Earthquake Information for Stanislaus County, California

Stanislaus County, CA has a very high earthquake risk, with a total of 29 earthquakes since 1931. The USGS database shows that there is a 80.62% chance of a major earthquake within 50km of Stanislaus County, CA within the next 50 years. The largest earthquake within 30 miles of Stanislaus County, CA was a 4.8 Magnitude in 2021.

Risk Level:
Very High

Total Number of Earthquakes in Stanislaus County since 1931

Probability of A 5.0 Earthquake within next 50 years

80.62%

Most Recent
Largest

4/14/2024 - 2.9 mag, -0.2mi depth 10 mi from Westley, CA
4/5/2024 - 1.9 mag, -0.4mi depth 14 mi from Patterson, CA
1/27/2024 - 2.7 mag, -0.5mi depth 8 mi from Westley, CA
1/16/2024 - 1.7 mag, -0.5mi depth 12 mi from Patterson, CA
9/26/2023 - 1.7 mag, 1.3mi depth 11 mi from Patterson, CA
9/24/2023 - 1.6 mag, -0.4mi depth 9 mi from Westley, CA
9/23/2023 - 3.3 mag, 1.8mi depth 9 mi from Patterson, CA
9/23/2023 - 1.7 mag, 1.8mi depth 11 mi from Patterson, CA
9/20/2023 - 2.0 mag, -0.1mi depth 6 mi from Westley, CA
9/20/2023 - 2.0 mag, 5.0mi depth 8 mi from Westley, CA
9/19/2023 - 3.1 mag, 0.3mi depth 9 mi from Patterson, CA
9/19/2023 - 1.6 mag, 4.5mi depth 8 mi from Westley, CA
9/18/2023 - 2.1 mag, 5.2mi depth 7 mi from Westley, CA
9/18/2023 - 3.2 mag, 1.4mi depth 9 mi from Patterson, CA
9/18/2023 - 3.9 mag, 0.9mi depth 9 mi from Westley, CA
9/18/2023 - 2.0 mag, -0.2mi depth 6 mi from Patterson, CA
9/18/2023 - 3.6 mag, 0.1mi depth 9 mi from Westley, CA
9/18/2023 - 3.2 mag, 1.9mi depth 10 mi from Patterson, CA
9/18/2023 - 1.9 mag, 2.4mi depth 10 mi from Patterson, CA
9/18/2023 - 1.6 mag, 2.3mi depth 10 mi from Patterson, CA
9/18/2023 - 4.4 mag, 2.8mi depth 9 mi from Westley, CA
9/18/2023 - 1.6 mag, 1.5mi depth 10 mi from Patterson, CA
9/18/2023 - 2.1 mag, 2.1mi depth 7 mi from Patterson, CA
9/18/2023 - 1.8 mag, 3.8mi depth 7 mi from Westley, CA
9/7/2023 - 1.8 mag, 0.9mi depth 11 mi from Westley, CA
9/6/2023 - 1.9 mag, -0.5mi depth 10 mi from Westley, CA
8/31/2023 - 1.8 mag, 1.4mi depth 10 mi from Patterson, CA
8/30/2023 - 3.6 mag, -0.1mi depth 9 mi from Westley, CA
5/31/2023 - 2.3 mag, 24.5mi depth 8 mi from Westley, CA
1/19/2023 - 2.5 mag, 2.1mi depth 3 mi from Grayson, CA
12/13/2022 - 1.5 mag, 5.4mi depth 11 mi from Westley, CA
12/4/2022 - 1.2 mag, 4.6mi depth 15 mi from Westley, CA
10/24/2022 - 2.3 mag, 12.7mi depth 5 mi from Grayson, CA
10/13/2022 - 1.0 mag, 6.9mi depth 14 mi from Westley, CA
6/24/2022 - 1.3 mag, 7.8mi depth 18 mi from Westley, CA
4/15/2022 - 2.2 mag, 22.7mi depth 5 mi from Newman, CA
3/3/2022 - 1.5 mag, 2.0mi depth 14 mi from Patterson, CA
1/21/2022 - 1.2 mag, 6.3mi depth 18 mi from Westley, CA
11/26/2021 - 1.3 mag, 13.5mi depth 15 mi from Westley, CA
9/15/2021 - 2.2 mag, 1.4mi depth 5 mi from Newman, CA
9/14/2021 - 1.0 mag, 7.6mi depth 13 mi from Westley, CA
7/16/2021 - 1.5 mag, 2.4mi depth 1 mi from Waterford, CA
7/15/2021 - 2.5 mag, 1.7mi depth 2 mi from Oakdale, CA
7/11/2021 - 2.1 mag, 2.7mi depth 5 mi from Newman, CA
4/26/2021 - 2.0 mag, 0.1mi depth 3 mi from Newman, CA
11/1/2020 - 1.8 mag, 11.9mi depth 10 mi from Patterson, CA
