Earthquake Information for Jefferson County, Washington

Jefferson County, WA has a very high earthquake risk, with a total of 40 earthquakes since 1931. The USGS database shows that there is a 81.04% chance of a major earthquake within 50km of Jefferson County, WA within the next 50 years. The largest earthquake within 30 miles of Jefferson County, WA was a 4.6 Magnitude in 1989.

Risk Level:
Very High

Total Number of Earthquakes in Jefferson County since 1931

Probability of A 5.0 Earthquake within next 50 years

81.04%

Most Recent
Largest

4/18/2024 - 0.7 mag, 19.9mi depth 5 mi from Quilcene, WA
3/27/2024 - 1.8 mag, 0.0mi depth 2 mi from Port Ludlow, WA
3/24/2024 - 2.8 mag, 60.1mi depth 3 mi from Port Townsend, WA
3/10/2024 - 1.8 mag, 22.7mi depth 4 mi from Quilcene, WA
2/16/2024 - 3.6 mag, 46.2mi depth 10 mi from Brinnon, WA
1/19/2024 - 1.7 mag, 0.0mi depth 3 mi from Port Ludlow, WA
1/15/2024 - 2.3 mag, 46.5mi depth 13 mi from Quilcene, WA
12/24/2023 - 4.0 mag, 51.9mi depth 3 mi from Quilcene, WA
10/8/2023 - 4.5 mag, 55.7mi depth 2 mi from Marrowstone, WA
9/11/2023 - 1.6 mag, 0.0mi depth 3 mi from Port Ludlow, WA
7/21/2023 - 2.4 mag, 46.6mi depth 6 mi from Brinnon, WA
5/16/2023 - 1.8 mag, 1.7mi depth 2 mi from Port Ludlow, WA
2/7/2023 - 2.0 mag, 14.0mi depth 7 mi from Quilcene, WA
6/24/2022 - 2.6 mag, 32.3mi depth 3 mi from Quilcene, WA
4/11/2022 - 2.3 mag, 47.3mi depth 5 mi from Brinnon, WA
7/31/2021 - 2.4 mag, 26.8mi depth 6 mi from Port Townsend, WA
6/30/2021 - 2.3 mag, 41.6mi depth 10 mi from Quilcene, WA
6/4/2021 - 1.0 mag, 15.5mi depth 0 mi from Quilcene, WA
9/4/2020 - 2.8 mag, 17.8mi depth 7 mi from Quilcene, WA
7/10/2020 - 0.7 mag, 20.4mi depth 5 mi from Quilcene, WA
5/29/2020 - 1.5 mag, 16.4mi depth 6 mi from Quilcene, WA
11/21/2019 - 1.1 mag, 49.8mi depth 2 mi from Port Townsend, WA
5/12/2019 - 2.4 mag, 19.9mi depth 2 mi from Port Townsend, WA
1/7/2019 - 1.5 mag, 3.8mi depth 6 mi from Port Ludlow, WA
10/16/2018 - 2.6 mag, 23.7mi depth 4 mi from Port Townsend, WA
7/11/2018 - 1.9 mag, -0.1mi depth 2 mi from Port Ludlow, WA
5/17/2018 - 1.2 mag, 2.8mi depth 3 mi from Port Ludlow, WA
3/20/2018 - 2.2 mag, 22.4mi depth 2 mi from Port Townsend, WA
3/12/2018 - 1.6 mag, 2.3mi depth 3 mi from Port Ludlow, WA
10/21/2017 - 2.4 mag, 48.4mi depth 7 mi from Port Townsend, WA
10/1/2017 - 3.3 mag, 51.5mi depth 8 mi from Port Ludlow, WA
8/19/2017 - 2.6 mag, 24.7mi depth 5 mi from Port Townsend, WA
4/28/2017 - 2.1 mag, -0.3mi depth 4 mi from Port Ludlow, WA
4/19/2017 - 3.1 mag, 23.1mi depth 4 mi from Port Townsend, WA
1/14/2017 - 1.8 mag, 23.4mi depth 2 mi from Port Townsend, WA
11/7/2016 - 2.6 mag, 19.3mi depth 2 mi from Port Townsend, WA
10/3/2016 - 1.0 mag, -0.5mi depth 4 mi from Port Ludlow, WA
2/27/2016 - 2.4 mag, 19.4mi depth 3 mi from Port Townsend, WA
6/11/2015 - 1.7 mag, 23.1mi depth 3 mi from Port Ludlow, WA
2/18/2015 - 0.9 mag, 27.7mi depth 6 mi from Port Townsend, WA
10/5/2014 - 0.9 mag, 24.4mi depth 8 mi from Port Ludlow, WA
10/3/2014 - 2.1 mag, 21.7mi depth 9 mi from Port Ludlow, WA
5/14/2014 - 1.0 mag, 41.3mi depth 18 mi from Port Townsend, WA
4/25/2014 - 0.5 mag, 4.9mi depth 8 mi from Quilcene, WA
4/24/2014 - 0.2 mag, 5.0mi depth 9 mi from Quilcene, WA
