La Poruña TM Image Information

La Poruña TM May 1985 Thematic Mapper image of La Poruña (24º24'S, 68º16'W). TM Scene ID=50378-14014, Scene 23377, bands 7,4,2. Scale Bar = 10km.

M15a - TM image of the La Poruña scoria cone, which is a satellite vent to Volcan San Pedro. The prominent flows to the east are from San Pedro. The cone, although only ~300m high is the source of the 8 km long andesitic lava flow. Airfall tephra associated with the eruption is distributed largely to the east of the vent.

(de Silva and Francis)