9/27/2020 - 1.6 mag, 4.6mi depth 13 mi from Patterson, CA
9/15/2020 - 0.9 mag, 6.4mi depth 11 mi from Westley, CA
7/8/2020 - 1.3 mag, 12.4mi depth 12 mi from Westley, CA
5/25/2020 - 1.3 mag, 0.9mi depth 18 mi from Westley, CA
3/19/2020 - 1.4 mag, 6.5mi depth 15 mi from Westley, CA
3/19/2020 - 2.1 mag, 5.1mi depth 15 mi from Westley, CA
3/8/2020 - 1.4 mag, 6.6mi depth 13 mi from Westley, CA
2/20/2020 - 2.0 mag, 4.1mi depth 10 mi from Westley, CA
8/8/2019 - 1.7 mag, 4.6mi depth 19 mi from Westley, CA
6/21/2019 - 1.6 mag, -0.5mi depth 11 mi from Westley, CA
5/26/2019 - 2.5 mag, 30.9mi depth 6 mi from Newman, CA
4/23/2019 - 1.9 mag, 19.8mi depth 9 mi from Newman, CA
4/15/2019 - 1.3 mag, 2.1mi depth 12 mi from Westley, CA
12/19/2018 - 1.2 mag, 5.6mi depth 14 mi from Westley, CA
12/6/2018 - 1.6 mag, 2.6mi depth 13 mi from Patterson, CA
12/6/2018 - 1.6 mag, 2.5mi depth 13 mi from Patterson, CA
8/4/2018 - 2.0 mag, 10.3mi depth 1 mi from Westley, CA
4/21/2018 - 2.2 mag, -0.6mi depth 9 mi from Westley, CA
3/26/2018 - 1.8 mag, 5.3mi depth 16 mi from Westley, CA
3/26/2018 - 1.8 mag, 5.3mi depth 16 mi from Westley, CA
1/4/2018 - 2.6 mag, 2.2mi depth 14 mi from Westley, CA
1/4/2018 - 2.1 mag, 0.8mi depth 12 mi from Westley, CA
10/16/2017 - 2.5 mag, 11.1mi depth 10 mi from Patterson, CA
9/7/2017 - 1.2 mag, 1.0mi depth 13 mi from Patterson, CA
3/18/2017 - 1.8 mag, 1.6mi depth 7 mi from Patterson, CA
11/7/2016 - 2.2 mag, 26.2mi depth 10 mi from Waterford, CA
10/10/2016 - 2.0 mag, 1.2mi depth 12 mi from Patterson, CA
7/7/2016 - 0.0 mag, -0.8mi depth 12 mi from Patterson, CA
1/27/2016 - 0.0 mag, -1.0mi depth 15 mi from Patterson, CA
1/22/2016 - 2.4 mag, 0.1mi depth 15 mi from Patterson, CA
12/17/2015 - 1.6 mag, 10.6mi depth 12 mi from Patterson, CA
12/5/2015 - 1.2 mag, 10.0mi depth 7 mi from Patterson, CA
11/5/2015 - 2.3 mag, 5.6mi depth 11 mi from Patterson, CA
7/22/2015 - 1.9 mag, 13.2mi depth 15 mi from Patterson, CA
6/17/2015 - 2.1 mag, 25.0mi depth 11 mi from Patterson, CA
1/14/2015 - 2.0 mag, 1.6mi depth 2 mi from Keyes, CA
12/27/2014 - 2.3 mag, 1.0mi depth 14 mi from Patterson, CA
12/26/2014 - 1.8 mag, 1.4mi depth 14 mi from Patterson, CA
11/21/2014 - 2.0 mag, 0.3mi depth 13 mi from Patterson, CA
9/20/2014 - 0.8 mag, 4.3mi depth 3 mi from Waterford, CA
5/5/2014 - 1.9 mag, 3.1mi depth 13 mi from Patterson, CA
4/23/2014 - 2.4 mag, 6.9mi depth 14 mi from Diablo Grande, CA
1/26/2014 - 1.2 mag, 7.6mi depth 17 mi from Patterson, CA
11/25/2013 - 1.7 mag, 1.8mi depth 12 mi from Patterson, CA
11/6/2013 - 2.4 mag, 12.7mi depth 5 mi from Westley, CA
8/11/2013 - 1.1 mag, 1.6mi depth 8 mi from Diablo Grande, CA
7/17/2013 - 0.9 mag, 7.0mi depth 9 mi from Diablo Grande, CA
7/15/2013 - 1.9 mag, 6.1mi depth 10 mi from Diablo Grande, CA
4/5/2013 - 1.1 mag, 5.6mi depth 9 mi from Diablo Grande, CA
3/1/2013 - 1.3 mag, 2.1mi depth 2 mi from Diablo Grande, CA
2/2/2013 - 0.7 mag, 6.0mi depth 9 mi from Diablo Grande, CA
10/16/2011 - 2.9 mag, 4.0mi depth 7 mi from Crows Landing, CA
10/5/2010 - 3.1 mag, 8.4mi depth 13 mi from Diablo Grande, CA
2/7/2010 - 2.8 mag, 9.3mi depth 4 mi from Newman, CA

