File:Tobaeruption.png

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Original file ‎(1,620 × 1,200 pixels, file size: 1.43 MB, MIME type: image/png)

Captions

Captions

Visualization of Toba eruption

Summary[edit]

Description Illustration of what the Toba eruption might have looked like around 42 km above northern Sumatra.
Date (UTC)
Source

Own work
Info used to get an idea of how much was erupted, what fell where, and how thick it was:

  • USGS Hawaiian Volcano Observatory
    • The scale of the Toba eruption is difficult to comprehend. Pyroclastic flows (hot flows of ash and pumice) covered an area of at least 20,000 square kilometers (7,700 sq mi), with deposits as thick as 600 m (2,000 ft) near the vents. Ash fall was widespread over much of southeast Asia. An ash layer approximately 15 cm (6 in) thick was deposited over the entire Indian subcontinent. Our appreciation of the magnitude of this eruption continues to grow as Toba ash is recognized farther and farther from the source.
  • Smithsonian's Global Volcanism Program
    • The YTT represents the world's largest known Quaternary eruption, ejecting about 2500-3000 cu km (dense rock equivalent) of ignimbrite and airfall ash from vents at the NW and SE ends of present-day Lake Toba.
The image depicts an eruption in its early stages, around day 1 - 2.
Author Anynobody

Licensing[edit]

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File history

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Date/TimeThumbnailDimensionsUserComment
current00:39, 19 August 2009Thumbnail for version as of 00:39, 19 August 20091,620 × 1,200 (1.43 MB)Anynobody~commonswiki (talk | contribs)oops, last upload was a study, this is what I meant to upload
03:00, 17 August 2009Thumbnail for version as of 03:00, 17 August 20091,845 × 1,494 (941 KB)Anynobody~commonswiki (talk | contribs)lighter, better plume and weather
02:30, 6 November 2008Thumbnail for version as of 02:30, 6 November 20081,750 × 1,312 (1.7 MB)Anynobody~commonswiki (talk | contribs) new version/perspective
03:16, 8 August 2008Thumbnail for version as of 03:16, 8 August 20081,550 × 1,372 (2.2 MB)Anynobody~commonswiki (talk | contribs)highlighting compass rose
06:26, 12 April 2008Thumbnail for version as of 06:26, 12 April 20081,550 × 1,372 (2.2 MB)Anynobody~commonswiki (talk | contribs)added subtle compass rose
08:00, 10 February 2008Thumbnail for version as of 08:00, 10 February 20081,550 × 1,372 (2.19 MB)Anynobody~commonswiki (talk | contribs){{Information |Description=Illustration of what the last major Toba eruption looked like. |Source=self-made |Date= ~~~~~ |Author= Anynobody |Permission= |other_versions= }}

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