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Images related to natural hazards.
Dome within Mount St. Helens' crater, December 2004, aerial view from the northwest. Mount Adams is in the background.
Dome within Mount St. Helens' crater, December 2004, aerial view from the northwest. Mount Adams is in the background.
View close-up of same image.
View photograph showing vantage point from farther away.
View photograph showing vantage point from farther away.
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.
Mount St. Helens' crater and new dome from the northwest.
Mount St. Helens' crater and new dome from the northwest.
A surface expression of geothermal activity.
A surface expression of geothermal activity.
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
Dome surface within Mount St. Helens' crater, close-in view. December 2005
Dome surface within Mount St. Helens' crater, close-in view. December 2005
Mount St. Helens' crater and dome, from Sugar Bowl.
Mount St. Helens' crater and dome, from Sugar Bowl.
Mount St. Helens' glacier uplift, viewed from the east. New growth is to the right. December 23, 2004.
Mount St. Helens' glacier uplift, viewed from the east. New growth is to the right. December 23, 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.
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 Johnston Ridge Observatory (JRO). December 2005
Mount St. Helens from the Johnston Ridge Observatory (JRO). December 2005
Ice build up on the Sugar Bowl Camera on Mount St. Helens western crater rim.
Ice build up on the Sugar Bowl Camera on Mount St. Helens western crater rim.
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 Observatory (JRO). December 23, 2005
Dome within Mount St. Helens crater from the Johnston Ridge Observatory (JRO). December 23, 2005
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 the northwest.
Dome within Mount St. Helens' crater compressing glacier to the right, viewed from west. December 16, 2004.
Dome within Mount St. Helens' crater compressing glacier to the right, viewed from west. December 16, 2004.
Mount St. Helens aerial view from the north-northeast.
Mount St. Helens aerial view from the north-northeast.
Mount St. Helens' dome from the east-northeast.
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.