9/18/2023 - 4.4 mag, 2.8mi depth 9 mi from Westley, CA
2/5/2005 - 4.1 mag, 7.0mi depth 11 mi from Diablo Grande, CA
9/7/1994 - 4.1 mag, 3.0mi depth 4 mi from Westley, CA
9/18/2023 - 3.9 mag, 0.9mi depth 9 mi from Westley, CA
9/18/2023 - 3.6 mag, 0.1mi depth 9 mi from Westley, CA
1/25/2006 - 3.6 mag, 6.3mi depth 11 mi from Diablo Grande, CA
8/30/2023 - 3.6 mag, -0.1mi depth 9 mi from Westley, CA
1/15/2006 - 3.5 mag, 3.2mi depth 13 mi from Diablo Grande, CA
2/25/2007 - 3.5 mag, 6.6mi depth 3 mi from Newman, CA
1/8/1998 - 3.4 mag, 0.6mi depth 2 mi from Diablo Grande, CA
2/20/1975 - 3.4 mag, 6.0mi depth 5 mi from Diablo Grande, CA
10/13/1977 - 3.4 mag, 2.0mi depth 4 mi from Monterey Park Tract, CA
9/23/2023 - 3.3 mag, 1.8mi depth 9 mi from Patterson, CA
9/18/2023 - 3.2 mag, 1.9mi depth 10 mi from Patterson, CA
7/24/2009 - 3.2 mag, 5.6mi depth 3 mi from Newman, CA
9/18/2023 - 3.2 mag, 1.4mi depth 9 mi from Patterson, CA
10/5/2010 - 3.1 mag, 8.4mi depth 13 mi from Diablo Grande, CA
9/19/2023 - 3.1 mag, 0.3mi depth 9 mi from Patterson, CA
9/20/1996 - 3.0 mag, 0.1mi depth 2 mi from Newman, CA
9/30/2003 - 3.0 mag, 4.4mi depth 3 mi from Diablo Grande, CA
10/7/1991 - 3.0 mag, 7.0mi depth 10 mi from Westley, CA
10/16/2011 - 2.9 mag, 4.0mi depth 7 mi from Crows Landing, CA
4/14/2024 - 2.9 mag, -0.2mi depth 10 mi from Westley, CA
8/14/1984 - 2.9 mag, 5.0mi depth 16 mi from Diablo Grande, CA
2/7/2010 - 2.8 mag, 9.3mi depth 4 mi from Newman, CA
7/14/1987 - 2.8 mag, 4.0mi depth 7 mi from Westley, CA
8/10/2006 - 2.8 mag, 6.5mi depth 14 mi from Diablo Grande, CA
1/27/2024 - 2.7 mag, -0.5mi depth 8 mi from Westley, CA
1/4/2018 - 2.6 mag, 2.2mi depth 14 mi from Westley, CA
5/26/2019 - 2.5 mag, 30.9mi depth 6 mi from Newman, CA
7/15/2021 - 2.5 mag, 1.7mi depth 2 mi from Oakdale, CA
1/19/2023 - 2.5 mag, 2.1mi depth 3 mi from Grayson, CA
2/28/1988 - 2.5 mag, 2.0mi depth 13 mi from Diablo Grande, CA
4/24/1990 - 2.5 mag, 9.0mi depth 10 mi from Westley, CA
10/7/2009 - 2.5 mag, 2.2mi depth 3 mi from Diablo Grande, CA
10/16/2017 - 2.5 mag, 11.1mi depth 10 mi from Patterson, CA
4/23/2014 - 2.4 mag, 6.9mi depth 14 mi from Diablo Grande, CA
1/22/2016 - 2.4 mag, 0.1mi depth 15 mi from Patterson, CA
11/6/2013 - 2.4 mag, 12.7mi depth 5 mi from Westley, CA
