< ISS031-E-41959 >
| NASA Photo ID | ISS031-E-41959 |
| Focal Length | 180mm |
| Date taken | 2012.05.18 |
| Time taken | 22:10:28 GMT |
Resolutions offered for this image:
1000 x 654 pixels 540 x 353 pixels 720 x 480 pixels 4288 x 2848 pixels 640 x 425 pixels
1000 x 654 pixels 540 x 353 pixels 720 x 480 pixels 4288 x 2848 pixels 640 x 425 pixels
Spacecraft nadir point: 51.7° N, 153.2° E
Photo center point: 50.9° N, 155.6° E
Photo center point by machine learning:
Photo center point: 50.9° N, 155.6° E
Photo center point by machine learning:
Nadir to Photo Center: East
Spacecraft Altitude: 213 nautical miles (394km)
Country or Geographic Name: | RUSSIAN FEDERATION |
Features: | ALAID VOLCANO, SUNGLINT, SEA OF OKHOTSK |
| Features Found Using Machine Learning: | |
Cloud Cover Percentage: | 10 (1-10)% |
Sun Elevation Angle: | 38° |
Sun Azimuth: | 107° |
Camera: | Nikon D2Xs Electronic Still Camera |
Focal Length: | 180mm |
Camera Tilt: | 36 degrees |
Format: | 4288E: 4288 x 2848 pixel CMOS sensor, RGBG imager color filter |
Film Exposure: | |
| Additional Information | |
| Width | Height | Annotated | Cropped | Purpose | Links |
|---|---|---|---|---|---|
| 1000 pixels | 654 pixels | No | Yes | Earth From Space collection | Download Image |
| 540 pixels | 353 pixels | Yes | Yes | Earth From Space collection | Download Image |
| 720 pixels | 480 pixels | Yes | Yes | NASA's Earth Observatory web site | Download Image |
| 4288 pixels | 2848 pixels | No | No | Download Image | |
| 640 pixels | 425 pixels | No | No | Download Image |
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No GeoTIFF is available for this photo.Image Caption: Alaid Volcano, Kuril Islands, Russian Federation
Note: This caption refers to the image versions labeled "NASA's Earth Observatory web site".
This astronaut photograph highlights Alaid Volcano in the Kuril Islands. The Kurils chain extends from the Kamchatka Peninsula to the islands of Japan, and contains numerous active volcanoes along its length. Alaid is the highest (2339 meters above sea level) volcano in the Kuril chain, as well as being the northernmost. The textbook conic morphology of this stratovolcano is marred only by the summit crater, which is breached to the south (image center) and highlighted by snow cover. The volcano rises 3000 meters directly from the floor of the Sea of Okhotsk, with the uppermost part of the volcanic edifice exposed as an island.
Much of the sea surface surrounding the volcano has a silver-gray appearance. This mirror-like appearance is due to sunglint, where light reflects off the sea surface and is scattered directly towards the astronaut observer on board the International Space Station. Sunglint is largely absent from a zone directly to the west of the volcano, most likely due to surface wind or water current patterns that change the roughness--and light scattering properties--of the water surface in this area.
Volcanoes in the Kurils, and similar island arcs in the Pacific "ring of fire", are fed by magma generated along the boundary between two tectonic plates, where one plate is being driven beneath the other (a process known as subduction). Alaid Volcano has been historically active; the most recent confirmed explosive activity occurred in 1996.
Note: This caption refers to the image versions labeled "NASA's Earth Observatory web site".
This astronaut photograph highlights Alaid Volcano in the Kuril Islands. The Kurils chain extends from the Kamchatka Peninsula to the islands of Japan, and contains numerous active volcanoes along its length. Alaid is the highest (2339 meters above sea level) volcano in the Kuril chain, as well as being the northernmost. The textbook conic morphology of this stratovolcano is marred only by the summit crater, which is breached to the south (image center) and highlighted by snow cover. The volcano rises 3000 meters directly from the floor of the Sea of Okhotsk, with the uppermost part of the volcanic edifice exposed as an island.
Much of the sea surface surrounding the volcano has a silver-gray appearance. This mirror-like appearance is due to sunglint, where light reflects off the sea surface and is scattered directly towards the astronaut observer on board the International Space Station. Sunglint is largely absent from a zone directly to the west of the volcano, most likely due to surface wind or water current patterns that change the roughness--and light scattering properties--of the water surface in this area.
Volcanoes in the Kurils, and similar island arcs in the Pacific "ring of fire", are fed by magma generated along the boundary between two tectonic plates, where one plate is being driven beneath the other (a process known as subduction). Alaid Volcano has been historically active; the most recent confirmed explosive activity occurred in 1996.
