Earthquake Information for San Marcos, California

San Marcos, CA has a very high earthquake risk, with a total of 4,810 earthquakes since 1931. The USGS database shows that there is a 83.40% chance of a major earthquake within 50km of San Marcos, CA within the next 50 years. The largest earthquake within 30 miles of San Marcos, CA was a 4.2 Magnitude in 1991.

Risk Level:
Very High

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

4,810

Probability of A 5.0 Earthquake within next 50 years

83.40%

Most Recent
Largest

4/22/2024 - 1.6 mag, 3.8mi depth 4.22029 mi from Lakeside, CA
4/21/2024 - 1.6 mag, 10.9mi depth 97.392 mi from Los Angeles, CA
4/20/2024 - 1.0 mag, 9.6mi depth 5.13876 mi from Aguanga, CA
4/18/2024 - 0.7 mag, 5.6mi depth 98.5044 mi from Los Angeles, CA
4/18/2024 - 0.6 mag, 5.6mi depth 98.5831 mi from Los Angeles, CA
4/18/2024 - 0.9 mag, 16.7mi depth 97.3194 mi from Los Angeles, CA
4/17/2024 - 0.7 mag, 2.9mi depth 101.679 mi from Los Angeles, CA
4/17/2024 - 1.4 mag, 4.8mi depth 98.7012 mi from Los Angeles, CA
4/17/2024 - 1.1 mag, 5.7mi depth 99.0918 mi from Los Angeles, CA
4/16/2024 - 1.0 mag, 5.9mi depth 5.8874 mi from Aguanga, CA
4/15/2024 - 1.2 mag, 14.2mi depth 106.734 mi from Los Angeles, CA
4/12/2024 - 1.7 mag, 6.3mi depth 4.53381 mi from Aguanga, CA
4/11/2024 - 2.0 mag, 28.6mi depth 1.5325 mi from Poway, CA
4/11/2024 - 1.1 mag, 13.3mi depth 2.24536 mi from Temecula, CA
4/10/2024 - 1.0 mag, 23.5mi depth 4.67609 mi from Pala, CA
4/9/2024 - 1.6 mag, 18.3mi depth 18.0124 mi from Camp Pendleton South, CA
4/9/2024 - 1.5 mag, 4.5mi depth 0.902194 mi from Rancho San Diego, CA
4/5/2024 - 1.6 mag, 4.9mi depth 4.08518 mi from Lakeside, CA
4/5/2024 - 1.3 mag, 9.7mi depth 5.05374 mi from Aguanga, CA
4/4/2024 - 0.9 mag, 4.2mi depth 4.6248 mi from Pala, CA
3/30/2024 - 0.9 mag, 3.0mi depth 5.17837 mi from Murrieta, CA
3/28/2024 - 1.3 mag, 17.9mi depth 3.93074 mi from Alpine, CA
3/27/2024 - 1.2 mag, 5.6mi depth 3.93463 mi from La Mesa, CA
3/27/2024 - 1.0 mag, 6.3mi depth 95.367 mi from Los Angeles, CA
3/27/2024 - 0.7 mag, 7.3mi depth 95.375 mi from Los Angeles, CA
3/27/2024 - 0.8 mag, 7.3mi depth 95.4263 mi from Los Angeles, CA
3/24/2024 - 1.0 mag, 5.4mi depth 96.2177 mi from Los Angeles, CA
3/23/2024 - 1.3 mag, 13.9mi depth 1.34784 mi from Ramona, CA
3/22/2024 - 0.4 mag, 9.6mi depth 99.5721 mi from Los Angeles, CA
3/22/2024 - 1.1 mag, 3.8mi depth 1.00063 mi from Rancho San Diego, CA
3/21/2024 - 1.5 mag, 1.9mi depth 3.13371 mi from Ramona, CA
3/21/2024 - 1.8 mag, 16.6mi depth 99.7939 mi from Los Angeles, CA
3/20/2024 - 0.8 mag, 9.6mi depth 2.14431 mi from Poway, CA
3/19/2024 - 1.4 mag, -0.3mi depth 2.10368 mi from Rancho San Diego, CA
3/18/2024 - 1.5 mag, 13.8mi depth 3.5133 mi from Aguanga, CA
3/18/2024 - 1.5 mag, 5.1mi depth 4.14942 mi from Lakeside, CA
3/16/2024 - 1.0 mag, -0.4mi depth 5.90164 mi from Valley Center, CA
3/15/2024 - 1.6 mag, 13.9mi depth 3.46736 mi from Aguanga, CA
3/15/2024 - 1.4 mag, 2.8mi depth 4.60293 mi from Pala, CA
3/11/2024 - 0.9 mag, 12.5mi depth 5.2145 mi from Julian, CA
3/8/2024 - 0.9 mag, 16.4mi depth 7.59874 mi from Julian, CA
3/2/2024 - 1.2 mag, 2.4mi depth 3.41253 mi from Aguanga, CA
3/1/2024 - 0.4 mag, 5.1mi depth 98.5995 mi from Los Angeles, CA
2/29/2024 - 0.4 mag, 5.8mi depth 99.0895 mi from Los Angeles, CA
2/29/2024 - 1.5 mag, 5.4mi depth 4.26212 mi from Lakeside, CA
2/28/2024 - 0.9 mag, 11.8mi depth 4.45716 mi from Poway, CA
2/28/2024 - 0.5 mag, 4.9mi depth 98.4641 mi from Los Angeles, CA
2/27/2024 - 0.6 mag, 11.1mi depth 101.359 mi from Los Angeles, CA
2/27/2024 - 0.9 mag, 8.6mi depth 4.47294 mi from Aguanga, CA
2/25/2024 - 1.3 mag, 14.0mi depth 95.8792 mi from Los Angeles, CA

