Signal Hill, CA has a very high earthquake risk, with a total of 5,099 earthquakes since 1931. The USGS database shows that there is a 93.59% chance of a major earthquake within 50km of Signal Hill, CA within the next 50 years. The largest earthquake within 30 miles of Signal Hill, CA was a 5.7 Magnitude in 1987.
View the probability of a major earthquake within the next 50 years in Signal Hill, CA.
View the number of earthquake incidents in Signal Hill, CA by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Signal Hill, CA within 30 miles. All distances and depths in the table are measured in miles.