Earthquake Information for San Ramon, California

San Ramon, CA has a very high earthquake risk, with a total of 5,420 earthquakes since 1931. The USGS database shows that there is a 99.40% chance of a major earthquake within 50km of San Ramon, CA within the next 50 years. The largest earthquake within 30 miles of San Ramon, CA was a 5.6 Magnitude in 1980.

Risk Level:
Very High

Total Number of Earthquakes in San Ramon since 1931 within 30 miles

5,420

Probability of A 5.0 Earthquake within next 50 years

99.40%

Most Recent
Largest

4/19/2024 - 2.1 mag, 3.1mi depth 5.85428 mi from Vallejo, CA
4/19/2024 - 1.1 mag, 10.0mi depth 1.33475 mi from Crockett, CA
4/18/2024 - 1.7 mag, 26.2mi depth 8.69359 mi from Livermore, 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 - 1.8 mag, 0.1mi depth 4.83328 mi from Vallejo, CA
4/12/2024 - 1.2 mag, 9.8mi depth 4.71481 mi from Alameda, 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
4/7/2024 - 1.4 mag, 5.8mi depth 7.0533 mi from Brentwood, CA
4/7/2024 - 1.8 mag, 19.0mi depth 6.82164 mi from Brentwood, CA
4/6/2024 - 2.1 mag, 9.0mi depth 5.03793 mi from Milpitas, 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 - 1.8 mag, 0.3mi depth 13.9385 mi from Tracy, CA
4/1/2024 - 2.0 mag, 12.3mi depth 5.43794 mi from Clayton, CA
3/31/2024 - 1.3 mag, 6.0mi depth 1.44968 mi from Sunol, CA
3/30/2024 - 1.6 mag, 4.4mi depth 5.41771 mi from Milpitas, CA
3/29/2024 - 1.5 mag, 9.2mi depth 1.027 mi from East Richmond Heights, CA
3/25/2024 - 1.4 mag, 5.8mi depth 1.33294 mi from Fairview, CA
3/25/2024 - 1.8 mag, 15.0mi depth 7.31805 mi from Blackhawk, CA
3/23/2024 - 1.1 mag, 2.4mi depth 8.55902 mi from Livermore, CA
3/23/2024 - 2.1 mag, 13.8mi depth 8.6778 mi from Pittsburg, 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
3/21/2024 - 1.5 mag, 7.4mi depth 2.27516 mi from Bethel Island, CA
3/20/2024 - 1.3 mag, 7.7mi depth 3.03335 mi from Fremont, CA
3/18/2024 - 1.4 mag, 8.0mi depth 1.89489 mi from Alamo, 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
3/7/2024 - 1.4 mag, 6.7mi depth 1.5437 mi from Pleasant Hill, CA
3/4/2024 - 2.3 mag, 13.8mi depth 1.2 mi from Walnut Creek, CA
3/3/2024 - 1.0 mag, 9.9mi depth 2.06158 mi from Alamo, CA
3/2/2024 - 1.5 mag, 9.9mi depth 1.99755 mi from Alamo, CA
2/29/2024 - 0.4 mag, 4.6mi depth 1.76098 mi from Oakland, CA
2/29/2024 - 3.0 mag, 1.8mi depth 0.923091 mi from Discovery Bay, CA
2/28/2024 - 1.1 mag, 11.2mi depth 2.37899 mi from Oakland, CA
2/28/2024 - 1.8 mag, 11.8mi depth 4.83832 mi from Brentwood, CA
2/28/2024 - 3.8 mag, 11.6mi depth 0.0401451 mi from Discovery Bay, CA
2/28/2024 - 2.4 mag, 4.0mi depth 1.28312 mi from Byron, CA

