Mount St. Helens, Washington, 2004 Crater, Dome, and Eruption Images
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October 12, 2004
	MSH04_growth_on_dome_from_west_10-12-04.jpg Mount St. Helens crater dome and uplift with new growth, as seen from the west. USGS Photograph taken on 12 October 2004, by Jeff Wynn. [medium size] ... [large size]
	MSH04_growth_on_dome_closein_from_west_10-12-04.jpg Mount St. Helens crater dome and uplift with new growth, as seen from the west. USGS Photograph taken on 12 October 2004, by Jeff Wynn. [medium size] ... [large size]
	MSH04_preparing_BLIS_for_dome_10-12-04.jpg USGS scientists do last minute preparations for slinging the BLIS instruments to the dome. The instrument package consists of a high and low-gain accelerometer (seismometer) and a microphone. All are named "BLIS" (Blister). USGS Photograph taken on 12 October 2004. [medium size] ... [large size]
	MSH04_slinging_BLIS_for_dome_10-12-04.jpg Slinging the BLIS instrument package. USGS Photograph taken on 12 October 2004. [medium size] ... [large size]
	MSH04_USGS_station_BLIS_on_dome_10-12-04.jpg USGS Station BLIS (orange reflection in circle), as seen at Opus on the south side of the dome. USGS Photograph taken on 12 October 2004 by Jeff Wynn. [medium size] ... [large size]
	MSH04_USGS_station_BLIS_on_dome_closein_10-12-04.jpg USGS Station BLIS (orange reflection in circle), as seen at Opus on the south side of the dome. Enlargement of previous image. USGS Photograph taken on 12 October 2004 by Jeff Wynn. [medium size]
October 11, 2004
	MSH04_crater_dome_from_northwest_10-11-04.jpg Mount St. Helens crater and dome as seen from the northwest. USGS Photograph taken on 11 October 2004, by Jon Major. [medium size] ... [large size]
	MSH04_dome_uplift_from_west_10-11-04.jpg Mount St. Helens dome and uplift from the west. USGS Photograph taken on 11 October 2004, by Jon Major. [medium size] ... [large size]
	MSH04_dome_uplift_closein_from_west_10-11-04.jpg Mount St. Helens dome and uplift from the west. USGS Photograph taken on 11 October 2004, by Jon Major. [medium size] ... [large size]
	MSH04_crater_rim_dome_uplift_from_SW_10-11-04.jpg Mount St. Helens crater rim and dome from the southwest. Spirit Lake is visible in the upper left corner of the image. USGS Photograph taken on 11 October 2004, by Jon Major. [medium size] ... [large size]
	MSH04_dome_uplift_from_south_10-11-04.jpg Mount St. Helens dome and uplift from the south. USGS Photograph taken on 11 October 2004, by Jon Major. [medium size] ... [large size]
	MSH04_dome_uplift_from_east_10-11-04.jpg Mount St. Helens dome and uplift from the east. USGS Photograph taken on 11 October 2004, by Kirstie Simpson. [medium size] ... [large size]
	MSH04_crater_dome_uplift_from_NE_10-11-04.jpg Mount St. Helens crater, dome, and uplift from the northeast. USGS Photograph taken on 11 October 2004, by Mike Poland. [medium size] ... [large size]
	MSH04_st_helens_from_south_10-11-04.jpg Mount St. Helens from the south. USGS Photograph taken on 11 October 2004, by Kirstie Simpson. [medium size] ... [large size]
	MSH04_crater_dome_plume_from_JRO_10-11-04.jpg Mount St. Helens crater, dome, and plume, as seen from Johnston Ridge Observatory (JRO). USGS Photograph taken on 11 October 2004, by Matt Logan. [medium size] ... [large size]
	MSH04_st_helens_crater_pumice_plain_10-11-04.jpg Mount St. Helens crater, with the Pumice Plain in the foreground. USGS Photograph taken on 11 October 2004, by Mike Poland. [medium size] ... [large size]
October 10, 2004
