Historic Earthquakes

Near Napoleonville, Assumption Parish, Louisiana
1930 10 19 12:17 UTC
Magnitude 4.20
Intensity VI

Largest Earthquake in Louisiana

The earthquake damaged chimneys and broke windows at Napoleonville and cracked plaster at White Castle, northwest of Napoleonville. Many people in the area rushed into the streets.

Abridged from Seismicity of the United States, 1568-1989 (Revised), by Carl W. Stover and Jerry L. Coffman, U.S. Geological Survey Professional Paper 1527, United States Government Printing Office, Washington: 1993.