4/19/2014 - 0.3 mag, 14.5mi depth 4 mi from Brinnon, WA
4/19/2014 - 0.3 mag, 16.7mi depth 4 mi from Brinnon, WA
4/19/2014 - 0.3 mag, 13.9mi depth 3 mi from Brinnon, WA
4/19/2014 - 0.6 mag, 13.6mi depth 4 mi from Brinnon, WA
4/18/2014 - 1.9 mag, 48.0mi depth 4 mi from Port Townsend, WA
4/18/2014 - 0.5 mag, 14.9mi depth 4 mi from Brinnon, WA
4/15/2014 - 0.2 mag, 4.9mi depth 7 mi from Quilcene, WA
4/15/2014 - 0.5 mag, 5.1mi depth 12 mi from Quilcene, WA
4/13/2014 - 1.9 mag, 19.3mi depth 5 mi from Quilcene, WA
4/5/2014 - 2.0 mag, 20.2mi depth 6 mi from Quilcene, WA
3/21/2014 - 2.2 mag, 48.0mi depth 10 mi from Port Townsend, WA
3/19/2014 - 0.7 mag, 15.7mi depth 2 mi from Port Ludlow, WA
3/17/2014 - 0.8 mag, 17.8mi depth 8 mi from Port Ludlow, WA
2/26/2014 - 1.1 mag, 0.0mi depth 3 mi from Port Ludlow, WA
2/24/2014 - 0.9 mag, 20.6mi depth 4 mi from Port Townsend, WA
2/10/2014 - 1.0 mag, 21.8mi depth 5 mi from Port Hadlock Irondale, WA
12/16/2013 - 0.8 mag, 18.8mi depth 5 mi from Port Ludlow, WA
11/30/2013 - 1.0 mag, 21.7mi depth 3 mi from Port Hadlock Irondale, WA
11/10/2013 - 0.2 mag, 4.9mi depth 11 mi from Quilcene, WA
11/5/2013 - 0.6 mag, 11.5mi depth 3 mi from Quilcene, WA
11/3/2013 - 0.3 mag, 15.9mi depth 6 mi from Brinnon, WA
10/25/2013 - -0.2 mag, 13.5mi depth 5 mi from Brinnon, WA
10/9/2013 - 0.8 mag, 12.8mi depth 3 mi from Port Ludlow, WA
10/4/2013 - 1.5 mag, 0.0mi depth 3 mi from Port Ludlow, WA
10/2/2013 - 2.2 mag, 50.9mi depth 1 mi from Port Townsend, WA
10/2/2013 - 2.5 mag, 56.3mi depth 2 mi from Marrowstone, WA
9/15/2013 - 0.1 mag, 4.9mi depth 8 mi from Quilcene, WA
9/12/2013 - 2.0 mag, 27.1mi depth 4 mi from Port Townsend, WA
9/10/2013 - 0.5 mag, 4.9mi depth 8 mi from Quilcene, WA
9/10/2013 - 1.4 mag, 22.6mi depth 1 mi from Port Ludlow, WA
9/2/2013 - 0.8 mag, 19.5mi depth 5 mi from Port Ludlow, WA
8/20/2013 - 0.7 mag, 18.8mi depth 4 mi from Quilcene, WA
8/20/2013 - 0.6 mag, 18.2mi depth 4 mi from Quilcene, WA
8/20/2013 - 0.5 mag, 18.7mi depth 4 mi from Quilcene, WA
8/19/2013 - 0.6 mag, 12.3mi depth 1 mi from Quilcene, WA
8/15/2013 - 0.6 mag, 13.5mi depth 0 mi from Brinnon, WA
8/14/2013 - 0.2 mag, 12.1mi depth 1 mi from Quilcene, WA
8/14/2013 - 0.5 mag, 14.2mi depth 3 mi from Quilcene, WA
8/13/2013 - 0.7 mag, 11.5mi depth 3 mi from Port Ludlow, WA
8/12/2013 - 2.8 mag, 41.0mi depth 15 mi from Quilcene, WA
8/12/2013 - 0.1 mag, 12.1mi depth 2 mi from Brinnon, WA
8/12/2013 - 0.6 mag, 18.6mi depth 5 mi from Quilcene, WA
8/11/2013 - 0.6 mag, 12.1mi depth 1 mi from Quilcene, WA
8/10/2013 - 0.4 mag, 17.6mi depth 4 mi from Quilcene, WA
8/8/2013 - 0.5 mag, 13.3mi depth 3 mi from Quilcene, WA
8/7/2013 - 0.4 mag, 12.5mi depth 3 mi from Quilcene, WA
8/5/2013 - 1.1 mag, 0.0mi depth 2 mi from Port Ludlow, WA
8/5/2013 - 0.0 mag, 16.1mi depth 7 mi from Brinnon, WA
8/4/2013 - 0.9 mag, 6.9mi depth 3 mi from Quilcene, WA
7/29/2013 - 0.4 mag, 17.7mi depth 5 mi from Quilcene, WA
7/27/2013 - 0.3 mag, 19.1mi depth 6 mi from Brinnon, WA
7/26/2013 - 0.8 mag, 19.1mi depth 6 mi from Quilcene, WA
7/26/2013 - 0.9 mag, 20.0mi depth 5 mi from Quilcene, WA
7/24/2013 - 0.1 mag, 15.2mi depth 1 mi from Brinnon, WA
6/17/2013 - 0.5 mag, 17.3mi depth 3 mi from Quilcene, WA