	MSH04_aerial_crater_dome_steam_from_east_10-10-04.jpg Mount St. Helens crater and dome as seen from the east. USGS Photograph taken on 10 October 2004, by Cynthia Gardner. [medium size] ... [large size]
	MSH04_aerial_crater_dome_steam_from_NE_10-10-04.jpg Mount St. Helens crater and dome as seen from the northeast. USGS Photograph taken on 10 October 2004, by Jim Vallance. [medium size] ... [large size]
	MSH04_crater_dome_uplift_from_NW_10-10-04.jpg Mount St. Helens dome and uplift as seen from the northwest. USGS Photograph taken on 10 October 2004, by Jim Vallance. [medium size] ... [large size]
	MSH04_dome_uplift_from_west_10-10-04.jpg Mount St. Helens dome and uplift as seen from the west. USGS Photograph taken on 10 October 2004, by Jim Vallance. [medium size] ... [large size]
	MSH04_st_helens_with_steam_from_10-10-04.jpg Mount St. Helens as seen from Johnston Ridge Observatory (JRO). USGS Photograph taken on 10 October 2004, by Gene Iwatsubo. [medium size] ... [large size]
October 7, 2004
	MSH04_crater_dome_from_northeast_10-07-04.jpg Mount St. Helens crater and dome as seen from the northeast. USGS Photograph taken on 7 October 2004 at 09:17:38 PDT, by Steve Schilling. [medium size] ... [large size]
	MSH04_dome_glacier_uplift_from_SSE_10-07-04.jpg View from the south-southeast side of Mount St. Helens lava dome looking at the lava dome (behind) and the uplift of the glacier and south flank of the lava dome (in front). USGS Photograph taken on 7 October 2004 at 09:19:08 PDT, by Steve Schilling. [medium size] ... [large size]
	MSH04_dome_glacier_uplift_three_vents_10-07-04.jpg View from the south-southeast side of Mount St. Helens lava dome looking at the lava dome (behind) and the uplift of the glacier and south flank of the lava dome (in front). USGS Photograph taken on 7 October 2004 at 09:05:43 PDT, by Steve Schilling. [medium size] ... [large size]
	MSH04_crater_rim_dome_uplift_from_SE_10-07-04.jpg View from the southeast side of Mount St. Helens lava dome looking at the lava dome. USGS Photograph taken on 7 October 2004 by Dan Dzurisin. [medium size] ... [large size]
	MSH04_dome_glacier_uplift_closein_from_SE_10-07-04.jpg View from the southeast side of Mount St. Helens lava dome looking at the uplift of the glacier and south flank of the lava dome. USGS Photograph taken on 7 October 2004 by Dan Dzurisin. [medium size] ... [large size]
	MSH04_dome_glacier_uplift_from_east_10-07-04.jpg View from the east side of Mount St. Helens lava dome looking at the lava dome (right) and the uplift of the glacier and south flank of the lava dome (left). USGS Photograph taken on 7 October 2004 by Dan Dzurisin. [medium size] ... [large size]
October 6, 2004
	MSH04_dome_glacier_uplift_from_NW_10-06-04.jpg View from the northwest side of Mount St. Helens lava dome looking at the lava dome (on left) and the uplift of the glacier and south flank of the lava dome (on right). USGS Photograph taken on 6 October 2004, by Jon Major. [medium size] ... [large size]
	MSH04_dome_glacier_uplift_from_NE_10-06-04.jpg View from the northeast side of Mount St. Helens lava dome looking at the lava dome (on right) and the uplift of the glacier and south flank of the lava dome (on left). USGS Photograph taken on 6 October 2004 at 17:20:28 PDT, by John Pallister. [medium size] ... [large size]
	MSH04_dome_glacier_uplift_10-06-04.jpg View from the east side of Mount St. Helens dome looking at the uplift of the glacier and south flank of the lava dome. USGS Photograph taken on 6 October 2004 at 17:26:24 PDT, by John Pallister. [medium size] ... [large size]
