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Volcano Hazard Program images.

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Aerial view, Mount St. Helens' crater and dome, as seen from the no...
Aerial view, Mount St. Helens' crater and dome, as seen from the no...
Aerial view, Mount St. Helens' crater and dome, as seen from the no...
Aerial view, Mount St. Helens' crater and dome, as seen from the no...

Aerial view, Mount St. Helens' crater and dome, as seen from the north-northeast. Ash covering is from event of January 16, 2005.

Opus area of the dome, looking towards new dome. Ash covering is fr...
Opus area of the dome. Ash covering is from event of Jan 16, 2005.
Opus area of the dome. Ash covering is from event of Jan 16, 2005.
Opus area of the dome. Ash covering is from event of Jan 16, 2005.

Opus area of the dome, looking towards new dome. Ash covering is from event of January 16, 2005.

Remains of the dome camera/gas sampling station on Opus, after the ...
Remains of dome camera/gas sampling station on Opus, Jan 16, 2006
Remains of dome camera/gas sampling station on Opus, Jan 16, 2006
Remains of dome camera/gas sampling station on Opus, Jan 16, 2006

The camera is missing, wooden base and fiberglass housing are broken, gas intake tube is disconnected, and there are three holes in the roof, and, although not obvious here, the station is tilted eastward 10-20 degrees (i.e., away from the likely source of the explosion).

The camera is missing, wooden base and fiberglass housing are broken, gas intake tube is disconnected, and there are three holes in the roof, and, although not obvious here, the station is tilted eastward 10-20 degrees (i.e., away from the likely source of the explosion).

Mount St. Helens' crater and new dome, from the west. Gash on top o...
Mount St. Helens' crater and new dome, from the west. Gash on top o...
Mount St. Helens' crater and new dome, from the west. Gash on top o...
Monitoring equipment installation on Mount St. Helens' dome. Camera...
Monitoring equipment installation on Mount St. Helens' dome. Camera...
Monitoring equipment installation on Mount St. Helens' dome. Camera...
Monitoring equipment installation on Mount St. Helens' dome. Camera...

Monitoring equipment installation on Mount St. Helens' dome. Camera/gas sampling station is to the right underneath helicopter. GPS/accelerometer (seismometer) spider is just visible as a speck on top of new dome.

Monitoring equipment installation on Mount St. Helens' dome. Camera/gas sampling station is to the right underneath helicopter. GPS/accelerometer (seismometer) spider is just visible as a speck on top of new dome.

Tilt-leg spider, a rapid-response instrument made to rest on top of...
Tilt-leg spider, a rapid-response instrument made to rest on top of...
Tilt-leg spider, a rapid-response instrument made to rest on top of...
Tilt-leg spider, a rapid-response instrument made to rest on top of...

Tilt-leg spider, a rapid-response instrument made to rest on top of the north-face of the 2005 Mount St. Helens lava dome. Includes GPS and seismometer.

Mount St. Helens' new dome, from the south. Orange speck in the cen...
Mount St. Helens' new dome, from the south. Orange speck in the cen...
Mount St. Helens' new dome, from the south. Orange speck in the cen...
Mount St. Helens' new dome, from the south. Orange speck in the cen...

Mount St. Helens' new dome, from the south. Orange speck in the center of the photo is a portable telemetered "spider." January 2005.

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