4/25/2003 - 4.6 mag, 51.3mi depth 16 mi from Brinnon, WA
10/8/2023 - 4.5 mag, 55.7mi depth 2 mi from Marrowstone, WA
8/28/1983 - 4.2 mag, 51.3mi depth 7 mi from Quilcene, WA
12/24/2023 - 4.0 mag, 51.9mi depth 3 mi from Quilcene, WA
11/27/2007 - 4.0 mag, 52.8mi depth 5 mi from Brinnon, WA
7/31/2008 - 4.0 mag, 55.9mi depth 3 mi from Port Townsend, WA
7/24/2011 - 3.8 mag, 42.3mi depth 12 mi from Brinnon, WA
5/16/1974 - 3.8 mag, 54.0mi depth 6 mi from Port Townsend, WA
11/26/1997 - 3.7 mag, 46.5mi depth 8 mi from Quilcene, WA
10/15/2000 - 3.6 mag, 48.6mi depth 5 mi from Quilcene, WA
2/16/2024 - 3.6 mag, 46.2mi depth 10 mi from Brinnon, WA
9/24/1996 - 3.5 mag, 48.0mi depth 4 mi from Brinnon, WA
9/29/1996 - 3.5 mag, 56.0mi depth 1 mi from Marrowstone, WA
10/1/2017 - 3.3 mag, 51.5mi depth 8 mi from Port Ludlow, WA
3/22/2013 - 3.2 mag, 41.2mi depth 14 mi from Quilcene, WA
1/26/2007 - 3.2 mag, 46.6mi depth 6 mi from Quilcene, WA
7/25/1977 - 3.2 mag, 55.0mi depth 4 mi from Port Hadlock Irondale, WA
8/19/1999 - 3.1 mag, 46.7mi depth 12 mi from Brinnon, WA
4/19/2017 - 3.1 mag, 23.1mi depth 4 mi from Port Townsend, WA
1/11/1985 - 3.1 mag, 19.7mi depth 5 mi from Quilcene, WA
6/20/1994 - 3.0 mag, 48.5mi depth 11 mi from Quilcene, WA
4/25/2003 - 2.9 mag, 49.6mi depth 15 mi from Brinnon, WA
6/28/1993 - 2.9 mag, 46.0mi depth 5 mi from Brinnon, WA
9/13/2005 - 2.9 mag, 49.0mi depth 2 mi from Quilcene, WA
3/14/2012 - 2.8 mag, 56.6mi depth 2 mi from Marrowstone, WA
9/4/2020 - 2.8 mag, 17.8mi depth 7 mi from Quilcene, WA
9/20/1987 - 2.8 mag, 21.5mi depth 2 mi from Port Townsend, WA
4/5/2000 - 2.8 mag, 46.7mi depth 13 mi from Brinnon, WA
3/24/2024 - 2.8 mag, 60.1mi depth 3 mi from Port Townsend, WA
8/12/2013 - 2.8 mag, 41.0mi depth 15 mi from Quilcene, WA
8/6/1987 - 2.7 mag, 22.4mi depth 1 mi from Port Townsend, WA
9/4/1989 - 2.7 mag, 17.5mi depth 3 mi from Port Ludlow, WA
10/15/2000 - 2.7 mag, 56.1mi depth 6 mi from Port Townsend, WA
12/22/1990 - 2.7 mag, 53.3mi depth 4 mi from Port Townsend, WA
11/21/1990 - 2.6 mag, 16.0mi depth 3 mi from Port Hadlock Irondale, WA
6/15/1993 - 2.6 mag, 51.1mi depth 4 mi from Port Townsend, WA
11/7/2016 - 2.6 mag, 19.3mi depth 2 mi from Port Townsend, WA
10/16/2018 - 2.6 mag, 23.7mi depth 4 mi from Port Townsend, WA
6/24/2022 - 2.6 mag, 32.3mi depth 3 mi from Quilcene, WA
8/19/2017 - 2.6 mag, 24.7mi depth 5 mi from Port Townsend, WA
10/2/2013 - 2.5 mag, 56.3mi depth 2 mi from Marrowstone, WA
10/21/2017 - 2.4 mag, 48.4mi depth 7 mi from Port Townsend, WA
3/15/2012 - 2.4 mag, 52.9mi depth 3 mi from Quilcene, WA
2/27/2016 - 2.4 mag, 19.4mi depth 3 mi from Port Townsend, WA
7/31/2021 - 2.4 mag, 26.8mi depth 6 mi from Port Townsend, WA
5/12/2019 - 2.4 mag, 19.9mi depth 2 mi from Port Townsend, WA
7/21/2023 - 2.4 mag, 46.6mi depth 6 mi from Brinnon, WA
1/15/2024 - 2.3 mag, 46.5mi depth 13 mi from Quilcene, WA
6/30/2021 - 2.3 mag, 41.6mi depth 10 mi from Quilcene, WA
4/11/2022 - 2.3 mag, 47.3mi depth 5 mi from Brinnon, WA