	MSH04_venting_from_west_glacier_uplift_10-06-04.jpg Vigorous venting from west part of the Crater Glacier uplift. USGS Photograph taken on 6 October 2004 at 17:28:50 PDT, by John Pallister. [medium size] ... [large size]
	MSH04_aerial_crater_steps_from_north_10-06-04.jpg View of Mount St. Helens crater and the Sasquach Steps as seen from the north. The dark "muddy" looking area in the right foreground is old erosional debris flows from Step Channel (on right) over the years. The lighter ribbon of grey to the left of the darker area is a lahar from Loowit Channel from early morning of October 6, 2004. The yellowish-green color on the surface is plant growth. USGS Photograph taken on 6 October 2004 by John Pallister. [medium size] ... [large size]
	MSH04_aerial_step_and_loowit_channels_10-06-04.jpg Aerial view from the crater mouth looking downstream at Step (left) and Loowit (right) channels. The lighter grey from Loowit Channel is the lahar of early morning, October 6, 2004. Step Channel and Loowit Channel merge on the Pumice Plain. Spirit Lake is visible on the upper right. The yellowish-green color on the surface is plant growth. USGS Photograph taken on 6 October 2004 by John Pallister. [medium size] ... [large size]
	MSH04_loowit_channel_after_debris_flow_10-06-04.jpg Loowit Channel with lahar of October 6, 2004, with the Step Channel visible on the right. The yellowish-green color on the surface is plant growth. USGS Photograph taken on 6 October 2004 by John Pallister. [medium size] ... [large size]
October 5, 2004
	MSH04_crater_rim_plume_0929PDT_10-05-04.jpg Aerial view of Mount St. Helens' crater rim and recent plume, from the south. USGS Photograph taken on 5 October 2004 at 09:29:21 PDT, by Steve Schilling. [medium size] ... [large size]
	MSH04_crater_rim_plume_0950PDT_10-05-04.jpg Aerial view of Mount St. Helens' crater rim and recent plume. USGS Photograph taken on 5 October 2004 at 09:50:58 PDT, by Steve Schilling. [medium size] ... [large size]
	MSH04_crater_rim_plume_0956PDT_10-05-04.jpg Aerial view of Mount St. Helens' crater rim and recent plume. USGS Photograph taken on 5 October 2004 at 09:56:05 PDT, by Steve Schilling. [medium size] ... [large size]
	MSH04_crater_rim_ash_1016PDT_10-05-04.jpg Aerial view of Mount St. Helens' crater rim and ash from recent plume. USGS Photograph taken on 5 October 2004 at 10:16:03 PDT, by Steve Schilling. [medium size] ... [large size]
	MSH04_aerial_mount_st_helens_crater_10-05-04.jpg Aerial view of Mount St. Helens' crater, from the east. USGS Photograph taken on 5 October 2004 at 10:47:16, by Larry Mastin. [medium size] ... [large size]
	MSH04_dome_glacier_south_side_10-05-04.jpg Aerial view of Mount St. Helens' dome and glacier and active area from the south. USGS Photograph taken on 5 October 2004 at 11:26:18 PDT, by Steve Schilling. [medium size] ... [large size]
	MSH04_crater_dome_from_southeast_10-05-04.jpg Aerial view of Mount St. Helens' crater and dome from the southeast. USGS Photograph taken on 5 October 2004 at 11:27:11 PDT, by Steve Schilling. [medium size] ... [large size]
	MSH04_crater_dome_from_northeast_10-05-04.jpg Aerial view of Mount St. Helens' crater and dome from the northeast. USGS Photograph taken on 5 October 2004 at 11:27:17 PDT, by Steve Schilling. [medium size] ... [large size]
	MSH04_active_area_south_dome_from_east_10-05-04.jpg Aerial view of Mount St. Helens' crater and dome from the northeast. USGS Photograph taken on 5 October 2004 at 11:27:30 PDT, by Steve Schilling. [medium size] ... [large size]
