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Photo and Video Chronology - Kīlauea - July 17, 2010

Photo and Video Chronology - Kīlauea - July 17, 2010

Flows reached Kalapana access road

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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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Photo and Video Chronology - Kīlauea - July 14, 2010

Photo and Video Chronology - Kīlauea - July 14, 2010

Thermal images showing the active flows coming down the pali and at Halema`uma`u

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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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Photo and Video Chronology - Kīlauea - July 8, 2010

Photo and Video Chronology - Kīlauea - July 8, 2010

Aerial photo looking directly into a skylight

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New technologies help characterize hydrothermal activity at Yellowstone

New technologies help characterize hydrothermal activity at Yellowstone

Yellowstone National Park geologists Cheryl Jaworowski and Henry Heasler published a paper with two university colleagues to illustrate how two...

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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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Volcano Watch — Should Maui residents be concerned about lava flows?

Volcano Watch — Should Maui residents be concerned about lava flows?

Molten lava flows downhill. This simple fact has spurred many residents on the Island of Hawai‘i, where Kīlauea Volcano has been erupting for more...

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Volcano Watch — Petrologic Monitoring of Kīlauea Volcano: An update for "Rockhounds"

Volcano Watch — Petrologic Monitoring of Kīlauea Volcano: An update for "Rockhounds"

Petrology is literally the "study of rocks," and looking carefully at the rocks coming out of a volcano is necessary in order to understand what's...

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