3/31/2023 - 4.2 mag, 14.5mi depth 97.1335 mi from Los Angeles, CA
12/4/1991 - 4.2 mag, 15.0mi depth 4.2515 mi from San Diego Country Estates, CA
1/30/2022 - 4.0 mag, 13.7mi depth 98.3917 mi from Los Angeles, CA
9/4/2007 - 4.0 mag, 10.9mi depth 6.2677 mi from La Jolla, CA
3/30/2002 - 3.8 mag, 9.3mi depth 6.71 mi from Santa Ysabel, CA
12/4/2020 - 3.7 mag, 3.1mi depth 4.27655 mi from Aguanga, CA
9/9/2007 - 3.7 mag, 8.5mi depth 4.6559 mi from La Jolla, CA
6/4/1998 - 3.7 mag, 12.8mi depth 0.6705 mi from Aguanga, CA
3/29/2011 - 3.7 mag, 11.3mi depth 8.1509 mi from Warner Springs, CA
5/4/2008 - 3.7 mag, 4.4mi depth 7.7628 mi from Warner Springs, CA
1/13/1997 - 3.6 mag, 13.5mi depth 2.6985 mi from Aguanga, CA
8/22/2013 - 3.6 mag, 7.5mi depth 3.3119 mi from Rainbow, CA
12/6/2020 - 3.6 mag, 8.6mi depth 3.6869 mi from Warner Springs, CA
5/20/2023 - 3.6 mag, 13.4mi depth 97.1165 mi from Los Angeles, CA
10/18/2017 - 3.6 mag, 2.5mi depth 5.8807 mi from Julian, CA
2/25/1973 - 3.5 mag, 8.0mi depth 9.7337 mi from Warner Springs, CA
6/9/1995 - 3.5 mag, 14.0mi depth 10.0236 mi from Pauma Valley, CA
3/13/2005 - 3.5 mag, 13.6mi depth 7.6043 mi from Pauma Valley, CA
3/11/2010 - 3.5 mag, 5.0mi depth 3.5013 mi from Warner Springs, CA
4/21/1988 - 3.4 mag, 6.0mi depth 3.1033 mi from Pala, CA
6/1/2021 - 3.4 mag, 12.7mi depth 2.15915 mi from Aguanga, CA
6/21/1985 - 3.4 mag, 12.0mi depth 9.3936 mi from Carlsbad, CA
4/4/1994 - 3.4 mag, 13.7mi depth 0.79 mi from Aguanga, CA
4/20/1981 - 3.4 mag, 15.0mi depth 4.4389 mi from Warner Springs, CA
4/5/2004 - 3.4 mag, 11.7mi depth 6.9969 mi from Aguanga, CA
8/30/2007 - 3.4 mag, 10.6mi depth 6.0759 mi from La Jolla, CA
5/29/1997 - 3.4 mag, 6.9mi depth 5.0216 mi from Pauma Valley, CA
7/28/1994 - 3.3 mag, 5.1mi depth 6.1354 mi from Aguanga, CA
3/8/1979 - 3.3 mag, 7.0mi depth 8.2727 mi from Aguanga, CA
3/30/2012 - 3.3 mag, 15.1mi depth 5.9289 mi from Pauma Valley, CA
3/31/1977 - 3.3 mag, 3.0mi depth 6.7222 mi from Pauma Valley, CA
1/8/2022 - 3.3 mag, 5.5mi depth 98.2002 mi from Los Angeles, CA
9/28/1981 - 3.3 mag, 9.0mi depth 2.7976 mi from Temecula, CA
