Earthquake Information for San Joaquin County, California

San Joaquin County, CA has a high earthquake risk, with a total of 18 earthquakes since 1931. The USGS database shows that there is a 79.67% chance of a major earthquake within 50km of San Joaquin County, CA within the next 50 years. The largest earthquake within 30 miles of San Joaquin County, CA was a 5.6 Magnitude in 1980.

Risk Level:
High

Total Number of Earthquakes in San Joaquin County since 1931

Probability of A 5.0 Earthquake within next 50 years

79.67%

Most Recent
Largest

4/4/2024 - 1.8 mag, 0.3mi depth 14 mi from Tracy, CA
5/28/2022 - 2.6 mag, 24.9mi depth 3 mi from Mountain House, CA
11/4/2021 - 1.6 mag, 18.1mi depth 6 mi from Mountain House, CA
9/28/2021 - 1.4 mag, 1.7mi depth 17 mi from Tracy, CA
7/8/2021 - 4.8 mag, 8.0mi depth 7 mi from Farmington, CA
9/9/2020 - 2.1 mag, 2.0mi depth 0 mi from Thornton, CA
8/7/2020 - 1.5 mag, 8.0mi depth 3 mi from Mountain House, CA
5/13/2020 - 2.6 mag, -0.1mi depth 5 mi from Mountain House, CA
10/17/2019 - 1.6 mag, 3.3mi depth 2 mi from Mountain House, CA
9/24/2019 - 2.1 mag, 6.0mi depth 8 mi from Tracy, CA
6/11/2019 - 2.3 mag, 3.1mi depth 3 mi from Mountain House, CA
6/11/2019 - 3.1 mag, 2.7mi depth 3 mi from Mountain House, CA
5/20/2019 - 1.9 mag, 10.5mi depth 4 mi from Mountain House, CA
5/3/2019 - 1.7 mag, 15.7mi depth 7 mi from Mountain House, CA
2/24/2019 - 1.7 mag, 16.3mi depth 7 mi from Mountain House, CA
11/7/2018 - 2.8 mag, 13.3mi depth 4 mi from Mountain House, CA
10/10/2018 - 1.7 mag, 7.2mi depth 10 mi from Mountain House, CA
3/14/2017 - 1.1 mag, 4.7mi depth 6 mi from Tracy, CA
1/21/2016 - 2.7 mag, 17.6mi depth 4 mi from Lathrop, CA
8/28/2015 - 1.5 mag, 2.4mi depth 6 mi from Tracy, CA
3/28/2014 - 1.9 mag, 0.0mi depth 5 mi from Mountain House, CA
7/28/2013 - 1.1 mag, 5.0mi depth 13 mi from Tracy, CA
6/1/2013 - 1.7 mag, 16.3mi depth 7 mi from Mountain House, CA
2/13/2013 - 1.9 mag, 6.0mi depth 13 mi from Tracy, CA
10/26/2012 - 2.1 mag, 8.9mi depth 5 mi from Tracy, CA
10/25/2012 - 2.6 mag, 9.3mi depth 4 mi from Tracy, CA
2/5/2011 - 2.9 mag, 13.2mi depth 5 mi from Mountain House, CA
10/15/2010 - 3.2 mag, 14.7mi depth 6 mi from Lathrop, CA
9/3/2002 - 2.8 mag, 14.8mi depth 4 mi from Tracy, CA
4/22/1997 - 2.9 mag, 16.2mi depth 7 mi from Mountain House, CA
1/12/1994 - 2.9 mag, 10.6mi depth 3 mi from Tracy, CA
2/15/1992 - 4.0 mag, 16.0mi depth 6 mi from Mountain House, CA
2/4/1991 - 2.8 mag, 11.0mi depth 2 mi from Manteca, CA
2/3/1991 - 3.1 mag, 12.0mi depth 2 mi from Manteca, CA
7/2/1985 - 2.7 mag, 5.0mi depth 8 mi from Mountain House, CA
10/6/1976 - 3.0 mag, 2.0mi depth 7 mi from Tracy, CA
9/5/1976 - 3.5 mag, 9.0mi depth 8 mi from Tracy, CA