10/2/2013 - 2.2 mag, 50.9mi depth 1 mi from Port Townsend, WA
3/20/2018 - 2.2 mag, 22.4mi depth 2 mi from Port Townsend, WA
3/21/2014 - 2.2 mag, 48.0mi depth 10 mi from Port Townsend, WA
10/3/2014 - 2.1 mag, 21.7mi depth 9 mi from Port Ludlow, WA
4/28/2017 - 2.1 mag, -0.3mi depth 4 mi from Port Ludlow, WA
9/12/2013 - 2.0 mag, 27.1mi depth 4 mi from Port Townsend, WA
2/7/2023 - 2.0 mag, 14.0mi depth 7 mi from Quilcene, WA
4/5/2014 - 2.0 mag, 20.2mi depth 6 mi from Quilcene, WA
4/18/2014 - 1.9 mag, 48.0mi depth 4 mi from Port Townsend, WA
7/11/2018 - 1.9 mag, -0.1mi depth 2 mi from Port Ludlow, WA
4/13/2014 - 1.9 mag, 19.3mi depth 5 mi from Quilcene, WA
3/10/2024 - 1.8 mag, 22.7mi depth 4 mi from Quilcene, WA
1/14/2017 - 1.8 mag, 23.4mi depth 2 mi from Port Townsend, WA
3/27/2024 - 1.8 mag, 0.0mi depth 2 mi from Port Ludlow, WA
5/16/2023 - 1.8 mag, 1.7mi depth 2 mi from Port Ludlow, WA
6/4/2013 - 1.7 mag, 42.2mi depth 7 mi from Brinnon, WA
6/11/2015 - 1.7 mag, 23.1mi depth 3 mi from Port Ludlow, WA
1/19/2024 - 1.7 mag, 0.0mi depth 3 mi from Port Ludlow, WA
9/11/2023 - 1.6 mag, 0.0mi depth 3 mi from Port Ludlow, WA
3/12/2018 - 1.6 mag, 2.3mi depth 3 mi from Port Ludlow, WA
6/16/2013 - 1.6 mag, 21.5mi depth 5 mi from Port Hadlock Irondale, WA
10/4/2013 - 1.5 mag, 0.0mi depth 3 mi from Port Ludlow, WA
1/7/2019 - 1.5 mag, 3.8mi depth 6 mi from Port Ludlow, WA
5/29/2020 - 1.5 mag, 16.4mi depth 6 mi from Quilcene, WA
9/10/2013 - 1.4 mag, 22.6mi depth 1 mi from Port Ludlow, WA
5/17/2018 - 1.2 mag, 2.8mi depth 3 mi from Port Ludlow, WA
2/22/2013 - 1.2 mag, 17.0mi depth 6 mi from Brinnon, WA
3/16/2013 - 1.1 mag, 27.5mi depth 3 mi from Marrowstone, WA
8/5/2013 - 1.1 mag, 0.0mi depth 2 mi from Port Ludlow, WA
2/12/2013 - 1.1 mag, 15.4mi depth 1 mi from Port Hadlock Irondale, WA
2/12/2013 - 1.1 mag, 17.0mi depth 1 mi from Port Hadlock Irondale, WA
2/26/2014 - 1.1 mag, 0.0mi depth 3 mi from Port Ludlow, WA
4/28/2013 - 1.1 mag, 26.6mi depth 4 mi from Port Townsend, WA
11/21/2019 - 1.1 mag, 49.8mi depth 2 mi from Port Townsend, WA
11/30/2013 - 1.0 mag, 21.7mi depth 3 mi from Port Hadlock Irondale, WA
2/10/2014 - 1.0 mag, 21.8mi depth 5 mi from Port Hadlock Irondale, WA
6/4/2021 - 1.0 mag, 15.5mi depth 0 mi from Quilcene, WA
10/3/2016 - 1.0 mag, -0.5mi depth 4 mi from Port Ludlow, WA
5/14/2014 - 1.0 mag, 41.3mi depth 18 mi from Port Townsend, WA
10/5/2014 - 0.9 mag, 24.4mi depth 8 mi from Port Ludlow, WA
8/4/2013 - 0.9 mag, 6.9mi depth 3 mi from Quilcene, WA
2/18/2015 - 0.9 mag, 27.7mi depth 6 mi from Port Townsend, WA
2/24/2014 - 0.9 mag, 20.6mi depth 4 mi from Port Townsend, WA
7/26/2013 - 0.9 mag, 20.0mi depth 5 mi from Quilcene, WA
12/16/2013 - 0.8 mag, 18.8mi depth 5 mi from Port Ludlow, WA
6/10/2013 - 0.8 mag, 12.7mi depth 1 mi from Quilcene, WA
3/17/2014 - 0.8 mag, 17.8mi depth 8 mi from Port Ludlow, WA
10/9/2013 - 0.8 mag, 12.8mi depth 3 mi from Port Ludlow, WA
7/26/2013 - 0.8 mag, 19.1mi depth 6 mi from Quilcene, WA
9/2/2013 - 0.8 mag, 19.5mi depth 5 mi from Port Ludlow, WA

