View of the south side of the dome from over the crater rim.
View of the south side of the dome from over the crater rim.View of the south side of the dome from over the crater rim.
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Volcano Hazard Program images.
View of the south side of the dome from over the crater rim.
View of the south side of the dome from over the crater rim.
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.
Plume/crater image of Mount St. Helens October 1, 2004 at 12:08:38 PDT.
Plume/crater image of Mount St. Helens October 1, 2004 at 12:08:38 PDT.
Mount St. Helens' crater, dome, and glacier uplift from the southeast, after steam and ash eruption.
Mount St. Helens' crater, dome, and glacier uplift from the southeast, after steam and ash eruption.
Vent blasted through the Mount St. Helens' crater glacier.
Vent blasted through the Mount St. Helens' crater glacier.
Plume within Mount St. Helens' crater, October 1, 2004 at 12:03:32 PDT.
Plume within Mount St. Helens' crater, October 1, 2004 at 12:03:32 PDT.
Plume/crater image of Mount St. Helens October 1, 2004 at 12:13 PDT.
Plume/crater image of Mount St. Helens October 1, 2004 at 12:13 PDT.
Plume within Mount St. Helens' crater, October 1, 2004 at 12:16 PDT.
Plume within Mount St. Helens' crater, October 1, 2004 at 12:16 PDT.
1980-1986 Mount St. Helens' dome and glacier uplift (cracked gray surface in snow to left of main dome) from the east, before steam and ash eruption.
1980-1986 Mount St. Helens' dome and glacier uplift (cracked gray surface in snow to left of main dome) from the east, before steam and ash eruption.
Plume within Mount St. Helens' crater, October 1, 2004 at 12:03:23 PDT.
Plume within Mount St. Helens' crater, October 1, 2004 at 12:03:23 PDT.
Plume from Johnston Ridge Observatory, Mount St. Helens. October 1, 2004.
Plume from Johnston Ridge Observatory, Mount St. Helens. October 1, 2004.
Mount St. Helens' dome and glacier uplift from the east, after steam and ash eruption.
Mount St. Helens' dome and glacier uplift from the east, after steam and ash eruption.
Plume/crater image of Mount St. Helens October 1, 2004 at 12:03:55 PDT.
Plume/crater image of Mount St. Helens October 1, 2004 at 12:03:55 PDT.
Mount St. Helens' dome and glacier uplift from the east, after steam and ash eruption.
Mount St. Helens' dome and glacier uplift from the east, after steam and ash eruption.
USGS CVO scientist answers media inquiries relating to the increase in Mount St. Helens activity, October 2004.
USGS CVO scientist answers media inquiries relating to the increase in Mount St. Helens activity, October 2004.
South side of Mount St. Helens lava dome, as seen from the east, showing the dome and part of the glacier forming at the base of the dome. September 30, 2005
South side of Mount St. Helens lava dome, as seen from the east, showing the dome and part of the glacier forming at the base of the dome. September 30, 2005
Upper slopes of Glacier Peak, Washington.
Upper slopes of Glacier Peak, Washington.
Western side of Mount St. Helens crater, and dome, showing the glacier forming at the base of the dome.
Western side of Mount St. Helens crater, and dome, showing the glacier forming at the base of the dome.
Close-in view of south side of Mount St. Helens lava dome, as seen from the southeast, showing the dome and part of the glacier forming at the base of the dome. September 2005
Close-in view of south side of Mount St. Helens lava dome, as seen from the southeast, showing the dome and part of the glacier forming at the base of the dome. September 2005
Oblique aerial photograph of north flank, crater, lava dome and new glacier (behind dome), Mount St. Helens, Washington state, USA. Mount Hood, Oregon, is faintly visible in the background.
Oblique aerial photograph of north flank, crater, lava dome and new glacier (behind dome), Mount St. Helens, Washington state, USA. Mount Hood, Oregon, is faintly visible in the background.
Mount St. Helens crater and dome as seen from SugarBowl, on the NE flank of the volcano. September 2005
Mount St. Helens crater and dome as seen from SugarBowl, on the NE flank of the volcano. September 2005