Volcano Hazards Program Office

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Variations of repeating earthquake activity through time. Click to ...

Variations of repeating earthquake activity through time

Top: Map of repeating earthquake areas corresponding to the deformation episodes, below. Bottom: Left 1996-1998 Yellowstone caldera uplift episode. Middle: 1998-2004 subsidence episode. Right: 2004-2010 uplift episode. Bottom: vertical ground deformation from GPS observations at station, WLWY, on the Sour Creek resurgent dome.

Mount St. Helens Crater Glacier...

Mount St. Helens Crater Glacier

Map of Mount St. Helens Crater Glacier created from LiDAR data acquired September 2009.

Clear day view of Pavlof DOL

Pavlof - DOL

 

The Pavlof team (Ketner/Wech/Wellik) activated a new camera at station DOL on Tuesday (July 4). This camera looks north and provides good coverage of the volcanic complex in this region. Read more about Pavlof volcano.

webcam image of shield volcano

[MKcam]: Mauna Loa's Summit and Northeast Rift Zone from Mauna Kea

Live Image of Mauna Loa's Summit and Northeast Rift Zone from Mauna Kea [MKcam].

Disclaimer: The webcams are operational 24/7 and faithfully record the dark of night if there are no sources of incandescence or other lights. Thermal webcams record heat rather than light and get better views through volcanic gas. At times, clouds and rain obscure visibility. The

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Cleary day view of MO cam

[MOcam] Mokuʻāweoweo Caldera from South Rim

This image is from a research camera positioned on the south rim of Mokuʻāweoweo, Mauna Loa's summit caldera, in Hawaiʻi Volcanoes National Park. The camera looks north-northwest, focusing on the southern part of the caldera. The 1940 cone is just right of center; the 1949 cone is on the caldera rim at left. The high point of Mauna Loa's summit is in the background.

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webcam image of crater hosting a lava lake

[S1cam] - Halemaʻumaʻu crater from south rim of collapse features

Live view of Halemaʻumaʻu - temporary webcam image showing the crater lava lake [S1cam].

Disclaimer: The webcams are operational 24/7 and faithfully record the dark of night if there are no sources of incandescence or other lights. Thermal webcams record heat rather than light and get better views through volcanic gas. At times, clouds and rain obscure visibility.

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Locations (Lat, Long, Depth) of January 17, 2010, earthquake swarm ...

Locations of Jan 17, 2010, earthquake swarm on Madison Plateau, YNP

Locations (Lat, Long, Depth) of January 17, 2010, earthquake swarm on Madison Plateau, Yellowstone National Park.

Mount St. Helens prior to the catastrophic eruption of May 18, 1980...

Mount St. Helens prior to catastrophic eruption of May 18, 1980. St...

Mount St. Helens prior to the catastrophic eruption of May 18, 1980. Streams and lava flows also visible. View is looking southerly from oblique aerial view. Mount Hood in distance.

USGS HVO geochemist measuring gases released from Kīlauea with a Fo...

USGS HVO geochemist measuring gases released from Kīlauea with a Fo...

USGS HVO geochemist measuring gases released from Kīlauea with a Fourier transform infrared (FTIR) spectrometer, an instrument that detects gas compositions on the basis of absorbed infrared light.

Mount Rainier, Washington simplified hazards map showing potential ...

Mount Rainier, WA simplified hazards map

This map shows areas that could be affected by debris flows, lahars, lava flows, and pyroclastic flows from Mount Rainier if events similar in size to past events occurred today. Because small lahars are more common than large ones, most lahars would be less extensive than the hazard zone shown on the map and a few would be more extensive. The lahar hazard is not equal in

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Crater Lake bathymetric map showing the geology of the caldera floo...

Crater Lake bathymetric map showing the geology of the caldera floo...

Crater Lake bathymetric map showing the geology of the caldera floor with post-caldera eruptive units. Oregon