Pu‘u ‘Ō‘ō eruption, now halfway through its 28th year of almost continuous activity, is not the longest-running...

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Volcano Watch — Ken Honma retires from HVO after almost 40 years of service

Volcano Watch — Ken Honma retires from HVO after almost 40 years of service

Last week, Ken Honma bid farewell to friends and colleagues at the Hawaiian Volcano Observatory (HVO) as he retired from a U.S. Geological Survey...

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Volcano Watch — "Kalapana Gardens home lost to lava, 2nd periled"

Volcano Watch — "Kalapana Gardens home lost to lava, 2nd periled"

Most readers will see the headline and think it refers to events in Kalapana this past week. The title is actually from a back page story in the...

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Volcano Watch — More rattling from last Sunday

Volcano Watch — More rattling from last Sunday

The bits of dust kicked up by last Sunday's magnitude-3.6 earthquake south of O‘ahu have settled.

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Volcano Watch — Reduced sulfur dioxide emissions from Kīlauea's east rift have some fans cheering

Volcano Watch — Reduced sulfur dioxide emissions from Kīlauea's east rift have some fans cheering

Like the delicate interplay between the Spanish and Dutch soccer players in the final game of the World Cup, competing forces shape our island...

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Volcano Watch — Halema‘uma‘u's fickle lava pond has been unusually steady recently

Volcano Watch — Halema‘uma‘u's fickle lava pond has been unusually steady recently

If you have visited the HVO Web site recently, you may have noticed that the Halema‘uma‘u Overlook Webcam has shown exceptional views of the lava pond...

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Volcano Watch — Mauna Loa rumbled and stretched as it awakened from a 25-year slumber

Volcano Watch — Mauna Loa rumbled and stretched as it awakened from a 25-year slumber

Shortly before midnight on July 5, 1975, a hiker sleeping in Pu‘u‘Ula‘ula (Red Hill) Cabin on the northeast flank of Mauna Loa awoke and saw a faint...

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Volcano Watch — Asphalt Volcanoes: Where the Lava Meets the Road?

Volcano Watch — Asphalt Volcanoes: Where the Lava Meets the Road?

On the Island of Hawai‘i, the only time people think of volcanoes and asphalt together is when an active lava flow crosses the road (cue "Why did the...

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Volcano Watch — Is That an Accelerometer in Your Pocket?

Volcano Watch — Is That an Accelerometer in Your Pocket?

Thanks to relatively recent advances in technology, many portable digital devices now have accelerometers embedded in them.

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Volcano Watch — Dealing with Hazards is a Risky Business

Volcano Watch — Dealing with Hazards is a Risky Business

Volcanic hazards come in many forms. The most common hazards for Hawai`i include earthquakes, lava flows, and wide-ranging vog. What is the definition...

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