< ISS036-E-5647 >
| NASA Photo ID | ISS036-E-5647 |
| Focal Length | 400mm |
| Date taken | 2013.05.31 |
| Time taken | 21:43:37 GMT |
Resolutions offered for this image:
1000 x 665 pixels 540 x 359 pixels 3824 x 2549 pixels 720 x 480 pixels 4256 x 2832 pixels 640 x 426 pixels
1000 x 665 pixels 540 x 359 pixels 3824 x 2549 pixels 720 x 480 pixels 4256 x 2832 pixels 640 x 426 pixels
Spacecraft nadir point: 16.8° S, 167.4° E
Photo center point: 14.3° S, 167.5° E
Photo center point by machine learning:
Photo center point: 14.3° S, 167.5° E
Photo center point by machine learning:
Nadir to Photo Center: North
Spacecraft Altitude: 229 nautical miles (424km)
Country or Geographic Name: | VANUATU |
Features: | SANTA MARIA ISLAND, GAUA VOLCANO, ERUPTION PLUME, PACIFIC OCEAN |
| Features Found Using Machine Learning: | |
Cloud Cover Percentage: | 10 (1-10)% |
Sun Elevation Angle: | 30° |
Sun Azimuth: | 51° |
Camera: | Nikon D3S Electronic Still Camera |
Focal Length: | 400mm |
Camera Tilt: | 33 degrees |
Format: | 4256E: 4256 x 2832 pixel CMOS sensor, 36.0mm x 23.9mm, total pixels: 12.87 million, Nikon FX format |
Film Exposure: | |
| Additional Information | |
| Width | Height | Annotated | Cropped | Purpose | Links |
|---|---|---|---|---|---|
| 1000 pixels | 665 pixels | No | Yes | Earth From Space collection | Download Image |
| 540 pixels | 359 pixels | Yes | Yes | Earth From Space collection | Download Image |
| 3824 pixels | 2549 pixels | No | Yes | NASA's Earth Observatory web site | Download Image |
| 720 pixels | 480 pixels | Yes | Yes | NASA's Earth Observatory web site | Download Image |
| 4256 pixels | 2832 pixels | No | No | Download Image | |
| 640 pixels | 426 pixels | No | No | Download Image |
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No GeoTIFF is available for this photo.Image Caption: Steam Plume at Gaua Volcano, Vanuatu
The approximately 20 kilometer in diameter Gaua Island, also known as Santa Maria Island, is the exposed upper cone and summit of an approximately 3000 meter high and 40 kilometers in diameter stratovolcano, most of which is submerged beneath the Pacific Ocean. The island is part of the Vanuatu Archipelago, a group of volcanic islands in the Southern Pacific Ocean governed by the Republic of Vanuatu. The most recently reported eruption activity (according to the Smithsonian Institution Global Volcanism Program) consisted of a steam plume that was observed on April 29, 2013. This astronaut photograph records subsequent steam emissions observed from the International Space Station on May 31, 2013.
The steam plume extends east-southeast from its likely source at Mount Gharat (also spelled Garat or Garet), a historically active cinder cone located along the southwest flank of a 6 x 9 kilometer collapsed summit caldera. Gaua is one of several volcanoes actively monitored by the Vanuatu Geohazards Observatory. The dark blue-green waters of Lake Letas, formed within the caldera, are visible at image center. The majority of Santa Maria Island is covered in green vegetation, with areas directly west and south of Mount Gharat covered with grey ash deposits. Patchy cloud cover is visible to the west and south of the island, but is easily distinguished from the steam plume by its linear nature and brighter tone.
The approximately 20 kilometer in diameter Gaua Island, also known as Santa Maria Island, is the exposed upper cone and summit of an approximately 3000 meter high and 40 kilometers in diameter stratovolcano, most of which is submerged beneath the Pacific Ocean. The island is part of the Vanuatu Archipelago, a group of volcanic islands in the Southern Pacific Ocean governed by the Republic of Vanuatu. The most recently reported eruption activity (according to the Smithsonian Institution Global Volcanism Program) consisted of a steam plume that was observed on April 29, 2013. This astronaut photograph records subsequent steam emissions observed from the International Space Station on May 31, 2013.
The steam plume extends east-southeast from its likely source at Mount Gharat (also spelled Garat or Garet), a historically active cinder cone located along the southwest flank of a 6 x 9 kilometer collapsed summit caldera. Gaua is one of several volcanoes actively monitored by the Vanuatu Geohazards Observatory. The dark blue-green waters of Lake Letas, formed within the caldera, are visible at image center. The majority of Santa Maria Island is covered in green vegetation, with areas directly west and south of Mount Gharat covered with grey ash deposits. Patchy cloud cover is visible to the west and south of the island, but is easily distinguished from the steam plume by its linear nature and brighter tone.
