Earthquake Information for South San Francisco, California

South San Francisco, CA has a very high earthquake risk, with a total of 5,105 earthquakes since 1931. The USGS database shows that there is a 98.01% chance of a major earthquake within 50km of South San Francisco, CA within the next 50 years. The largest earthquake within 30 miles of South San Francisco, CA was a 4.8 Magnitude in 1977.

Risk Level:
Very High

Total Number of Earthquakes in South San Francisco since 1931 within 30 miles

5,105

Probability of A 5.0 Earthquake within next 50 years

98.01%

Most Recent
Largest

4/26/2024 - 1.6 mag, 9.6mi depth 3.88431 mi from Muir Beach, CA
4/25/2024 - 1.6 mag, 8.2mi depth 0.581144 mi from Alamo, CA
4/22/2024 - 1.6 mag, 7.7mi depth 7.90782 mi from San Francisco, CA
4/19/2024 - 2.1 mag, 10.0mi depth 8.83305 mi from San Francisco, CA
4/19/2024 - 1.1 mag, 10.0mi depth 1.33475 mi from Crockett, CA
4/17/2024 - 1.3 mag, 3.3mi depth 4.39597 mi from Portola Valley, CA
4/15/2024 - 0.8 mag, 9.2mi depth 3.38581 mi from Berkeley, CA
4/13/2024 - 1.3 mag, 12.4mi depth 1.8148 mi from Pleasant Hill, CA
4/13/2024 - 0.9 mag, 9.5mi depth 0.789862 mi from East Richmond Heights, CA
4/12/2024 - 1.5 mag, 1.1mi depth 3.34381 mi from Santa Venetia, CA
4/12/2024 - 1.2 mag, 9.8mi depth 4.71481 mi from Alameda, CA
4/12/2024 - 1.8 mag, 8.6mi depth 4.05962 mi from Muir Beach, CA
4/12/2024 - 1.8 mag, 4.8mi depth 0.553254 mi from Orinda, CA
4/12/2024 - 1.7 mag, 4.1mi depth 0.435303 mi from Orinda, CA
4/11/2024 - 2.2 mag, 9.0mi depth 3.07133 mi from Berkeley, CA
4/11/2024 - 1.3 mag, 9.5mi depth 3.92906 mi from San Leandro, CA
4/10/2024 - 2.3 mag, 8.5mi depth 4.24861 mi from Muir Beach, CA
4/8/2024 - 1.1 mag, 10.3mi depth 2.31097 mi from Portola Valley, CA
4/6/2024 - 2.1 mag, 9.0mi depth 5.03793 mi from Milpitas, CA
4/6/2024 - 1.4 mag, 5.0mi depth 7.81608 mi from San Francisco, CA
4/6/2024 - 3.4 mag, 9.4mi depth 3.30386 mi from Berkeley, CA
4/6/2024 - 0.7 mag, 8.2mi depth 3.19282 mi from Berkeley, CA
4/6/2024 - 1.6 mag, 7.0mi depth 1.44501 mi from Walnut Creek, CA
4/6/2024 - 1.9 mag, 8.8mi depth 3.10502 mi from Berkeley, CA
4/4/2024 - 1.7 mag, 12.2mi depth 1.01478 mi from Pacheco, CA
4/4/2024 - 1.8 mag, 3.3mi depth 0.914178 mi from Union City, CA
4/4/2024 - 1.6 mag, 1.3mi depth 3.07427 mi from Santa Venetia, CA
3/31/2024 - 1.3 mag, 6.0mi depth 1.44968 mi from Sunol, CA
3/29/2024 - 1.5 mag, 9.2mi depth 1.027 mi from East Richmond Heights, CA
3/27/2024 - 1.5 mag, 1.2mi depth 3.30412 mi from Santa Venetia, CA
3/25/2024 - 1.4 mag, 5.8mi depth 1.33294 mi from Fairview, CA
3/22/2024 - 0.7 mag, 7.2mi depth 2.2355 mi from Alamo, CA
3/22/2024 - 2.6 mag, 10.7mi depth 3.19117 mi from Pleasant Hill, CA
3/22/2024 - 1.8 mag, 8.0mi depth 7.86845 mi from San Francisco, CA
3/21/2024 - 2.1 mag, 2.9mi depth 4.88649 mi from Muir Beach, CA
3/20/2024 - 1.3 mag, 7.7mi depth 3.03335 mi from Fremont, CA
3/19/2024 - 1.6 mag, 0.0mi depth 2.94685 mi from Santa Venetia, CA
3/18/2024 - 1.4 mag, 8.0mi depth 1.89489 mi from Alamo, CA
3/18/2024 - 1.6 mag, 2.7mi depth 2.81534 mi from Pacifica, CA
3/18/2024 - 1.6 mag, 7.8mi depth 2.7965 mi from Oakland, CA
3/18/2024 - 1.9 mag, 7.9mi depth 2.08868 mi from Alamo, CA
3/17/2024 - 1.8 mag, 15.2mi depth 1.51411 mi from Pacheco, CA
3/15/2024 - 1.8 mag, 8.5mi depth 3.18213 mi from Oakland, CA
3/15/2024 - 2.4 mag, 10.7mi depth 3.00559 mi from Berkeley, CA
3/12/2024 - 1.7 mag, 10.8mi depth 9.16166 mi from San Francisco, CA
3/7/2024 - 1.4 mag, 6.7mi depth 1.5437 mi from Pleasant Hill, CA
3/5/2024 - 2.0 mag, 9.3mi depth 7.53332 mi from San Francisco, CA
3/4/2024 - 1.7 mag, 7.8mi depth 8.6167 mi from San Francisco, CA
3/4/2024 - 2.3 mag, 13.8mi depth 1.2 mi from Walnut Creek, CA
3/4/2024 - 1.9 mag, 9.1mi depth 8.22649 mi from San Francisco, CA

