Mayon Volcano Threatens Major Eruption
acquired December 28, 2009 download large image (875 KB, JPEG, 2576x1953)

Mayon Volcano, on the Philippine island of Luzon, continued its activity on December 28, 2009. Described as showing an “intense level of unrest” by the Philippine Institute of Volcanology and Seismology, Mayon exhibited 7 ash explosions, dozens of earthquakes related to the movement of magma beneath the volcano, over 100 rock falls from the summit, and 3 active lava flows. The Philippine government is enforcing evacuations in a danger zone extending 7 kilometers (4 miles) north and 8 kilometers (5 miles) south of the summit.

This satellite image shows Mayon emitting a thin volcanic plume. Ash obscures the summit crater and clouds hide lava flows on the volcano’s flanks. The natural-color image was acquired by the Advanced Land Imager (ALI) aboard the NASA Earth Observing-1 (EO-1) satellite.

  1. Reference

  2. Philippine Institute of Volcanology and Seismology (2009, December 28.) Mayon Volcano Bulletin 15. Accessed December 30, 2009.

NASA Earth Observatory image by Robert Simmon, using EO-1 ALI data provided by the NASA EO-1 team. Caption by Robert Simmon.

Instrument(s): 
EO-1 - ALI

Mayon Volcano Threatens Major Eruption

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