The Mocha-Villarrica Fault Zone is a northwest-trending geological fault zone in southern Chile and Argentina.
[1] The fault zone runs from Mocha Island in the Pacific to the Andes where it aligns Villarrica, Quetrupillán and Lanín volcanoes.
[1] It is one of several fault zones that traverses the north-south Liquiñe-Ofqui Fault.
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