7/8/2021 - 4.8 mag, 8.0mi depth 7 mi from Farmington, CA
2/15/1992 - 4.0 mag, 16.0mi depth 6 mi from Mountain House, CA
9/5/1976 - 3.5 mag, 9.0mi depth 8 mi from Tracy, CA
10/15/2010 - 3.2 mag, 14.7mi depth 6 mi from Lathrop, CA
2/3/1991 - 3.1 mag, 12.0mi depth 2 mi from Manteca, CA
6/11/2019 - 3.1 mag, 2.7mi depth 3 mi from Mountain House, CA
10/6/1976 - 3.0 mag, 2.0mi depth 7 mi from Tracy, CA
2/5/2011 - 2.9 mag, 13.2mi depth 5 mi from Mountain House, CA
1/12/1994 - 2.9 mag, 10.6mi depth 3 mi from Tracy, CA
4/22/1997 - 2.9 mag, 16.2mi depth 7 mi from Mountain House, CA
11/7/2018 - 2.8 mag, 13.3mi depth 4 mi from Mountain House, CA
2/4/1991 - 2.8 mag, 11.0mi depth 2 mi from Manteca, CA
9/3/2002 - 2.8 mag, 14.8mi depth 4 mi from Tracy, CA
7/2/1985 - 2.7 mag, 5.0mi depth 8 mi from Mountain House, CA
1/21/2016 - 2.7 mag, 17.6mi depth 4 mi from Lathrop, CA
10/25/2012 - 2.6 mag, 9.3mi depth 4 mi from Tracy, CA
5/28/2022 - 2.6 mag, 24.9mi depth 3 mi from Mountain House, CA
5/13/2020 - 2.6 mag, -0.1mi depth 5 mi from Mountain House, CA
6/11/2019 - 2.3 mag, 3.1mi depth 3 mi from Mountain House, CA
9/9/2020 - 2.1 mag, 2.0mi depth 0 mi from Thornton, CA
10/26/2012 - 2.1 mag, 8.9mi depth 5 mi from Tracy, CA
9/24/2019 - 2.1 mag, 6.0mi depth 8 mi from Tracy, CA
2/13/2013 - 1.9 mag, 6.0mi depth 13 mi from Tracy, CA
5/20/2019 - 1.9 mag, 10.5mi depth 4 mi from Mountain House, CA
3/28/2014 - 1.9 mag, 0.0mi depth 5 mi from Mountain House, CA
4/4/2024 - 1.8 mag, 0.3mi depth 14 mi from Tracy, CA
10/10/2018 - 1.7 mag, 7.2mi depth 10 mi from Mountain House, CA
2/24/2019 - 1.7 mag, 16.3mi depth 7 mi from Mountain House, CA
5/3/2019 - 1.7 mag, 15.7mi depth 7 mi from Mountain House, CA
6/1/2013 - 1.7 mag, 16.3mi depth 7 mi from Mountain House, CA
11/4/2021 - 1.6 mag, 18.1mi depth 6 mi from Mountain House, CA
10/17/2019 - 1.6 mag, 3.3mi depth 2 mi from Mountain House, CA
8/7/2020 - 1.5 mag, 8.0mi depth 3 mi from Mountain House, CA
8/28/2015 - 1.5 mag, 2.4mi depth 6 mi from Tracy, CA
9/28/2021 - 1.4 mag, 1.7mi depth 17 mi from Tracy, CA
7/28/2013 - 1.1 mag, 5.0mi depth 13 mi from Tracy, CA
3/14/2017 - 1.1 mag, 4.7mi depth 6 mi from Tracy, CA

View All

Earthquake Probability for San Joaquin County, CA

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

79.67%

5.1

74.24%

5.2

74.24%

5.2

68.63%

5.3

63.04%

5.4

57.64%

5.5

52.56%

5.6

47.86%

5.7

43.61%

5.8

39.81%

5.9

36.45%

6.0

33.52%

6.1

30.52%

6.2

27.93%

6.3

25.55%

6.4

22.62%

6.5

17.21%

6.6

12.31%

6.7

8.55%

6.8

5.56%

6.9

3.23%

7.0

0.88%

7.1

0.25%

7.2

0.03%

7.3

0.00%

7.4

0.00%

7.5

0.00%

7.6

0.00%

7.7

0.00%

7.8

0.00%

7.9

0.00%

8.0

0.00%

8.1

0.00%

8.2

0.00%

8.3

0.00%

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 Joaquin County, CA

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

List of Earthquake Incidents for San Joaquin County, CA

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

Date

Magnitude

Depth

04/04/2024

1.8

0.3

Earthquake Information for San Joaquin County, California

Earthquake Probability for San Joaquin County, CA

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

Earthquake Count for San Joaquin County, CA

List of Earthquake Incidents for San Joaquin County, CA

Risk Of Natural Disasters In San Joaquin County, CA

Related Pages

California Earthquakes by City