1/8/1977 - 4.8 mag, 10.0mi depth 2.3623 mi from Orinda, CA
10/11/1986 - 4.7 mag, 7.0mi depth 0.9017 mi from Diablo, CA
10/14/2019 - 4.5 mag, 14.6mi depth 1.5005 mi from Pleasant Hill, CA
1/4/2018 - 4.5 mag, 13.0mi depth 3.13005 mi from Berkeley, CA
4/7/1990 - 4.5 mag, 1.0mi depth 1.9436 mi from Alamo, CA
8/18/1999 - 4.5 mag, 7.0mi depth 1.4801 mi from Bolinas, CA
4/28/1979 - 4.4 mag, 12.0mi depth 2.1811 mi from Pacifica, CA
3/27/1984 - 4.3 mag, 7.0mi depth 2.3184 mi from San Leandro, CA
5/11/1987 - 4.3 mag, 4.0mi depth 1.8793 mi from Canyon, CA
4/28/1990 - 4.3 mag, 6.0mi depth 1.6798 mi from North Gate, CA
7/20/2007 - 4.2 mag, 5.3mi depth 2.2993 mi from Canyon, CA
3/3/1981 - 4.2 mag, 8.0mi depth 3.7116 mi from Fremont, CA
3/2/2007 - 4.2 mag, 16.2mi depth 0.6229 mi from Lafayette, CA
6/26/1994 - 4.2 mag, 7.4mi depth 0.5747 mi from Kensington, CA
4/28/1990 - 4.2 mag, 5.0mi depth 0.7963 mi from Alamo, CA
2/2/2003 - 4.1 mag, 16.7mi depth 1.3706 mi from San Ramon, CA
9/6/2008 - 4.1 mag, 16.2mi depth 1.2165 mi from Alamo, CA
1/8/1977 - 4.1 mag, 10.0mi depth 2.0121 mi from Orinda, CA
8/17/2015 - 4.1 mag, 5.4mi depth 1.21708 mi from Piedmont, CA
2/2/2003 - 4.1 mag, 16.9mi depth 1.0399 mi from San Ramon, CA
9/5/2003 - 4.0 mag, 11.5mi depth 1.3839 mi from Piedmont, CA
5/3/2015 - 4.0 mag, 14.6mi depth 1.54997 mi from Concord, CA
3/5/2012 - 4.0 mag, 8.1mi depth 0.6563 mi from El Cerrito, CA
1/8/1977 - 4.0 mag, 10.0mi depth 2.3623 mi from Orinda, CA
8/20/1976 - 4.0 mag, 7.0mi depth 1.3261 mi from Danville, CA
3/29/1986 - 4.0 mag, 9.0mi depth 1.6023 mi from Orinda, CA
7/21/2015 - 4.0 mag, 8.1mi depth 6.27205 mi from Fremont, CA
6/4/1983 - 4.0 mag, 6.0mi depth 1.5122 mi from Ashland, CA
10/20/2011 - 3.9 mag, 8.2mi depth 2.6196 mi from Berkeley, CA
12/4/1998 - 3.9 mag, 6.9mi depth 0.709 mi from Kensington, CA
6/28/2021 - 3.9 mag, 10.6mi depth 2.70219 mi from San Lorenzo, CA
8/20/1976 - 3.9 mag, 2.0mi depth 1.4072 mi from San Ramon, CA
10/27/2023 - 3.9 mag, 13.1mi depth 1.64644 mi from Millbrae, CA
11/24/2002 - 3.9 mag, 11.2mi depth 0.6806 mi from San Ramon, CA
1/14/2021 - 3.8 mag, 6.7mi depth 1.89933 mi from Concord, CA
10/21/2011 - 3.8 mag, 8.0mi depth 2.3283 mi from Berkeley, CA
11/17/2021 - 3.8 mag, 10.9mi depth 2.66032 mi from San Ramon, CA
12/12/1981 - 3.8 mag, 9.0mi depth 2.8433 mi from Woodside, CA
11/25/2002 - 3.8 mag, 10.6mi depth 0.5155 mi from San Ramon, CA
2/2/2003 - 3.7 mag, 16.6mi depth 1.1123 mi from San Ramon, CA
7/15/2000 - 3.7 mag, 15.3mi depth 1.7764 mi from Concord, CA
10/14/2009 - 3.7 mag, 9.6mi depth 2.0143 mi from Pleasanton, CA
11/10/2018 - 3.7 mag, 10.1mi depth 0.928251 mi from Crockett, CA
11/14/1988 - 3.7 mag, 11.0mi depth 2.8724 mi from Portola Valley, CA
12/20/1992 - 3.7 mag, 3.0mi depth 2.9694 mi from San Leandro, CA
3/21/2006 - 3.7 mag, 12.9mi depth 3.7336 mi from Moraga, CA
1/16/2019 - 3.7 mag, 11.7mi depth 2.07791 mi from Piedmont, CA
7/10/1979 - 3.7 mag, 17.0mi depth 1.8371 mi from Diablo, CA
4/6/1990 - 3.7 mag, 5.0mi depth 1.5633 mi from Alamo, CA
2/23/2018 - 3.6 mag, 0.5mi depth 1.32212 mi from Diablo, CA

