Volcano Science Center


The Volcano Science Center is the primary center serving the mission of the USGS Volcano Hazards Program — to enhance public safety and minimize social and economic disruption from volcanic unrest and eruption. The center is home to the five US volcano observatories with offices in Anchorage, Alaska; Menlo Park and Mountain View, California; Vancouver, Washington; and Hilo, Hawaii. 

Learn More About Our Science and Research — Volcano Hazards Program


Date published: June 2, 2021

Status of (mostly) Washington's Volcanoes: Report to Emergency Managers 2020-2021

While most of the Cascade Range volcanoes are located in remote areas, volcanic processes like ashfall and lahars can put large populations at risk. Frequent communication and interactions among scientists and emergency managers will help prepare us for future hazards.

Date published: May 12, 2021

Christina Neal to Lead USGS Volcano Science Center

ANCHORAGE, Alaska — On May 9, 2021, Christina (Tina) Neal became the new director of the U.S. Geological Survey Volcano Science Center, home of the Alaska, California, Cascades, Hawaiian and Yellowstone volcano observatories.  


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Year Published: 2021

Multidisciplinary constraints on magma compressibility, the pre-eruptive exsolved volatile fraction, and the H2O/CO2 molar ratio for the 2006 Augustine eruption, Alaska

Geodetically modeled reservoir volume changes during volcanic eruptions are commonly much smaller than the observed eruptive volumes. This discrepancy is thought to be partially due to the compressibility of magma, which is largely controlled by the presence of exsolved volatiles. The 2006 eruption of Augustine Volcano, Alaska, produced an...

Wasser, Valerie K.; Lopez, Taryn M.; Anderson, Kyle R.; Izbekov, Pavel E.; Freymueller, Jeffrey T.

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Year Published: 2021

Origin of unconsolidated Quaternary deposits at Harriet Point near Redoubt Volcano, Alaska

Unconsolidated boulder-rich diamicton units exposed in sea cliffs at Harriet Point southeast of Redoubt Volcano were evaluated to better understand their provenance relative to the late Quaternary eruptive history of the volcano. A previous study concluded that deposits at Harriet Point were emplaced by a large volcanic landslide originating on...

Waythomas, Christopher F.
Waythomas, C.F., 2021, Origin of unconsolidated Quaternary deposits at Harriet Point near Redoubt Volcano, Alaska: U.S. Geological Survey Scientific Investigations Report 2021-5071, 14 p., https://doi.org/10.3133/sir20215071.

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Year Published: 2021

The structure and volume of large geysers in Yellowstone National Park, USA and the mineralogy and chemistry of their silica sinter deposits

Siliceous sinter is formed by biogenic and abiogenic opal deposition around hot springs and geysers. Using Structure-from-Motion photogrammetry we generated three-dimensional models of Giant and Castle Geysers from the Upper Geyser Basin of Yellowstone National Park. We use these models to calculate an approximate mass of sinter for each (~2 and...

Churchill, Dakota; Manga, Michael; Hurwitz, Shaul; Peek, Sara; Damby, David; Conrey, Richard; Wood, John R.; McCleskey, R. Blaine; Keller, William E.; Hosseini, Behnaz; Hungerford, Jefferson D.G.