Brownsville, FL has a very low earthquake risk, with a total of 0 earthquakes since 1931. The USGS database shows that there is a 0.30% chance of a major earthquake within 50km of Brownsville, FL within the next 50 years.
View the probability of a major earthquake within the next 50 years in Brownsville, FL.
See Florida Earthquake Report or Miami Dade County, FL Earthquake Report