12/23/2021 - 3.2 mag, 4.8mi depth 98.4916 mi from Los Angeles, CA
11/20/2019 - 3.2 mag, 15.9mi depth 17.7688 mi from Encinitas, CA
10/17/2017 - 3.2 mag, 2.1mi depth 5.6914 mi from Julian, CA
4/6/1997 - 3.1 mag, 11.7mi depth 5.8915 mi from Aguanga, CA
1/10/2011 - 3.1 mag, 11.1mi depth 8.8523 mi from Warner Springs, CA
4/1/2023 - 3.1 mag, 12.5mi depth 97.1503 mi from Los Angeles, CA
9/7/2007 - 3.1 mag, 7.8mi depth 4.3567 mi from La Jolla, CA
9/15/2017 - 3.1 mag, 10.3mi depth 13.9063 mi from Julian, CA
12/29/1987 - 3.1 mag, 6.0mi depth 1.6051 mi from Murrieta, CA
1/23/2013 - 3.1 mag, 15.4mi depth 13.9648 mi from Del Mar, CA
3/25/1973 - 3.0 mag, 8.0mi depth 6.7222 mi from Pauma Valley, CA
8/31/1982 - 3.0 mag, 4.0mi depth 3.0251 mi from Warner Springs, CA
1/25/2021 - 3.0 mag, 10.5mi depth 20.0844 mi from Carlsbad, CA
4/1/2012 - 3.0 mag, 8.0mi depth 5.0631 mi from Aguanga, CA
9/5/1982 - 3.0 mag, 3.0mi depth 2.5719 mi from Aguanga, CA
10/30/2008 - 3.0 mag, 11.4mi depth 6.8857 mi from La Jolla, CA
10/16/2022 - 3.0 mag, 11.5mi depth 2.03872 mi from Aguanga, CA

View All

Earthquake Probability for San Marcos, CA

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

83.40%

5.1

78.18%

5.2

78.18%

5.2

72.60%

5.3

66.88%

5.4

61.23%

5.5

55.81%

5.6

50.72%

5.7

46.04%

5.8

41.81%

5.9

38.05%

6.0

34.73%

6.1

31.00%

6.2

27.74%

6.3

24.81%

6.4

22.28%

6.5

19.98%

6.6

18.44%

6.7

16.65%

6.8

14.92%

6.9

13.16%

7.0

11.27%

7.1

10.06%

7.2

8.97%

7.3

7.74%

7.4

6.25%

7.5

4.38%

7.6

2.91%

7.7

1.62%

7.8

0.65%

7.9

0.17%

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 Marcos, CA

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

List of Earthquake Incidents for San Marcos, CA

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

04/22/2024

1.6

3.8

4.22

Earthquake Information for San Marcos, California

Earthquake Probability for San Marcos, CA

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

Earthquake Count for San Marcos, CA

List of Earthquake Incidents for San Marcos, CA

Risk Of Natural Disasters In San Marcos, CA

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