Ash Plume from Planchón-Peteroa Volcano
acquired September 18, 2010 download large image (2 MB, JPEG, 2812x2812)
acquired September 18 - 26, 2010 download Google Earth file (KML)

Beginning on September 6, 2010, Chile’s ice-covered Planchón-Peteroa Volcano has erupted a series of small ash and gas clouds. The chilean National Service of Geology and Mining (Sernageomin) reported that the eruptions were probably phreatomagmatic: caused by the interaction of water with magma inside the volcano.

This natural-color satellite image was acquired on September 18, 2010, by the Advanced Land Imager (ALI) aboard Earth Observing-1 (EO-1). A dark volcanic plume trails at least 22 kilometers (14 miles) southeast & into Argentina from the Peteroa summit (the currently active crater). Fallen ash colors the snow underneath the plume brown.

  1. References

  2. Global Volcanism Program. (n.d.). Planchón-Peteroa. Accessed September 21, 2010.
  3. Sernageomin (2010, September 8). Sernageomin Informa Acerca del Volcán Planchón. Accessed September 21, 2010.
  4. The Volcanism Blog. (2010, September 14). More steam, less ash reported as Planchón-Peteroa quietens. Accessed September 21, 2010.

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

Instrument(s): 
EO-1 - ALI

Ash Plume from Planchón-Peteroa Volcano

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