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Volcano Watch — Monitoring Kīlauea with Ocean Noise

Volcano Watch — Monitoring Kīlauea with Ocean Noise

Ocean swells are constantly occurring across the Earth’s oceans. These swells interact with the ocean crust below, creating continuous ocean noise...

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For the Benefit and Enjoyment of the People: The Explorations that led to the world’s first National Park

For the Benefit and Enjoyment of the People: The Explorations that led to the world’s first National Park

Long before the boardwalks, hotels, and roads, Yellowstone stood on the edge of the American wilderness. Its discovery and exploration by Euro...

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Volcano Watch — Halema‘uma‘u’s 1967-68 eruption: another crater-filler

Volcano Watch — Halema‘uma‘u’s 1967-68 eruption: another crater-filler

Kīlauea’s activity from 2018 until now has been compared to cycles of summit collapse and refilling prior to 1924. However, Kīlauea also exhibited...

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Recent caldera collapses captured by volcano monitoring networks provide insights on the collapse of the Yellowstone caldera

Recent caldera collapses captured by volcano monitoring networks provide insights on the collapse of the Yellowstone caldera

Based on geologic mapping and dating of minerals, we know that the Yellowstone caldera formed 631,000 years ago. But how did the caldera collapse...

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Out with the old, in with the new: Upgrading satellite communication technology at Yellowstone monitoring sites

Out with the old, in with the new: Upgrading satellite communication technology at Yellowstone monitoring sites

New satellite communication technology is being tested at Yellowstone monitoring stations and could have a big impact on how real-time data are...

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Volcano Watch — International volcano scientist training course returns to Hawaii

Volcano Watch — International volcano scientist training course returns to Hawaii

The Center for the Study of Active Volcanoes (CSAV) is holding its annual summer International Training Course in Volcano Hazards Monitoring. This...

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In the pantheon of caldera eruptions, where does Yellowstone rank?

In the pantheon of caldera eruptions, where does Yellowstone rank?

The Yellowstone volcanic system has hosted some very large eruptions. But there have been much larger volcanic explosions in geologic history...

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Volcano Watch — Tracking down Mauna Loa’s carbon dioxide

Volcano Watch — Tracking down Mauna Loa’s carbon dioxide

When lava poured out over the floor of Moku‘āweoweo, Mauna Loa’s summit caldera, late on the night of November 27, 2022, it was still many hours away...

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Secretary Haaland, Leaders Celebrate New U.S. Geological Survey / University of Hawai’i Facility to Support Volcano Monitoring & Ecosystem Restoration

Secretary Haaland, Leaders Celebrate New U.S. Geological Survey / University of Hawai’i Facility to Support Volcano Monitoring & Ecosystem Restoration

This release was originally shared by the Department of the Interior. 

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Phones out and a toppled chimney? There’s much more to the story of the 1975 Yellowstone National Park Earthquake!

Phones out and a toppled chimney? There’s much more to the story of the 1975 Yellowstone National Park Earthquake!

Yellowstone gets rattled by plenty of small earthquakes—between 1,500 and 2,500 located events in a typical year—but large damaging earthquakes have...

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Tonga’s Hunga eruption produced the most intense lightning ever recorded

Tonga’s Hunga eruption produced the most intense lightning ever recorded

The eruption produced 2,600 flashes per minute at peak intensity. Scientists used the lightning to peer into the ash cloud, teasing out new details of...

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Everything is Relative: Precise Earthquake Location

Everything is Relative: Precise Earthquake Location

Locating an earthquake in an absolute sense can come with considerable uncertainty, but locating earthquakes relative to one another is far more...

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