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Dome within Mount St. Helens' crater from the Sugar Bowl remote cam...
Dome within Mount St. Helens' crater from the Sugar Bowl remote cam...
Dome within Mount St. Helens' crater from the Sugar Bowl remote cam...
Dome within Mount St. Helens' crater from the Sugar Bowl remote cam...

Dome within Mount St. Helens' crater from the Sugar Bowl remote camera. Image has been converted to black/white for clarity.

Dome within Mount St. Helens' crater from the Sugar Bowl remote camera. Image has been converted to black/white for clarity.

Aerial, Mount St. Helens' crater and dome from the southeast....
Aerial, Mount St. Helens' crater and dome from SE.
Aerial, Mount St. Helens' crater and dome from SE.
Aerial, Mount St. Helens' crater and dome from SE.

Aerial, Mount St. Helens' crater and dome from the southeast.

Image: Mud Volcano
Mud Volcano
Mud Volcano
Mud Volcano

A surface expression of geothermal activity.

A surface expression of geothermal activity.

Mount St. Helens from the Johnston Ridge Observatory (JRO). Decembe...
Mount St. Helens from Johnston Ridge Observatory (JRO). Dec. 2005
Mount St. Helens from Johnston Ridge Observatory (JRO). Dec. 2005
Mount St. Helens from Johnston Ridge Observatory (JRO). Dec. 2005

Mount St. Helens from the Johnston Ridge Observatory (JRO). December 2005

Dome within Mount St. Helens' crater with glacier uplift, viewed fr...
Dome within Mount St. Helens' crater with glacier uplift, viewed fr...
Dome within Mount St. Helens' crater with glacier uplift, viewed fr...
Dome within Mount St. Helens' crater with glacier uplift, viewed fr...

Dome within Mount St. Helens' crater with glacier uplift, viewed from the northeast. The green circle on the left crater wall is lens flare. December 23, 2005

Dome within Mount St. Helens' crater with glacier uplift, viewed from the northeast. The green circle on the left crater wall is lens flare. December 23, 2005

Mount St. Helens' glacier uplift, viewed from the east. New growth ...
Mount St. Helens' glacier uplift, viewed from the east. New growth ...
Mount St. Helens' glacier uplift, viewed from the east. New growth ...
Mount St. Helens' glacier uplift, viewed from the east. New growth ...

Mount St. Helens' glacier uplift, viewed from the east. New growth is to the right. December 23, 2004.

Dome surface within Mount St. Helens' crater, close-in view. Decemb...
Dome surface within Mount St. Helens' crater, close-in view. Dec. 2005
Dome surface within Mount St. Helens' crater, close-in view. Dec. 2005
Dome surface within Mount St. Helens' crater, close-in view. Dec. 2005

Dome surface within Mount St. Helens' crater, close-in view. December 2005

Ice build up on the Sugar Bowl Camera on Mount St. Helens western c...
Ice build up on Sugar Bowl Camera on Mount St. Helens
Ice build up on Sugar Bowl Camera on Mount St. Helens
Ice build up on Sugar Bowl Camera on Mount St. Helens

Ice build up on the Sugar Bowl Camera on Mount St. Helens western crater rim.

Mount St. Helens' crater and dome, from Sugar Bowl. ...
Mount St. Helens' crater and dome, from Sugar Bowl.
Mount St. Helens' crater and dome, from Sugar Bowl.
Mount St. Helens' crater and dome, from Sugar Bowl.

Mount St. Helens' crater and dome, from Sugar Bowl.

Close-in view of Mount St. Helens' dome from Sugar Bowl. Large crac...
Close-in view of Mount St. Helens' dome from Sugar Bowl. Large crac...
Close-in view of Mount St. Helens' dome from Sugar Bowl. Large crac...
Close-in view of Mount St. Helens' dome from Sugar Bowl. Large crac...

