Map showing the intensity of the earthquake in Peak Ground Acceleration (PGA), as a percentage of Earth's gravity (%g). A PGA of 50%g means the ground acceleration is 50% of Earth's gravity.
earthquakes are more of a rarity in Louisiana. But since 1930, dozens quakes registering 0.5 or higher on the Richter's scale shook the Bayou State, according to maps from the U.S Geological ...