Earthquake Information for San Mateo, California

San Mateo, CA has a very high earthquake risk, with a total of 5,208 earthquakes since 1931. The USGS database shows that there is a 99.06% chance of a major earthquake within 50km of San Mateo, CA within the next 50 years. The largest earthquake within 30 miles of San Mateo, CA was a 4.8 Magnitude in 1977.

Risk Level:
Very High
Total Number of Earthquakes in San Mateo since 1931 within 30 miles
5,208
Probability of A 5.0 Earthquake within next 50 years
99.06%

Earthquake Probability for San Mateo, CA

View the probability of a major earthquake within the next 50 years in San Mateo, 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
99.06%
5.1
98.50%
5.2
98.50%
5.2
97.78%
5.3
96.94%
5.4
95.99%
5.5
94.99%
5.6
93.97%
5.7
92.96%
5.8
91.99%
5.9
91.09%
6.0
89.99%
6.1
88.40%
6.2
85.86%
6.3
82.45%
6.4
77.62%
6.5
71.39%
6.6
64.67%
6.7
57.54%
6.8
50.32%
6.9
43.73%
7.0
38.13%
7.1
34.27%
7.2
31.63%
7.3
28.83%
7.4
25.54%
7.5
21.00%
7.6
17.49%
7.7
14.13%
7.8
10.69%
7.9
7.03%
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%