View All

Earthquake Probability for Jefferson County, WA

View the probability of a major earthquake within the next 50 years in Jefferson County, WA.

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

81.04%

5.1

77.40%

5.2

77.40%

5.2

73.63%

5.3

69.81%

5.4

65.98%

5.5

62.21%

5.6

58.52%

5.7

54.95%

5.8

51.53%

5.9

48.26%

6.0

45.17%

6.1

41.88%

6.2

38.76%

6.3

35.67%

6.4

32.75%

6.5

29.87%

6.6

26.12%

6.7

23.22%

6.8

19.87%

6.9

17.12%

7.0

14.52%

7.1

12.11%

7.2

9.80%

7.3

9.64%

7.4

9.64%

7.5

9.64%

7.6

9.64%

7.7

9.64%

7.8

9.64%

7.9

9.64%

8.0

9.64%

8.1

9.30%

8.2

8.96%

8.3

8.62%

8.4

7.95%

8.5

7.34%

8.6

6.78%

8.7

6.25%

8.8

5.72%

8.9

4.60%

9.0

4.60%

9.1

1.17%

9.2

1.17%

Earthquake Count for Jefferson County, WA

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

List of Earthquake Incidents for Jefferson County, WA

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

Date

Magnitude

Depth

04/18/2024

0.7

19.9

Earthquake Information for Jefferson County, Washington

Earthquake Probability for Jefferson County, WA

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

Earthquake Count for Jefferson County, WA

List of Earthquake Incidents for Jefferson County, WA

Risk Of Natural Disasters In Jefferson County, WA

Related Pages

Washington Earthquakes by City