Johnston, RI has a low earthquake risk, with a total of 21 earthquakes since 1931. The USGS database shows that there is a 1.34% chance of a major earthquake within 50km of Johnston, RI within the next 50 years. The largest earthquake within 30 miles of Johnston, RI was a 3.5 Magnitude in 1976.
View the probability of a major earthquake within the next 50 years in Johnston, RI.
View the number of earthquake incidents in Johnston, RI by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Johnston, RI within 30 miles. All distances and depths in the table are measured in miles.