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Volcano Watch — What Fans the Flames Observed at Volcanic Vents?

Recently, something has been observed “dancing” above the active eruptive vents inside Halemaʻumaʻu…Hydrogen flames! Let’s take a look into what...

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Volcano Watch — Inter-Episode Rumblings at Kīlauea

Witnessing a volcanic eruption is, for many, a once-in-a-lifetime experience. Hawaiʻi Volcanoes National Park welcomes well over a million visitors...

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New V3cam provides another livestream view of Halemaʻumaʻu

With permission from Hawaiʻi Volcanoes National Park, the USGS Hawaiian Volcano Observatory has installed another livestream camera on the rim of...

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Volcano Watch — What lurks beneath: learning from lava ooze outs

Halemaʻumaʻu has been progressively filled by six eruptions at the summit of Kīlauea since 2020, and it continues to accumulate new lava with each...

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Volcano Watch — Twenty episodes and counting: lava fountains continue in Halemaʻumaʻu

On December 23, 2024, eruptive activity at Kīlauea’s summit began again with the first in what has become 20 discrete lava fountaining episodes. Many...

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Volcano Watch — Hoʻomākaukau means preparedness

April is a month that carries deep layers of meaning on the Island of Hawaiʻi. April is the cherished time of the Merrie Monarch Festival—a week-long...

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Volcano Watch — Tilt, Tremor, and Lava: Remembering Mauna Loa’s 2022 Eruption Onset

As people from around the world are captivated by episodic lava fountaining during the ongoing Kīlauea eruption in Halemaʻumaʻu, let’s use the current...

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Photo & Video Chronology — March 20, 2025 — Kīlauea summit eruption episode 14

Episode 14 of the ongoing Halemaʻumaʻu eruption of Kīlauea within Hawaiʻi Volcanoes National Park started at 9:26 a.m. HST on March 19, and ended at 1...

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Volcano Watch — A collapse at Mauna Loa’s summit in 1868, like Kīlauea’s in 2018?

March 27 marks the anniversary of the onset of Mauna Loa’s dramatic 1868 eruption, when lava flows from the Southwest Rift Zone severely impacted the...

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Photo & Video Chronology — March 19, 2025 — Kīlauea summit eruption

The ongoing Halemaʻumaʻu eruption of Kīlauea within Hawaiʻi Volcanoes National Park saw activity increase early on March 19, with low-level lava...

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Photo & Video Chronology — March 14, 2025 — Views of Kīlauea summit

USGS Hawaiian Volcano Observatory scientists captured aerial photography during a helicopter overflight on March 14 to map tephra deposits and other...

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Volcano Watch — All in a Day’s Work: Determining magma storage depths at Kīlauea

Consider a can of soda. When the can is closed (pressurized), the soda contains dissolved carbon dioxide (CO2). When you open the can, the pressure...

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