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Photographing the Earth from the International Space Station

Astronaut Photography of Earth - Display Record

STS064-51-25

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File NameFile Size (bytes)WidthHeightAnnotatedCroppedPurposeComments
View STS064-51-25.JPG 102405640415 No No Earth From Space collection
View STS064-51-25.JPG 193664934612249 No No Earth From Space collection
View STS064-51-25.BMP 262094632413 Yes No
View STS064-51-25.JPG 219270816941106 Earth From Space phase 2

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Electronic Image Data

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Identification

Mission: STS064 Roll: 51 Frame: 25 Mission ID on the Film or image:
Country or Geographic Name: USA-WASHINGTON
Features: MT. ST. HELENS
Center Point: Latitude: 46.0 Longitude: -122.0 (Negative numbers indicate south for latitude and west for longitude)

Stereo: (Yes indicates there is an adjacent picture of the same area)
ONC Map ID: JNC Map ID:

Camera

Camera Tilt: Near Vertical
Camera Focal Length: mm
Camera:
Film:

Quality

Film Exposure:
Percentage of Cloud Cover: 0 (0-10)

Nadir

GMT Date: 199409__ (YYYYMMDD) GMT Time: (HHMMSS)
Nadir Point Latitude: , Longitude: (Negative numbers indicate south for latitude and west for longitude)
Nadir to Photo Center Direction:
Sun Azimuth: (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: nautical miles (0 km)
Sun Elevation Angle: (Angle in degrees between the horizon and the sun, measured at the nadir point)
Orbit Number:

Captions

STS064-51-25 Mount Saint Helens National Volcanic Monument, Washington State, U.S.A. September 1994
This spectacular, near-vertical photograph taken in September 1994 shows the 8360-foot (2548-meter) Mount Saint Helens volcano with its developing lava dome and expansive pumice plain. The grayish-colored area of the blast zone from the 1980 eruption extends outward to the northwest, north, and northeast of the volcano. North of the volcano lie three major lakes from east to west—Spirit Lake (the largest), the elongated Coldwater Lake, and Castle Lake. South of Mount Saint Helens are clear-cut patterns (lumbering) interspersed throughout the darker green forested region of the Gifford Pinchot National Forest. Mount Saint Helens erupted on May 18, 1980, at 8:32 a.m. Pacific time. A series of moderate-to-severe earthquakes preceded the eruption, sending the north side of the mountain cascading downward toward Spirit Lake. This avalanche, the largest ever observed in the Western Hemisphere, weakened the magma chambers within the volcano, causing a northward lateral and vertical explosion that destroyed over 270 square miles (700 square kilometers) of forest in 5 seconds, and sent a billowing cloud of ash and smoke 70 000 feet (21 000 meters) into the atmosphere. Visible on the photograph and situated between the caldera of the volcano and Spirit Lake is a large, grayish pumice plain. This plain is made up of volcanic mud, ash, and debris that buried the original Toutle River Valley to a depth of 1000 feet (300 meters). This avalanche of debris and ash raised the level of Spirit Lake 200 feet (61 meters) over its pre-eruption level, blocked the flow of Coldwater Creek, and formed the now elongated 300-foot-deep (91-meter-deep) Coldwater Lake. This lake is located approximately 7 miles (11 kilometers) from the volcano. The lava dome, which is visible in the center of the volcano crater, has attained a height of 1700 feet (518 meters) since it began to form in the early 1980s. Though not clearly visible on the photograph, vegetation has returned and is flourishing in most areas of the blast zone, with the exception of the pumice plain area.

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