	MSH04_aerial_crater_dome_glacier_10-05-04.jpg Aerial view of Mount St. Helens' crater, dome, and glacier, from the northwest. USGS Photograph taken on 5 October 2004 at 11:32:28 PDT, by Steve Schilling. [medium size] ... [large size]
October 4, 2004
	MSH04_aerial_crater_dome_glacier_snout_10-04-04.jpg Aerial view of Mount St. Helens crater and dome, with the glacier on the right. USGS photograph taken on October 4, 2004. [medium size] ... [large size]
	MSH04_crater_dome_from_SE_with_spirit_lake_10-04-04.jpg Aerial view of Mount St. Helens crater and dome, showing ash covered areas, and new vent. Spirit Lake is in the background. USGS photograph taken 4 October, 2004, by Gene Iwatsubo. [medium size] ... [large size]
	MSH04_jumbled_glacier_vent_south_dome_10-04-04.jpg Mount St. Helens dome and jumbled glacier from the south. USGS photograph taken on October 4, 2004, by Gene Iwatsubo [medium size] ... [large size]
	MSH04_dome_vent_from_west_10-04-04.jpg Mount St. Helens dome and jumbled glacier, from the west. USGS photograph taken on October 4, 2004. [medium size] ... [large size]
	MSH04_dome_from_east_10-04-04.jpg USGS photograph taken on October 4, 2004. [medium size] ... [large size]
	MSH04_plume_1343PDT_from_JRO_10-04-04.jpg Beginning of plume above Mount St. Helens dome, as seen from Johnston Ridge Observatory. USGS photograph taken on October 4, 2004, by Gene Iwatsubo [medium size] ... [large size]
	MSH04_sunset_st_helens_with_adams_10-04-04.jpg Sunset on the crater rim and flanks of Mount St. Helens, with Mount Adams in the distance. USGS photograph taken on October 4, 2004, by Steve Schilling [medium size] ... [large size]
October 3, 2004
	MSH04_aerial_crater_dome_glacier_snout_10-03-04.jpg Mount St. Helens crater and dome as seen from the northeast. Nicely visible is the snout of the glacier forming behind Mount St. Helens' dome. USGS photograph taken on October 3, 2004. [medium size] ... [large size]
	MSH04_crater_rim_dome_with_spirit_lake_10-03-04.jpg 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. Spirit Lake is in the distance. USGS photograph taken on October 3, 2004, by Stephanie Konfal and Dan Dzurisin. [medium size] ... [large size]
	MSH04_crater_rim_dome_from_southwest_10-03-04.jpg 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. USGS photograph taken on October 3, 2004, by Stephanie Konfal and Dan Dzurisin. [medium size] ... [large size]
	MSH04_dome_glacier_from_southeast_10-03-04.jpg Mount St. Helens dome and glacier from the southeast. USGS photograph taken on October 3, 2004, by Stephanie Konfal and Dan Dzurisin. [medium size] ... [large size]
	MSH04_jumbled_glacier_vent_south_dome_10-03-04.jpg Mount St. Helens dome and jumbled glacier from the south. USGS photograph taken on October 3, 2004, by Stephanie Konfal and Dan Dzurisin. [medium size] ... [large size]
October 2, 2004
	MSH04_aerial_dome_crater_rim_10-02-04.jpg View of the south side of the dome from over the crater rim. USGS photograph taken on October 2, 2004, by Mike Lisowski. [medium size] ... [large size]
	MSH04_ash_on_SW_crater_floor_10-02-04.jpg Ash on southwest crater floor, as seen from the south crater rim. Mount St. Helens dome is on the right. USGS photograph taken on 2 October 2004 by Mike Poland. [medium size] ... [large size]
	MSH04_dome_glacier_south_side_10-02-04.jpg South side of Mount St. Helens lava dome, showing the dome and part of the glacier forming at the base of the dome. USGS photograph taken on 2 October 2004 by Mike Poland. [medium size] ... [large size]
