The Cascades Volcano Observatory Open House will be held Saturday, May 10, 2025, from 10:00 AM to 4:00 PM PT. The family-friendly event is free and open to the public.
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Images related to Cascades Volcano Observatory.
The Cascades Volcano Observatory Open House will be held Saturday, May 10, 2025, from 10:00 AM to 4:00 PM PT. The family-friendly event is free and open to the public.

Map of Newberry volcano shows location where earthquakes occurred during geothermal work in 2012 and 2014 (orange circles) and volcanic earthquakes that have occurred since 2011 (blue circles).
Map of Newberry volcano shows location where earthquakes occurred during geothermal work in 2012 and 2014 (orange circles) and volcanic earthquakes that have occurred since 2011 (blue circles).

Research Scientist Emily Johnson calibrates the FTIR in the Cascades VOlcano Observatory Petrology Lab.
Research Scientist Emily Johnson calibrates the FTIR in the Cascades VOlcano Observatory Petrology Lab.

Research Scientist Emily Johnson calibrates the FTIR in the Cascades Volcano Observatory Petrology Lab.
Research Scientist Emily Johnson calibrates the FTIR in the Cascades Volcano Observatory Petrology Lab.

A screenshot of an algorithm that David George is working on at CVO. David uses mathematics and computers to solve complex modeling problems.
A screenshot of an algorithm that David George is working on at CVO. David uses mathematics and computers to solve complex modeling problems.

A screenshot of an algorithm that David George is working on at CVO. David uses math and computer programming to solve complex problems.
A screenshot of an algorithm that David George is working on at CVO. David uses math and computer programming to solve complex problems.

Screenshot of an algorithm that David George is working on to model debris flows.
Screenshot of an algorithm that David George is working on to model debris flows.

USGS scientist Alex Iezzi fixing the solar panels of a permanent monitoring station in Alaska.
USGS scientist Alex Iezzi fixing the solar panels of a permanent monitoring station in Alaska.

USGS scientist Alex Iezzi atop Santa Maria overlooking an eruption of the Santiaguito lava-dome complex, Guatemala.
linkUSGS scientist Alex Iezzi atop Santa Maria overlooking an eruption of the Santiaguito lava-dome complex, Guatemala.
USGS scientist Alex Iezzi atop Santa Maria overlooking an eruption of the Santiaguito lava-dome complex, Guatemala.
linkUSGS scientist Alex Iezzi atop Santa Maria overlooking an eruption of the Santiaguito lava-dome complex, Guatemala.

Unique shields shaped like small metal cones protect infrasound sensors from wind interference.
linkUnique shields shaped like small metal cones protect infrasound sensors from wind interference.
Unique shields shaped like small metal cones protect infrasound sensors from wind interference.
linkUnique shields shaped like small metal cones protect infrasound sensors from wind interference.

USGS scientist Alex Iezzi digging a 5 foot deep hole to install volcano monitoring equipment at Mount Rainier in Washington.
linkUSGS scientist Alex Iezzi digging a 5 foot deep hole to install volcano monitoring equipment at Mount Rainier in Washington.
USGS scientist Alex Iezzi digging a 5 foot deep hole to install volcano monitoring equipment at Mount Rainier in Washington.
linkUSGS scientist Alex Iezzi digging a 5 foot deep hole to install volcano monitoring equipment at Mount Rainier in Washington.

CVO Seismologist Wes Thelen pointing out a small earthquake at Mount Adams in the Operations Room.
CVO Seismologist Wes Thelen pointing out a small earthquake at Mount Adams in the Operations Room.

USGS scientist Wes Thelen standing in front of lava fountaining during and eruption from Kilauea volcano.
linkUSGS scientist Wes Thelen standing in front of lava fountaining during and eruption from Kilauea volcano.
USGS scientist Wes Thelen standing in front of lava fountaining during and eruption from Kilauea volcano.
linkUSGS scientist Wes Thelen standing in front of lava fountaining during and eruption from Kilauea volcano.
CVO Seismologist admires the view from atop a monitoring station after adjusting the solar panels.
linkCVO Seismologist admires the view from atop a monitoring station after adjusting the solar panels.
CVO Seismologist admires the view from atop a monitoring station after adjusting the solar panels.
linkCVO Seismologist admires the view from atop a monitoring station after adjusting the solar panels.
USGS seismologist installs a seismometer as part of a volcano monitoring network.
USGS seismologist installs a seismometer as part of a volcano monitoring network.
USGS Scientists complete the maintenance of a solar powered volcano monitoring station.
USGS Scientists complete the maintenance of a solar powered volcano monitoring station.

USGS Scientists Maciej Obryk sits in ice at the HJ Andrews Experimental Forest in Blue River, Oregon.
linkMaciej Obryk is a Research Hydrologist at the Cascades Volcano Observatory. He manages the large-scale experimental debris flow flume facility, and his primary research is on the initiation and rapid movement of icy/rocky debris flows at volcanoes.
USGS Scientists Maciej Obryk sits in ice at the HJ Andrews Experimental Forest in Blue River, Oregon.
linkMaciej Obryk is a Research Hydrologist at the Cascades Volcano Observatory. He manages the large-scale experimental debris flow flume facility, and his primary research is on the initiation and rapid movement of icy/rocky debris flows at volcanoes.

The experimental flume was the idea of USGS scientist Richard Iverson. Through collaboration between the USGS and the U.S. Forest Service, this dream was realized, and the debris flow flume was constructed in 1991 and use began in 1992.
The experimental flume was the idea of USGS scientist Richard Iverson. Through collaboration between the USGS and the U.S. Forest Service, this dream was realized, and the debris flow flume was constructed in 1991 and use began in 1992.
USGS Scientists adding water to an experiment at the debris flow flume with a hose. The experimental flume was the idea of USGS scientist Richard Iverson. Through collaboration between the USGS and the U.S. Forest Service, this dream was realized, and the debris flow flume was constructed in 1991 and use began in 1992.
USGS Scientists adding water to an experiment at the debris flow flume with a hose. The experimental flume was the idea of USGS scientist Richard Iverson. Through collaboration between the USGS and the U.S. Forest Service, this dream was realized, and the debris flow flume was constructed in 1991 and use began in 1992.
The experimental flume was the idea of USGS scientist Richard Iverson. Through collaboration between the USGS and the U.S. Forest Service, this dream was realized, and the debris flow flume was constructed in 1991 and use began in 1992.
The experimental flume was the idea of USGS scientist Richard Iverson. Through collaboration between the USGS and the U.S. Forest Service, this dream was realized, and the debris flow flume was constructed in 1991 and use began in 1992.
Maciej Obryk is a Research Hydrologist at the Cascades Volcano Observatory working at the debris flow flume.
linkMaciej Obryk is a Research Hydrologist at the Cascades Volcano Observatory. He manages the large-scale experimental debris flow flume facility and his primary research is on the initiation and rapid movement of icy/rocky debris flows at volcanoes.
Maciej Obryk is a Research Hydrologist at the Cascades Volcano Observatory working at the debris flow flume.
linkMaciej Obryk is a Research Hydrologist at the Cascades Volcano Observatory. He manages the large-scale experimental debris flow flume facility and his primary research is on the initiation and rapid movement of icy/rocky debris flows at volcanoes.