Anabena algal bloom in Timothy Lake, Oregon, 2004
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Timothy Lake Algal Bloom
Anabena algal bloom in Timothy Lake, Oregon, 2004
South side of Mount St. Helens lava dome, glacier
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, 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, 2005
1980-1986 Mount St. Helens' dome and glacier uplift (cracked gray s...
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.
Adult Lionfish
Adult lionfish, approximately 250 mm total length.
Adult lionfish, approximately 250 mm total length.
Collecting lidar at site road failure after Niigata earthquake
The USGS lidar unit scanning a road embankment failure on Route 252, west of Horinouchi-Cho, in Niigata-ken, Japan. The system can be easily transported by vehicle or backpack to study sites, and travels as checked baggage.
The USGS lidar unit scanning a road embankment failure on Route 252, west of Horinouchi-Cho, in Niigata-ken, Japan. The system can be easily transported by vehicle or backpack to study sites, and travels as checked baggage.
Juvenile Lionfish
A group of juvenile lionfish, approximately 120 mm total length.
A group of juvenile lionfish, approximately 120 mm total length.
Mount St. Helens' crater, dome, and glacier uplift
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.
Mount St. Helens' dome and glacier uplift from east
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.
Mount St. Helens' dome and glacier uplift from east
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 from Johnston Ridge Observatory, Mount St. Helens. Oct 1, 2005
Plume from Johnston Ridge Observatory, Mount St. Helens. October 1, 2004.
Plume from Johnston Ridge Observatory, Mount St. Helens. October 1, 2004.
Plume within Mount St. Helens' crater, Oct. 1, 2004 at 12:03:23 PDT
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 within Mount St. Helens' crater, Oct. 1, 2004 at 12:16 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.
Plume within Mount St. Helens' crater, Oct. 1, 2005
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 Oct. 1, 2004 at 12:08:38 PDT
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.
Plume/crater image of Mount St. Helens Oct. 1, 2004 at 12:13 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/crater image of Mount St. Helens Oct. 1, 2005
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.
Vent blasted through the Mount St. Helens' crater glacier.
Vent blasted through the Mount St. Helens' crater glacier.
Vent blasted through the Mount St. Helens' crater glacier.
October 1, 2004 Explosion at Mount St. Helens
On October 1, 2004, an explosion in the crater of Mount St. Helens sent ash and water vapor several thousand feet into the air. It was the dramatic beginning of an eruption that continued for the next 3+ years. The explosion fractured Crater Glacier and hurled rocks for at least one-half mile across the western half of the glacier and the 1980-1986 lava dome.
On October 1, 2004, an explosion in the crater of Mount St. Helens sent ash and water vapor several thousand feet into the air. It was the dramatic beginning of an eruption that continued for the next 3+ years. The explosion fractured Crater Glacier and hurled rocks for at least one-half mile across the western half of the glacier and the 1980-1986 lava dome.
South side of Mount St. Helens lava dome, as seen from the east, sh...
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
Close-in view of south side of Mount St. Helens lava dome, as seen ...
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
Upper slopes of Glacier Peak, WA.
Upper slopes of Glacier Peak, Washington.
Upper slopes of Glacier Peak, Washington.