1/24/1980 - 5.6 mag, 15.0mi depth 2.6579 mi from Livermore, CA
3/31/1986 - 5.6 mag, 8.0mi depth 9.7507 mi from East Foothills, CA
3/31/1986 - 5.6 mag, 9.2mi depth 9.7153 mi from East Foothills, CA
10/31/2007 - 5.6 mag, 10.0mi depth 4.1896 mi from East Foothills, CA
1/27/1980 - 5.0 mag, 15.0mi depth 3.681 mi from Livermore, CA
6/13/1988 - 5.0 mag, 7.0mi depth 2.3963 mi from East Foothills, CA
1/15/1981 - 4.8 mag, 9.0mi depth 4.3146 mi from East Foothills, CA
1/8/1977 - 4.8 mag, 10.0mi depth 2.3623 mi from Orinda, CA
6/21/1977 - 4.7 mag, 10.0mi depth 7.5031 mi from Livermore, CA
10/11/1986 - 4.7 mag, 7.0mi depth 0.9017 mi from Diablo, CA
10/18/2023 - 4.6 mag, 8.0mi depth 3.38521 mi from Isleton, CA
11/10/1988 - 4.5 mag, 7.0mi depth 3.2923 mi from East Foothills, CA
4/3/1989 - 4.5 mag, 9.0mi depth 2.9123 mi from East Foothills, CA
4/7/1990 - 4.5 mag, 1.0mi depth 1.9436 mi from Alamo, 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
5/11/1987 - 4.3 mag, 4.0mi depth 1.8793 mi from Canyon, CA
3/27/1984 - 4.3 mag, 7.0mi depth 2.3184 mi from San Leandro, CA
4/28/1990 - 4.3 mag, 6.0mi depth 1.6798 mi from North Gate, CA
3/18/1984 - 4.3 mag, 12.0mi depth 5.0712 mi from Livermore, CA
7/16/2019 - 4.3 mag, 12.2mi depth 8.03143 mi from Blackhawk, CA
6/26/1994 - 4.2 mag, 7.4mi depth 0.5747 mi from Kensington, CA
3/3/1981 - 4.2 mag, 8.0mi depth 3.7116 mi from Fremont, CA
7/20/2007 - 4.2 mag, 5.3mi depth 2.2993 mi from Canyon, CA
4/28/1990 - 4.2 mag, 5.0mi depth 0.7963 mi from Alamo, CA
1/25/1980 - 4.2 mag, 9.0mi depth 6.6998 mi from Brentwood, CA
3/2/2007 - 4.2 mag, 16.2mi depth 0.6229 mi from Lafayette, CA
1/25/1980 - 4.2 mag, 8.0mi depth 6.5792 mi from Blackhawk, CA
1/25/1980 - 4.2 mag, 6.0mi depth 6.5297 mi from Camino Tassajara, CA
9/6/2008 - 4.1 mag, 16.2mi depth 1.2165 mi from Alamo, CA
8/17/2015 - 4.1 mag, 5.4mi depth 1.21708 mi from Piedmont, CA
7/9/1989 - 4.1 mag, 5.0mi depth 2.0429 mi from East Foothills, CA
10/22/1987 - 4.1 mag, 7.0mi depth 7.3636 mi from Byron, CA
2/2/2003 - 4.1 mag, 16.7mi depth 1.3706 mi from San Ramon, CA
6/2/2022 - 4.1 mag, 19.7mi depth 3.34904 mi from Bay Point, CA
1/8/1977 - 4.1 mag, 10.0mi depth 2.0121 mi from Orinda, CA
8/24/1980 - 4.1 mag, 6.0mi depth 9.4738 mi from Livermore, CA
1/27/1980 - 4.1 mag, 13.0mi depth 6.0549 mi from Camino Tassajara, CA
4/20/1991 - 4.1 mag, 5.0mi depth 7.0305 mi from East Foothills, CA
12/11/1986 - 4.1 mag, 4.0mi depth 9.7954 mi from Livermore, CA
7/1/1990 - 4.1 mag, 7.0mi depth 3.9889 mi from East Foothills, CA
2/2/2003 - 4.1 mag, 16.9mi depth 1.0399 mi from San Ramon, CA
1/7/2010 - 4.1 mag, 11.0mi depth 5.9672 mi from Milpitas, CA
2/15/1992 - 4.0 mag, 16.0mi depth 6.4268 mi from Mountain House, CA
2/28/1987 - 4.0 mag, 6.0mi depth 8.0547 mi from East Foothills, CA
5/11/1978 - 4.0 mag, 2.0mi depth 3.1651 mi from East Foothills, CA
3/29/1986 - 4.0 mag, 9.0mi depth 1.6023 mi from Orinda, CA
6/4/1983 - 4.0 mag, 6.0mi depth 1.5122 mi from Ashland, CA
8/24/1982 - 4.0 mag, 6.0mi depth 4.715 mi from Milpitas, CA
3/10/1991 - 4.0 mag, 16.0mi depth 2.6244 mi from Livermore, CA

View All

Earthquake Probability for San Ramon, CA

View the probability of a major earthquake within the next 50 years in San Ramon, 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

99.40%

5.1

98.97%

5.2

98.97%

5.2

98.38%

5.3

97.65%

5.4

96.78%

5.5

95.82%

5.6

94.81%

5.7

93.79%

5.8

92.79%

5.9

91.83%

6.0

90.69%

6.1

89.08%

6.2

86.55%

6.3

83.17%

6.4

78.26%

6.5

71.35%

6.6

62.38%

6.7

53.37%

6.8

43.98%

6.9

35.53%

7.0

27.84%

7.1

23.16%

7.2

20.24%

7.3

17.59%

7.4

15.01%

7.5

12.25%

7.6

10.24%

7.7

8.79%

7.8

7.65%

7.9

5.84%

8.0

3.68%

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 San Ramon, CA

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

List of Earthquake Incidents for San Ramon, CA

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

04/19/2024

1.1

10.0

1.33

Earthquake Information for San Ramon, California

Earthquake Probability for San Ramon, CA

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

Earthquake Count for San Ramon, CA

List of Earthquake Incidents for San Ramon, CA

Risk Of Natural Disasters In San Ramon, CA

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