File:Cerro Hudson Volcano, Chile. Natural Color.jpg
![File:Cerro Hudson Volcano, Chile. Natural Color.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/2/26/Cerro_Hudson_Volcano%2C_Chile._Natural_Color.jpg/600px-Cerro_Hudson_Volcano%2C_Chile._Natural_Color.jpg?20161203163505)
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[edit]DescriptionCerro Hudson Volcano, Chile. Natural Color.jpg |
English: Dark ash stained snow in the Chilean Andes in November 2011, following a period of eruptive activity at Cerro Hudson Volcano. The Advanced Land Imager (ALI) on NASA’s Earth Observing-1 (EO-1) satellite observed the Volcano on November 17. The top image is a natural-color, close-up view. The bottom image is a shortwave-infrared, wide-area view. In this image, snow is turquoise, vegetation is bright green, and ash is brown.
In October 2011, Cerro Hudson rumbled to life, experiencing a swarm of earthquakes, and forming new vents. Through those new vents, the volcano sent plumes up to 9 kilometers (6 miles) high, and prompted authorities to evacuate more than 100 residents. Weeks later, dark volcanic ash sat atop the snow that normally covers the volcano. The southernmost volcano of the Chilean Andes, Cerro Hudson is a stratovolcano composed of layers of hardened lava, solidified ash, and rocks produced by earlier eruptions. The volcano covers roughly 300 square kilometers (100 square miles) and its icy caldera spans about 10 kilometers (6 miles). Volcanologists estimate that Cerro Hudson experienced severe eruptions 6,700 and 3,600 years ago. A 1991 eruption at the volcano was Chile’s second-largest eruption in the twentieth century. References Global Volcanism Program. Cerro Hudson. Smithsonian Institution. Accessed November 21, 2011. Klemetti, E. Hudson. Eruptions. Wired Science. Accessed November 21, 2011. NASA Earth Observatory image created by Jesse Allen, using EO-1 ALI data provided courtesy of the NASA EO-1 team. Caption by Michon Scott. Instrument(s): EO-1 - ALI |
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Source | http://eoimages.gsfc.nasa.gov/images/imagerecords/76000/76463/cerrohudson_ali_2011321_lrg.jpg |
Author | NASA Earth Observatory image created by Jesse Allen, using EO-1 ALI data provided courtesy of the NASA EO-1 team. Caption by Michon Scott. |
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ![]() |
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current | 16:35, 3 December 2016 | ![]() | 4,200 × 4,200 (3.27 MB) | LuisArmandoRasteletti (talk | contribs) | User created page with UploadWizard |
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Width | 7,081 px |
Height | 11,071 px |
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Compression scheme | LZW |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 100 dpi |
Vertical resolution | 100 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop CS5 Macintosh |
File change date and time | 11:24, 18 November 2011 |
Color space | Uncalibrated |
Date and time of digitizing | 03:59, 18 November 2011 |
Date metadata was last modified | 06:24, 18 November 2011 |
Unique ID of original document | xmp.did:74117FE520071168AFFD849429659135 |