Geochronological and geological studies carried out in El Salvador C.
A., located a production geothermal zone to the north of the volcanic
belt, in a region named Ahuachapan-Chipilapa. Hydrothermal activity an
d geochemical analysis indicate the existence of active geothermal fau
lts aligned to the directions South-North and Northwest-Southeast. Rad
on mapping in that region covered a total of 8.7 km2 where plastic det
ectors were placed 200 m apart. Results confirmed the existence of act
ive faults and two producing geothermal wells were located.