File:Toba Landsat satellite image.jpg
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Toba_Landsat_satellite_image.jpg (640 × 455 pixels, file size: 64 KB, MIME type: image/jpeg)
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| Description |
English: Toba, the Earth's largest Quaternary caldera, is seen here in a NASA Landsat satellite image (with north to the top). The 35 x 100 km caldera, partially filled by Lake Toba, was formed during four major ignimbrite-forming eruptions in the Pleistocene, the latest of which occurred about 74,000 years ago. The large island of Samosir is a resurgent uplifted block. The solfatarically active Pusukbukit volcano was later constructed near the south-central caldera rim, and Tandukbenua volcano on the NW rim may be only a few hundred years old. |
| Date | Unknown date |
| Source | http://www.volcano.si.edu/world/volcano.cfm?vnum=0601-09=&volpage=photos&photo=114091 |
| Author | NASA Landsat7 image (worldwind.arc.nasa.gov) |
Licensing
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This image is in the public domain because it is a screenshot from NASA’s globe software World Wind using a public domain layer, such as Blue Marble, MODIS, Landsat, SRTM, USGS or GLOBE.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:33, 30 July 2010 | | 640 × 455 (64 KB) | Michael Metzger (talk | contribs) | {{Information |Description={{en|1=Toba, the Earth's largest Quaternary caldera, is seen here in a NASA Landsat satellite image (with north to the top). The 35 x 100 km caldera, partially filled by Lake Toba, was formed during four major ignimbrite-forming |
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