Historic Earthquakes
El Reno, Oklahoma
1952 04 09 16:29:28.4 UTC
Magnitude 5.50
Intensity VII
Largest Earthquake in Oklahoma
Isoseismal Map
Isoseismals are based on intensity estimates from data.
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.