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Mud pot, mud seep, or mud volcano?

Mud pot, mud seep, or mud volcano?

We recently received a question about how mud volcanoes form and why they're distinct from "real" volcanoes (the kind involving magma), so we're here...

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Volcano Watch — Kīlauea intrusion was a textbook example of dike propagation

Volcano Watch — Kīlauea intrusion was a textbook example of dike propagation

From January 31 to February 3, 2024, a magma intrusion into Kīlauea’s flank, southwest of the summit caldera, was the focus of attention at the USGS...

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Volcano Watch — Appreciating the contributions of ʻŌlelo Hawaiʻi to volcanology

Volcano Watch — Appreciating the contributions of ʻŌlelo Hawaiʻi to volcanology

February is Mahina ʻŌlelo Hawaiʻi, Hawaiian Language Month, and an opportunity to appreciate the value that the Native Hawaiian language has provided...

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Volcano Watch — Dear Valentine, will you be my lab partner?

Volcano Watch — Dear Valentine, will you be my lab partner?

The USGS Hawaiian Volcano Observatory (HVO) “lavas” working with our partners at the University of Hawai‘i at Hilo (UHH), and for Valentine’s Day we...

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Volcano Watch — Another intrusion southwest of Kīlauea’s summit

Volcano Watch — Another intrusion southwest of Kīlauea’s summit

Last week, USGS Hawaiian Volcano Observatory (HVO) scientists were closely monitoring earthquakes and ground deformation in the region southwest of...

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Photo and Video Chronology – Aerial and ground surveys of Kīlauea, response instrumentation

Photo and Video Chronology – Aerial and ground surveys of Kīlauea, response instrumentation

Hawaiian Volcano Observatory staff and collaborators conducted aerial and ground surveys of Kīlauea Koa‘e fault system and Southwest Rift Zone to...

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Photo and Video Chronology – Unrest at Kīlauea

Photo and Video Chronology – Unrest at Kīlauea

Kīlauea volcano is not erupting. Seismicity along the Koa‘e fault system southwest of the summit remains elevated, and deformation patterns in Kīlauea...

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Volcano Watch — Mauna Loa 2022: a retrospective on the early hours of the eruption

Volcano Watch — Mauna Loa 2022: a retrospective on the early hours of the eruption

In the late hours of November 27, 2022, Mauna Loa began erupting. Lava was visible on the west side of the Island of Hawaiʻi, from Kailua-Kona to...

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Volcano Watch — Iceland’s recent eruption a reminder of lava flow hazards

Volcano Watch — Iceland’s recent eruption a reminder of lava flow hazards

Lava flows slowly approaching houses. Authorities evacuating neighborhoods. The tension of residents not knowing when, or if, they can return to their...

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The curious case of Mount Shasta's 1905 "Spasm"

The curious case of Mount Shasta's 1905 "Spasm"

Have you ever played a game of Telephone? If so, you know the message that you start with might not always be what you hear in the end. News coverage...

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New USGS Data Releases Available

New USGS Data Releases Available

Several newly published USGS data releases provide data on Kīlauea thermal maps during the 2018 lower East Rift Zone eruption, tiltmeter data from...

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Volcano Watch — Upgrades below the surface

Volcano Watch — Upgrades below the surface

Technicians at the USGS Hawaiian Volcano Observatory (HVO) are constantly engineering, building, deploying, maintaining, troubleshooting, or upgrading...

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