View All

Earthquake Probability for South San Francisco, CA

View the probability of a major earthquake within the next 50 years in South 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)

5.0

98.01%

5.1

97.02%

5.2

97.02%

5.2

95.83%

5.3

94.49%

5.4

93.05%

5.5

91.57%

5.6

90.10%

5.7

88.68%

5.8

87.35%

5.9

86.12%

6.0

85.01%

6.1

83.80%

6.2

82.50%

6.3

81.08%

6.4

78.67%

6.5

74.99%

6.6

70.26%

6.7

64.51%

6.8

57.74%

6.9

50.20%

7.0

42.94%

7.1

37.10%

7.2

32.95%

7.3

29.26%

7.4

25.61%

7.5

21.07%

7.6

17.55%

7.7

14.17%

7.8

10.72%

7.9

7.04%

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%

Earthquake Count for South San Francisco, CA

View the number of earthquake incidents in South San Francisco, CA by year that are more than 2.5 Magnitude.

List of Earthquake Incidents for South San Francisco, CA

Total Number of Earthquakes in South San Francisco, CA within 30 miles. All distances and depths in the table are measured in miles.

04/26/2024

1.6

9.6

3.88

Earthquake Information for South San Francisco, California

Earthquake Probability for South San Francisco, CA

Probability of Earthquakes Within the Next 50 Years For Magnitudes Between 5.0 and 9.2

Earthquake Count for South San Francisco, CA

List of Earthquake Incidents for South San Francisco, CA

Risk Of Natural Disasters In South San Francisco, CA

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