Earthquake Information for San Francisco, California

San Francisco, CA has a high earthquake risk, with a total of 3,467 earthquakes since 1931. The USGS database shows that there is a 64.89% chance of a major earthquake within 50km of San Francisco, CA within the next 50 years. The largest earthquake within 30 miles of San Francisco, CA was a 4.8 Magnitude in 1977.

Risk Level:
High
Total Number of Earthquakes in San Francisco since 1931 within 30 miles
3,467
Probability of A 5.0 Earthquake within next 50 years
64.89%

Earthquake Probability for San Francisco, CA

View the probability of a major earthquake within the next 50 years in San Francisco, CA.

Probability of Earthquakes Within the Next 50 Years For Magnitudes Between 5.0 and 9.2
(within 31 km/51 miles above magnitude)
MAGNITUDE
PROBABILITY
5.0
64.89%
5.1
60.69%
5.2
60.69%
5.2
56.83%
5.3
53.32%
5.4
50.19%
5.5
47.43%
5.6
45.02%
5.7
42.92%
5.8
41.12%
5.9
39.58%
6.0
38.27%
6.1
36.93%
6.2
35.79%
6.3
34.81%
6.4
33.99%
6.5
33.18%
6.6
32.58%
6.7
31.98%
6.8
31.49%
6.9
31.02%
7.0
30.51%
7.1
30.12%
7.2
29.56%
7.3
28.08%
7.4
25.32%
7.5
21.08%
7.6
17.64%
7.7
14.26%
7.8
10.77%
7.9
7.06%
8.0
3.86%
8.1
2.43%
8.2
0.66%
8.3
0.32%
8.4
0.00%
8.5
0.00%
8.6
0.00%
8.7
0.00%
8.8
0.00%
8.9
0.00%
9.0
0.00%
9.1
0.00%
9.2
0.00%