	MSH04_dome_glacier_south_side_1305PDT_10-02-04.jpg South side of Mount St. Helens lava dome, showing the dome and part of the glacier forming at the base of the dome. USGS photograph taken on 2 October 2004 at 13:05:01 PDT, by Mike Poland. [medium size] ... [large size]
October 1, 2004
	MSH04_crater_eruption_image_120323PDT_10-01-04.jpg Crater/Plume image, Mount St. Helens. USGS photograph taken at 12:03:23 PDT on October 1, 2004, by John Pallister [medium size] ... [large size]
	MSH04_crater_eruption_image_120332PDT_10-01-04.jpg Crater/Plume image, Mount St. Helens. USGS photograph taken at 12:03:32 PDT on October 1, 2004, by John Pallister [medium size] ... [large size]
	MSH04_crater_eruption_image_120355PDT_10-01-04.jpg Crater/Plume image, Mount St. Helens. USGS photograph taken at 12:03:55 PDT on October 1, 2004, by John Pallister [medium size] ... [large size]
	MSH04_crater_eruption_image_120838PDT_10-01-04.jpg Crater/Plume image, Mount St. Helens. USGS photograph taken at 12:08:38 PDT on October 1, 2004, by John Pallister [medium size] ... [large size]
	MSH04_crater_eruption_image_1213PDT_10-01-04.jpg Crater/Plume image, Mount St. Helens. USGS photograph taken at 12:13:01 PDT on October 1, 2004, by John Pallister [medium size] ... [large size]
	MSH04_crater_eruption_image_1216PDT_10-01-04.jpg Crater/Plume image, Mount St. Helens. USGS photograph taken at 12:16:01 PDT on October 1, 2004, by John Pallister [medium size] ... [large size]
	MSH04_eruption_plume_01_from_JRO_10-01-04.jpg Plume from Johnston Ridge Observatory. USGS photograph taken on October 1, 2004, by Gene Iwatsubo. [medium size] ... [large size]
	MSH04_eruption_plume_03_from_JRO_10-01-04.jpg Plume from Johnston Ridge Observatory. USGS photograph taken on October 1, 2004, by Gene Iwatsubo. [medium size] ... [large size]
	MSH04_eruption_plume_06_from_JRO_10-01-04.jpg Plume from Johnston Ridge Observatory. USGS photograph taken on October 1, 2004, by Gene Iwatsubo. [medium size] ... [large size]
	MSH04_eruption_plume_39_from_JRO_10-01-04.jpg Plume from Johnston Ridge Observatory. USGS photograph taken on October 1, 2004, by Gene Iwatsubo. [medium size] ... [large size]
	MSH04_eruption_plume_40_from_JRO_10-01-04.jpg Plume from Johnston Ridge Observatory. USGS photograph taken on October 1, 2004, by Gene Iwatsubo. [medium size] ... [large size]
	MSH04_crater_dome_ash_on_west_10-01-04.jpg Ash on west crater floor and wall. USGS photograph taken on October 1, 2004, by Steve Schilling. [medium size] ... [large size]
	MSH04_dome_glacier_from_southeast_10-01-04.jpg Dome and glacier from the southeast. USGS photograph taken on October 1, 2004, by Steve Schilling. [medium size] ... [large size]
	MSH04_crater_glacier_vent_10-01-04.jpg Vent on the crater glacier. USGS photograph taken on October 1, 2004, by Steve Schilling. [medium size] ... [large size]
	MSH04_volcanic_ash_10-01-04.jpg Volcanic ash of the October 1, 2004 event. USGS photograph by Karl Thornber. [medium size] ... [large size]
	MSH04_volcanic_ash_600_microns_10-01-04.jpg Volcanic ash of the October 1, 2004 event. Field of view is 600 microns. USGS photograph by Karl Thornber. [medium size] ... [large size]
September 30, 2004
	MSH04_dome_glacier_from_southeast_9-30-04.jpg 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. USGS photograph taken on 30 September 2004 by Mike Poland and Dan Dzurisin. [medium size] ... [large size]
