NASA: South Pole - Heard Island - Volcano - Lava Flow on Mawson Peak - 02.05.13

Posted by ricardo marcenaro | Posted in | Posted on 1:29


Lava Flow on Mawson Peak, Heard Island
acquired April 7, 2013 download large image (2 MB, JPEG, 3773x3773)
acquired April 7, 2013 download GeoTIFF file (11 MB, TIFF)
Lava Flow on Mawson Peak, Heard Island
acquired April 20, 2013 download large image (2 MB, JPEG, 3773x3773) 
acquired April 20, 2013 download GeoTIFF file (16 MB, TIFF) 
 
In October 2012, satellites measured subtle signals that suggested volcanic activity on remote Heard Island. These images, captured several months later, show proof of an eruption on Mawson Peak. By April 7, 2013, Mawson’s steep-walled summit crater had filled, and a trickle of lava had spilled down the volcano’s southwestern flank. On April 20 the lava flow remained visible, and had even widened slightly just below the summit.
These natural-color images were collected by the Advanced Land Imager (ALI) on the Earth Observing-1 (EO-1) satellite.
NASA Earth Observatory image by Jesse Allen and Robert Simmon, using EO-1 ALI data from the NASA EO-1 team. Caption by Robert Simmon.
Instrument: 
EO-1 - ALI






NASA: South Pole - Heard Island - Volcano - Lava Flow on Mawson Peak - 02.05.13






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