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CVO dismantles Mount St. Helens’ VALT seismic station after 18 years in service.

CVO dismantles Mount St. Helens’ VALT seismic station after 18 years in service.

While VALT will be missed for sentimental reasons, plans are underway to install a replacement on the crater floor away from the reach of Crater...

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Volcano Watch — More shaking on Kīlauea’s south flank. Did you feel it?

Volcano Watch — More shaking on Kīlauea’s south flank. Did you feel it?

Island of Hawaiʻi residents are used to feeling the ground shake beneath them. From subtle shakes that feel like wind, to abrupt jolting that knocks...

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Lassen Volcanic Center's June 24, 2024 earthquake swarm: (Background) business as usual

Lassen Volcanic Center's June 24, 2024 earthquake swarm: (Background) business as usual

A short earthquake swarm in the southern part of the Lassen Volcanic Center reminds us that volcanoes can shake, rattle, and roll even when they're...

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Volcano Watch — Cruising Chain of Craters Road: Recent earthquakes and past volcanism

Volcano Watch — Cruising Chain of Craters Road: Recent earthquakes and past volcanism

The upper East Rift Zone (UERZ) of Kīlauea was a shaky place this past weekend. This region extends southeast from Kaluapele (Kīlauea’s summit caldera...

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Volcano Watch — In Remembrance of Ed Brown, HVO ‘Ohana

Volcano Watch — In Remembrance of Ed Brown, HVO ‘Ohana

On May 15, 2024, our friend and colleague Ed Brown, Associate Director for Infrastructure and Facilities for the USGS Volcano Science Center (VSC)...

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Volcano Watch — Petrologists gather to discuss challenges and goals in understanding Kīlauea chemistry

Volcano Watch — Petrologists gather to discuss challenges and goals in understanding Kīlauea chemistry

During the most active portion of their life cycle, called the shield stage, Hawaiian volcanoes erupt frequently and mostly produce a rock type called...

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Volcano Watch — A decade later, remembering the Pāhoa lava flow crisis

Volcano Watch — A decade later, remembering the Pāhoa lava flow crisis

Over the past few years, eruptions of Kīlauea volcano on the Island of Hawai‘i have happened in remote regions and lava flows have not directly...

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Photo and Video Chronology - Images of the June 3 fissure eruption from Kīlauea's Southwest Rift Zone

Photo and Video Chronology - Images of the June 3 fissure eruption from Kīlauea's Southwest Rift Zone

The eruption that began on Monday, June 3, southwest of Kaluapele (Kīlauea caldera) within Hawai'i Volcanoes National Park has ended. Tremor and...

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Volcano Watch — Keeping up with Kīlauea

Volcano Watch — Keeping up with Kīlauea

Kīlauea began erupting from fissures southwest of Kaluapele (the summit caldera) just after midnight on June 3; the eruption ceased just nine hours...

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Photo and Video Chronology - Fissure Eruption in Kīlauea Volcano's Southwest Rift Zone, June 3, 2024

Photo and Video Chronology - Fissure Eruption in Kīlauea Volcano's Southwest Rift Zone, June 3, 2024

Kīlauea volcano is erupting. A new eruption began at approximately 12:30 a.m. HST on Monday, June 3, about 4 km (2.5 miles) southwest of Kaluapele...

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Volcano Watch — Beyond the lava: Mauna Loa’s deformation story

Volcano Watch — Beyond the lava: Mauna Loa’s deformation story

Mauna Loa volcano stands as the largest and most active volcano on Earth. With a rich history of eruptions that have shaped the Island of Hawaʻi's...

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Volcano Watch — HVO's Mission Depends on Reliable and Secure IT Solutions

Volcano Watch — HVO's Mission Depends on Reliable and Secure IT Solutions

The USGS Hawaiian Volcano Observatory (HVO) is responsible for monitoring and studying one of the most active volcanic regions in the world. The...

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