10/24/2022 - 2.3 mag, 12.7mi depth 5 mi from Grayson, CA
12/27/2014 - 2.3 mag, 1.0mi depth 14 mi from Patterson, CA
5/31/2023 - 2.3 mag, 24.5mi depth 8 mi from Westley, CA
11/5/2015 - 2.3 mag, 5.6mi depth 11 mi from Patterson, CA
4/15/2022 - 2.2 mag, 22.7mi depth 5 mi from Newman, CA
4/21/2018 - 2.2 mag, -0.6mi depth 9 mi from Westley, CA
11/7/2016 - 2.2 mag, 26.2mi depth 10 mi from Waterford, CA
9/15/2021 - 2.2 mag, 1.4mi depth 5 mi from Newman, CA
1/4/2018 - 2.1 mag, 0.8mi depth 12 mi from Westley, CA
9/18/2023 - 2.1 mag, 5.2mi depth 7 mi from Westley, CA
7/11/2021 - 2.1 mag, 2.7mi depth 5 mi from Newman, CA
3/19/2020 - 2.1 mag, 5.1mi depth 15 mi from Westley, CA
9/18/2023 - 2.1 mag, 2.1mi depth 7 mi from Patterson, CA
6/17/2015 - 2.1 mag, 25.0mi depth 11 mi from Patterson, CA
4/26/2021 - 2.0 mag, 0.1mi depth 3 mi from Newman, CA
2/20/2020 - 2.0 mag, 4.1mi depth 10 mi from Westley, CA
11/21/2014 - 2.0 mag, 0.3mi depth 13 mi from Patterson, CA
9/20/2023 - 2.0 mag, -0.1mi depth 6 mi from Westley, CA
8/4/2018 - 2.0 mag, 10.3mi depth 1 mi from Westley, CA
10/10/2016 - 2.0 mag, 1.2mi depth 12 mi from Patterson, CA
9/20/2023 - 2.0 mag, 5.0mi depth 8 mi from Westley, CA
1/14/2015 - 2.0 mag, 1.6mi depth 2 mi from Keyes, CA
9/18/2023 - 2.0 mag, -0.2mi depth 6 mi from Patterson, CA
5/5/2014 - 1.9 mag, 3.1mi depth 13 mi from Patterson, CA
4/5/2024 - 1.9 mag, -0.4mi depth 14 mi from Patterson, CA
9/18/2023 - 1.9 mag, 2.4mi depth 10 mi from Patterson, CA
7/15/2013 - 1.9 mag, 6.1mi depth 10 mi from Diablo Grande, CA
7/22/2015 - 1.9 mag, 13.2mi depth 15 mi from Patterson, CA
4/23/2019 - 1.9 mag, 19.8mi depth 9 mi from Newman, CA
9/6/2023 - 1.9 mag, -0.5mi depth 10 mi from Westley, CA
9/7/2023 - 1.8 mag, 0.9mi depth 11 mi from Westley, CA
11/1/2020 - 1.8 mag, 11.9mi depth 10 mi from Patterson, CA
3/26/2018 - 1.8 mag, 5.3mi depth 16 mi from Westley, CA
3/26/2018 - 1.8 mag, 5.3mi depth 16 mi from Westley, CA
12/26/2014 - 1.8 mag, 1.4mi depth 14 mi from Patterson, CA
3/18/2017 - 1.8 mag, 1.6mi depth 7 mi from Patterson, CA
9/18/2023 - 1.8 mag, 3.8mi depth 7 mi from Westley, CA
8/31/2023 - 1.8 mag, 1.4mi depth 10 mi from Patterson, CA
1/16/2024 - 1.7 mag, -0.5mi depth 12 mi from Patterson, CA
8/8/2019 - 1.7 mag, 4.6mi depth 19 mi from Westley, CA
