Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Images related to natural hazards.
FLIR (forward looking infrared monitoring instrument) mounted on nose of helicopter with Mount St. Helens in the background.
FLIR (forward looking infrared monitoring instrument) mounted on nose of helicopter with Mount St. Helens in the background.
Mount St. Helens with a swarm of news trucks during the October, 2004 increase in activity.
Mount St. Helens with a swarm of news trucks during the October, 2004 increase in activity.
Ash plume and crater rim at Mount St. Helens, October 2004, aerial view.
Ash plume and crater rim at Mount St. Helens, October 2004, aerial view.
Crater rim and ash from October 2004 Mount St. Helens plume.
Crater rim and ash from October 2004 Mount St. Helens plume.
Mount St. Helens' crater, October 2004, aerial view from the east.
Mount St. Helens' crater, October 2004, aerial view from the east.
Dome within Mount St. Helens' crater, aerial view from the east.
Dome within Mount St. Helens' crater, aerial view from the east.
Dome and glacier within Mount St. Helens's crater, October 2004, aerial view from the northwest.
Dome and glacier within Mount St. Helens's crater, October 2004, aerial view from the northwest.
Ash plume and crater rim at Mount St. Helens, October 2004, aerial view from the south.
Ash plume and crater rim at Mount St. Helens, October 2004, aerial view from the south.
Dome and glacier within Mount St. Helens crater, October 2004, aerial view from the south.
Dome and glacier within Mount St. Helens crater, October 2004, aerial view from the south.
Mount St. Helens dome and jumbled glacier from the south. October 2005
Mount St. Helens dome and jumbled glacier from the south. October 2005
Crater and 1980-1986 dome of Mount St. Helens with the glacier on the right. View toward the south.
Crater and 1980-1986 dome of Mount St. Helens with the glacier on the right. View toward the south.
Dome inside the crater of Mount St. Helens, with the 2004 "welt" in a darker grey shade at the south edge (top in this photo) of the lighter colored 1980-86 dome. Aerial view toward the south.
Dome inside the crater of Mount St. Helens, with the 2004 "welt" in a darker grey shade at the south edge (top in this photo) of the lighter colored 1980-86 dome. Aerial view toward the south.
Crater and 1980-86 lava dome of Mount St. Helens, ash covered areas are grey, and new vent is the depression in lower center of photograph. Spirit Lake is in the background. View toward the north.
Crater and 1980-86 lava dome of Mount St. Helens, ash covered areas are grey, and new vent is the depression in lower center of photograph. Spirit Lake is in the background. View toward the north.
Beginning of plume above Mount St. Helens dome, as seen from Johnston Ridge Observatory.
Beginning of plume above Mount St. Helens dome, as seen from Johnston Ridge Observatory.
Sunset on the crater rim and flanks of Mount St. Helens, with Mount Adams in the distance.
Sunset on the crater rim and flanks of Mount St. Helens, with Mount Adams in the distance.
Ash, erupted from the early phases of the 2004 Mount St. Helens activity, is remobilized from the surface of an ash-covered from a moving vehicle.
Ash, erupted from the early phases of the 2004 Mount St. Helens activity, is remobilized from the surface of an ash-covered from a moving vehicle.
Mount St. Helens dome as seen from above the southwestern crater rim. Ash from the plume of 10-01-04 is visible on the glacier at the base of the dome. The vent from that event is visible at the base of the dome on the right. October 2005
Mount St. Helens dome as seen from above the southwestern crater rim. Ash from the plume of 10-01-04 is visible on the glacier at the base of the dome. The vent from that event is visible at the base of the dome on the right. October 2005
Mount St. Helens crater and dome as seen from the northeast. To the right of the dome, the snout (nose or leading edge) of Crater Glacier is visible. October 2005
Mount St. Helens crater and dome as seen from the northeast. To the right of the dome, the snout (nose or leading edge) of Crater Glacier is visible. October 2005
Mount St. Helens dome and jumbled glacier from the south. October 2005
Mount St. Helens dome and jumbled glacier from the south. October 2005
South side of Mount St. Helens lava dome, glacier (cracked snowy surface in foreground at base of dome) is being uplifted due to increase in activity. October 2, 2004.
South side of Mount St. Helens lava dome, glacier (cracked snowy surface in foreground at base of dome) is being uplifted due to increase in activity. October 2, 2004.
Ash on southwest crater floor, as seen from the south crater rim. Mount St. Helens dome is on the right.
Ash on southwest crater floor, as seen from the south crater rim. Mount St. Helens dome is on the right.