Fault trace

Along the Motagua Fault trace (1976 Guatemala earthquake) where it crosses the Gualán soccer field. Note that "mole track" which is best developed in hard packed, brittle surface materials.

A fault trace is the intersection of a geological fault with the ground surface, leaving a visible mark. The term also applies to a line plotted on a geological map to represent a fault.

Sources

USGS Earthquake Hazards Program: Visual Glossary

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.