	MSH04_dome_glacier_from_southwest_9-30-04.jpg Mount St. Helens lava dome, showing the dome and part of the glacier behind the dome, as seen from the southwest. USGS photograph taken on 30 September 2004 by Mike Poland and Dan Dzurisin. [medium size] ... [large size]
	MSH04_dome_glacier_closein_south_side_9-30-04.jpg Closer-in view of south side of Mount St. Helens lava dome, showing the dome and part of the glacier forming at the base of the dome. USGS photograph taken on 30 September 2004 by Mike Poland and Dan Dzurisin. [medium size] ... [large size]
September 29, 2004
	MSH04_aerial_crater_dome_9-29-04.jpg Aerial view of Mount St. Helens crater and dome. USGS photograph taken on 29 September 2004 by Mike Poland and Dan Dzurisin. [medium size] ... [large size]
	MSH04_crater_dome_glacier_west_side_9-27-04.jpg Western side of Mount St. Helens crater, and dome, showing the glacier forming at the base of the dome. USGS photograph taken on 29 September 2004 by Mike Poland and Dan Dzurisin. [medium size] ... [large size]
	MSH04_aerial_south_side_of_dome_9-29-04.jpg South side of Mount St. Helens lava dome, showing the dome and part of the glacier forming at the base of the dome. USGS photograph taken on 29 September 2004 by Mike Poland and Dan Dzurisin. [medium size] ... [large size]
	MSH04_dome_glacier_south_side_9-29-04.jpg South side of Mount St. Helens lava dome, as seen from the west, showing the dome and part of the glacier forming at the base of the dome. USGS photograph taken on 29 September 2004 by Mike Poland and Dan Dzurisin. [medium size] ... [large size]
	MSH04_dome_glacier_from_southeast_9-29-04.jpg 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. USGS photograph taken on 29 September 2004 by Mike Poland and Dan Dzurisin. [medium size] ... [large size]
	MSH04_dome_glacier_closein_from_southeast_9-29-04.jpg Closer-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. USGS photograph taken on 29 September 2004 by Mike Poland and Dan Dzurisin. [medium size] ... [large size]
September 28, 2004
	MSH04_crater_dome_from_sugarbowl_9-28-04.jpg Mount St. Helens crater and dome as seen from SugarBowl, on the NE flank of the volcano. USGS photograph taken on 28 September 2004 by Mike Poland and Dan Dzurisin. [medium size] ... [large size]
September 27, 2004
	MSH04_crater_dome_glacier_west_side_9-27-04.jpg Western side of Mount St. Helens crater, and dome, showing the glacier forming at the base of the dome. USGS photograph taken on 27 September 2004 by Steve Schilling. [medium size] ... [large size]
	MSH04_closeup_of_lava_dome_9-27-04.jpg Aerial closeup of Mount St. Helens' lava dome. USGS photograph taken on 27 September 2004 by Steve Schilling. [medium size] ... [large size]
September 26, 2004
	MSH04_crater_dome_aerial_9-26-04.jpg Oblique aerial photograph of north flank, crater, lava dome and new glacier (behind dome), Mount St. Helens, Washington state, USA. Mount Hood, Oregon, in faintly visible in the background. USGS photograph taken on 26 September, 2004 by John S. Pallister. [medium size] ... [large size]
	MSH04_crater_dome_aerial_9-26-04_B.jpg Oblique aerial photograph of north flank, crater, lava dome and new glacier (behind dome), Mount St. Helens, Washington state, USA. USGS photograph taken on 26 September, 2004 by John S. Pallister. [medium size] ... [large size]
Summer Image, June 23, 2004
	MSH04_crater_dome_aerial_6-23-04.jpg Oblique aerial photograph of north flank, crater, lava dome and new glacier (behind dome), Mount St. Helens, Washington state, USA. USGS photograph taken on 23 June, 2004 by John S. Pallister. [medium size] ... [large size]
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