Close-in view of Mount St. Helens' dome from Sugar Bowl. Large crack down center of new growth is a fault (one of many on the dome), with the right section becoming higher than the left. December 2005

Close-in view of Mount St. Helens' dome from Sugar Bowl. Large crack down center of new growth is a fault (one of many on the dome), with the right section becoming higher than the left. December 2005

Dome within Mount St. Helens crater from the Johnston Ridge Observa...
Dome within Mount St. Helens crater, Dec. 23, 2005
Dome within Mount St. Helens crater, Dec. 23, 2005
Dome within Mount St. Helens crater, Dec. 23, 2005

Dome within Mount St. Helens crater from the Johnston Ridge Observatory (JRO). December 23, 2005

Dome within Mount St. Helens crater from the Johnston Ridge Observatory (JRO). December 23, 2005

Seismic spider, a rapid-response instrument slung from a helicopter...
Seismic spider, a rapid-response instrument slung from a helicopter...
Seismic spider, a rapid-response instrument slung from a helicopter...
Seismic spider, a rapid-response instrument slung from a helicopter...

Seismic spider (painted green). This unit was designed with a seperate weighted accelerometer (seismic unit)to replace the unit put out on November 20, 2004.

Seismic spider (painted green). This unit was designed with a seperate weighted accelerometer (seismic unit)to replace the unit put out on November 20, 2004.

Mount St. Helens from the northwest. Mount Hood (left) and Mount Je...
Mount St. Helens from NW. Mount Hood and Mount Jefferson (middle) a...
Mount St. Helens from NW. Mount Hood and Mount Jefferson (middle) a...
Mount St. Helens from NW. Mount Hood and Mount Jefferson (middle) a...

Mount St. Helens from the northwest. Mount Hood (left) and Mount Jefferson (middle) are on the skyline. December 2005

Mount St. Helens from the northwest. Mount Hood (left) and Mount Jefferson (middle) are on the skyline. December 2005

Mount St. Helens' crater and dome from the northwest. ...
Mount St. Helens' crater and dome from NW.
Mount St. Helens' crater and dome from NW.
Mount St. Helens' crater and dome from NW.

Mount St. Helens' crater and dome from the northwest.

Mount St. Helens' dome from the east-northeast. ...
Mount St. Helens' dome from the east-NE.
Mount St. Helens' dome from the east-NE.
Mount St. Helens' dome from the east-NE.

Mount St. Helens' dome from the east-northeast.

Mount St. Helens' crater and dome from the south. ...
Mount St. Helens' crater and dome from the south.
Mount St. Helens' crater and dome from the south.
Mount St. Helens' crater and dome from the south.

Mount St. Helens' crater and dome from the south.

Dome within Mount St. Helens' crater compressing glacier to the rig...
Dome within Mount St. Helens' crater compressing glacier to right, ...
Dome within Mount St. Helens' crater compressing glacier to right, ...
Dome within Mount St. Helens' crater compressing glacier to right, ...

Dome within Mount St. Helens' crater compressing glacier to the right, viewed from west. December 16, 2004.

Dome within Mount St. Helens' crater viewed from the Johnston Ridge...
Dome within Mount St. Helens' crater from Johnston Ridge Observatory
Dome within Mount St. Helens' crater from Johnston Ridge Observatory
Dome within Mount St. Helens' crater from Johnston Ridge Observatory

Dome within Mount St. Helens' crater viewed from the Johnston Ridge Observatory (JRO).

Mount St. Helens aerial view from the north-northeast. ...
Mount St. Helens aerial view from the north-NE.
Mount St. Helens aerial view from the north-NE.
Mount St. Helens aerial view from the north-NE.

Mount St. Helens aerial view from the north-northeast.

Dome within Mount Stl Helens' crater, southern portion. December 16...
Dome within Mount Stl Helens' crater, southern portion. Dec. 16, 2005
Dome within Mount Stl Helens' crater, southern portion. Dec. 16, 2005
Dome within Mount Stl Helens' crater, southern portion. Dec. 16, 2005

Dome within Mount Stl Helens' crater, southern portion. December 16, 2004.