Bryan County, OK has a low earthquake risk, with a total of 1 earthquakes since 1931. The USGS database shows that there is a 1.09% chance of a major earthquake within 50km of Bryan County, OK within the next 50 years. The largest earthquake within 30 miles of Bryan County, OK was a 3.5 Magnitude in 2013.
View the probability of a major earthquake within the next 50 years in Bryan County, OK.
View the number of earthquake incidents in Bryan County, OK by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Bryan County, OK within 30 miles. All distances and depths in the table are measured in miles.