File:Steam and Ash Plume over Tinakula Island (6920551845).jpg
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[edit]DescriptionSteam and Ash Plume over Tinakula Island (6920551845).jpg |
NASA image acquired February 14, 2012 Tinakula is a small, volcanic island in the South Pacific, located about 2,300 kilometers (1,400 miles) northeast of Brisbane, Australia. This natural-color satellite image (top) shows a plume of volcanic gas, possibly mixed with a bit of ash, rising above the island’s summit. On February 13th and 14th, 2012, NASA’s Moderate Resolution Imaging Spectroradiometer (MODIS) detected heat signatures on Tinakula, and a small plume was apparent in visible imagery (lower image). Over the past decade satellites have detected intermittent “thermal anomalies” on the island that suggest eruptions have taken place, but eyewitness observations are infrequent. Around the island, the reflection of sunlight on the ocean—sunglint—gives the surface a milky appearance that makes the wave patterns readily visible. This image was collected by the Advanced Land Imager (ALI) on the Earth Observing-1 (EO-1) satellite. Thanks to the members of Activ for notifying us of the activity. NASA images by Jesse Allen and Robert Simmon (Earth Observatory), using EO-1 ALI data. Caption by Robert Simmon. Instrument: EO-1 - ALI To download the high res go here: earthobservatory.nasa.gov/IOTD/view.php?id=77183 Credit: NASA Earth Observatory NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission. Follow us on Twitter Like us on Facebook Find us on Instagram |
Date | |
Source | Steam and Ash Plume over Tinakula Island |
Author | NASA Goddard Space Flight Center from Greenbelt, MD, USA |
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This image was originally posted to Flickr by NASA Goddard Photo and Video at https://flickr.com/photos/24662369@N07/6920551845. It was reviewed on 17 September 2016 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
17 September 2016
Public domainPublic domainfalsefalse |
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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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:50, 17 September 2016 | 910 × 830 (270 KB) | Vanished Account Byeznhpyxeuztibuo (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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Width | 6,001 px |
Height | 10,771 px |
Bits per component |
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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 | 09:16, 22 February 2012 |
Exif version | 2.21 |
Color space | Uncalibrated |
Date and time of digitizing | 06:22, 15 February 2012 |
Date metadata was last modified | 04:16, 22 February 2012 |
Unique ID of original document | xmp.did:954CB832DC2068118DBB81295808EB19 |