Credit: Jacques Descloitres, MODIS Land Rapid Response Team, NASA/GSFC

Red dots (or outlines in the high-resolution imagery) indicate MODIS9 detection of thermal anomalies throughout the Philippines on March 29, 2002. In most cases, the anomaly is a fire, for example, all the locations marked on the northernmost island, Luzon. However, south of center, on the southern tip of Negros, the thermal anomaly is likely volcanic activity, and the red dot left of center of the main part of Mindanao (lower right) marks the location of a volcano called Mount Ragang.

http://visibleearth.nasa.gov/view_rec.php?id=2656 archive copy at the Wayback Machine

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