Arroyo Grande, CA has a high earthquake risk, with a total of 494 earthquakes since 1931. The USGS database shows that there is a 71.19% chance of a major earthquake within 50km of Arroyo Grande, CA within the next 50 years. The largest earthquake within 30 miles of Arroyo Grande, CA was a 5.1 Magnitude in 1980.
View the probability of a major earthquake within the next 50 years in Arroyo Grande, CA.
View the number of earthquake incidents in Arroyo Grande, CA by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Arroyo Grande, CA within 30 miles. All distances and depths in the table are measured in miles.