9/23/2023 - 1.7 mag, 1.8mi depth 11 mi from Patterson, CA
9/26/2023 - 1.7 mag, 1.3mi depth 11 mi from Patterson, CA
11/25/2013 - 1.7 mag, 1.8mi depth 12 mi from Patterson, CA
6/21/2019 - 1.6 mag, -0.5mi depth 11 mi from Westley, CA
12/17/2015 - 1.6 mag, 10.6mi depth 12 mi from Patterson, CA
9/18/2023 - 1.6 mag, 2.3mi depth 10 mi from Patterson, CA
9/19/2023 - 1.6 mag, 4.5mi depth 8 mi from Westley, CA
12/6/2018 - 1.6 mag, 2.6mi depth 13 mi from Patterson, CA
9/18/2023 - 1.6 mag, 1.5mi depth 10 mi from Patterson, CA
12/6/2018 - 1.6 mag, 2.5mi depth 13 mi from Patterson, CA
9/24/2023 - 1.6 mag, -0.4mi depth 9 mi from Westley, CA
9/27/2020 - 1.6 mag, 4.6mi depth 13 mi from Patterson, CA
7/16/2021 - 1.5 mag, 2.4mi depth 1 mi from Waterford, CA
12/13/2022 - 1.5 mag, 5.4mi depth 11 mi from Westley, CA
3/3/2022 - 1.5 mag, 2.0mi depth 14 mi from Patterson, CA
3/8/2020 - 1.4 mag, 6.6mi depth 13 mi from Westley, CA
3/19/2020 - 1.4 mag, 6.5mi depth 15 mi from Westley, CA
6/24/2022 - 1.3 mag, 7.8mi depth 18 mi from Westley, CA
3/1/2013 - 1.3 mag, 2.1mi depth 2 mi from Diablo Grande, CA
5/25/2020 - 1.3 mag, 0.9mi depth 18 mi from Westley, CA
11/26/2021 - 1.3 mag, 13.5mi depth 15 mi from Westley, CA

View All

Earthquake Probability for Stanislaus County, CA

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

80.62%

5.1

75.17%

5.2

75.17%

5.2

69.49%

5.3

63.78%

5.4

58.23%

5.5

52.98%

5.6

48.11%

5.7

43.67%

5.8

39.69%

5.9

36.17%

6.0

33.09%

6.1

29.65%

6.2

26.66%

6.3

23.99%

6.4

21.40%

6.5

18.34%

6.6

13.87%

6.7

10.85%

6.8

7.83%

6.9

4.92%

7.0

1.59%

7.1

0.54%

7.2

0.12%

7.3

0.01%

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 Stanislaus County, CA

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

List of Earthquake Incidents for Stanislaus County, CA

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

Date

Magnitude

Depth

04/14/2024

2.9

-0.2

Earthquake Information for Stanislaus County, California

Earthquake Probability for Stanislaus County, CA

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

Earthquake Count for Stanislaus County, CA

List of Earthquake Incidents for Stanislaus County, CA

Risk Of Natural Disasters In Stanislaus County, CA

Related Pages

California Earthquakes by City