St. Helena Parish, LA has a very low earthquake risk, with a total of 1 earthquakes since 1931. The USGS database shows that there is a 0.45% chance of a major earthquake within 50km of St. Helena Parish, LA within the next 50 years. The largest earthquake within 30 miles of St. Helena Parish, LA was a 3.0 Magnitude in 2010.
View the probability of a major earthquake within the next 50 years in St. Helena Parish, LA.
View the number of earthquake incidents in St. Helena Parish, LA by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in St. Helena Parish, LA within 30 miles. All distances and depths in the table are measured in miles.