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The Gateway to Astronaut Photography of Earth
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Astronaut Photography of Earth - Display Record
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IdentificationMission: ISS013 Roll: E Frame: 66488 Mission ID on the Film or image: ISS013
Country or Geographic Name: PERU
Features: UBINAS VOLCANO, ASH CLOUD
Center Point: Latitude: -16.3 Longitude: -70.9 (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:
CameraCamera Tilt: 38
Camera Focal Length: 800mm
Camera: E4: Kodak DCS760C Electronic Still Camera
Film: 3060E : 3060 x 2036 pixel CCD, RGBG array.
Percentage of Cloud Cover: 10 (0-10)
GMT Date: 20060814 (YYYYMMDD) GMT Time: 124359 (HHMMSS)
Nadir Point Latitude: -18.6, Longitude: -71.6 (Negative numbers indicate south for latitude and west for longitude)
Nadir to Photo Center Direction: North
Sun Azimuth: 66 (Clockwise angle in degrees from north to the sun measured at the nadir point)
Spacecraft Altitude: 183 nautical miles (339 km)
Sun Elevation Angle: 21 (Angle in degrees between the horizon and the sun, measured at the nadir point)
Orbit Number: 236
CaptionsAsh Cloud from Mount Ubinas, Peru
Subduction of the Nazca tectonic plate along the western coast of South America forms the high Peruvian Andes. The subduction (movement of one plate beneath another) also produces magma, feeding a chain of historically active volcanoes along the western front of the mountains. The most active of these volcanoes in Peru is Ubinas. A typical, steep-sided stratovolcano comprised primarily of layers of silica-rich lava flows, it has a summit elevation of 5,672 meters (18,609 feet). At 1.4 kilometers (0.87 miles) across, the volcano’s caldera gives it a truncated profile. Hardened lava flows from past eruptions linger on the volcano’s flanks.
This oblique image (looking at an angle) from the International Space Station (ISS) captures an ash cloud first observed on satellite imagery at 11:00 GMT on August 14, 2006. An ISS astronaut took this picture one hour and 45 minutes later. The ash cloud caused the Buenos Aires Volcanic Ash Advisory Center to issue an aviation hazard warning. Minor to moderately explosive eruptions of ash and pumice characterize modern activity at Ubinas. Pumice and ash blanket the volcanic cone and surrounding area, giving this image an overall gray appearance. Shadowing of the western flank of Ubinas throws several lava flows into sharp relief, and highlights the steep slopes at the flow fronts—common characteristics of thick, slow-moving lavas. The most recent major eruption of Ubinas occurred in 1969, although its historical record of activity extends back to the 16th century.
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Recommended Citation: Earth Science and Remote Sensing Unit, NASA-Johnson Space Center. "The Gateway to Astronaut Photography of Earth." .