Earthquake Information for Grant County, Washington

Grant County, WA has a moderate earthquake risk, with a total of 35 earthquakes since 1931. The USGS database shows that there is a 13.95% chance of a major earthquake within 50km of Grant County, WA within the next 50 years. The largest earthquake within 30 miles of Grant County, WA was a 4.8 Magnitude in 1973.

Risk Level:
Moderate

Total Number of Earthquakes in Grant County since 1931

Probability of A 5.0 Earthquake within next 50 years

13.95%

Most Recent
Largest

1/29/2024 - 1.4 mag, 6.4mi depth 10 mi from Desert Aire, WA
8/20/2023 - 2.5 mag, 6.8mi depth 7 mi from Desert Aire, WA
5/9/2023 - 1.2 mag, 6.4mi depth 7 mi from Desert Aire, WA
8/16/2022 - 1.1 mag, 6.4mi depth 7 mi from Desert Aire, WA
4/27/2022 - 1.6 mag, 4.9mi depth 5 mi from Desert Aire, WA
4/7/2022 - 1.0 mag, 6.9mi depth 7 mi from Desert Aire, WA
4/7/2022 - 1.5 mag, 6.7mi depth 7 mi from Desert Aire, WA
3/13/2022 - 2.3 mag, 5.9mi depth 7 mi from Desert Aire, WA
2/19/2022 - 2.3 mag, 7.1mi depth 7 mi from Desert Aire, WA
11/14/2021 - 2.1 mag, 22.6mi depth 6 mi from Mattawa, WA
5/31/2021 - 1.4 mag, 14.5mi depth 4 mi from Mattawa, WA
3/27/2021 - 2.0 mag, 2.1mi depth 7 mi from Royal City, WA
11/12/2020 - 0.8 mag, 14.0mi depth 6 mi from Royal City, WA
9/16/2020 - 2.3 mag, 14.0mi depth 6 mi from Royal City, WA
9/12/2020 - 2.0 mag, 6.3mi depth 7 mi from Desert Aire, WA
9/6/2020 - 2.0 mag, 24.6mi depth 11 mi from Desert Aire, WA
7/24/2020 - 1.9 mag, 6.4mi depth 7 mi from Desert Aire, WA
7/24/2020 - 1.9 mag, 5.9mi depth 7 mi from Desert Aire, WA
7/24/2020 - 0.6 mag, 6.7mi depth 7 mi from Desert Aire, WA
7/24/2020 - 1.5 mag, 6.9mi depth 7 mi from Desert Aire, WA
6/29/2020 - 2.1 mag, 6.7mi depth 7 mi from Desert Aire, WA
6/23/2020 - 1.1 mag, 20.2mi depth 12 mi from Desert Aire, WA
6/9/2020 - 1.2 mag, 15.5mi depth 19 mi from Desert Aire, WA
6/9/2020 - 1.6 mag, 16.4mi depth 19 mi from Desert Aire, WA
5/19/2020 - 1.5 mag, 6.3mi depth 7 mi from Desert Aire, WA
5/15/2020 - 2.1 mag, 36.4mi depth 9 mi from Royal City, WA
5/11/2020 - 1.5 mag, 6.1mi depth 7 mi from Desert Aire, WA
5/2/2020 - 1.5 mag, 6.7mi depth 7 mi from Desert Aire, WA
5/2/2020 - 1.7 mag, 6.4mi depth 7 mi from Desert Aire, WA
4/9/2020 - 0.5 mag, 8.7mi depth 10 mi from Desert Aire, WA
3/23/2020 - 2.2 mag, 0.8mi depth 8 mi from Royal City, WA
3/23/2020 - 1.8 mag, 5.7mi depth 7 mi from Desert Aire, WA
2/13/2020 - 2.0 mag, 0.5mi depth 8 mi from Royal City, WA
1/15/2020 - 1.5 mag, 6.6mi depth 7 mi from Desert Aire, WA
12/18/2019 - 2.2 mag, 6.9mi depth 7 mi from Desert Aire, WA
12/16/2019 - 2.3 mag, 6.6mi depth 4 mi from Desert Aire, WA
11/30/2019 - 1.8 mag, 7.2mi depth 9 mi from Desert Aire, WA
11/18/2019 - 3.5 mag, 4.2mi depth 16 mi from Coulee Dam, WA
11/3/2019 - 1.9 mag, 6.4mi depth 7 mi from Desert Aire, WA
9/30/2019 - 0.5 mag, 6.1mi depth 7 mi from Desert Aire, WA
9/29/2019 - 0.6 mag, 4.7mi depth 6 mi from Desert Aire, WA
9/29/2019 - 2.5 mag, 6.6mi depth 7 mi from Desert Aire, WA
9/29/2019 - 1.3 mag, 6.5mi depth 7 mi from Desert Aire, WA
9/28/2019 - 1.5 mag, 7.8mi depth 8 mi from Desert Aire, WA
9/11/2019 - 2.7 mag, 1.6mi depth 7 mi from Royal City, WA
7/23/2019 - 0.8 mag, 16.5mi depth 4 mi from Royal City, WA
7/16/2019 - 1.9 mag, 5.7mi depth 7 mi from Desert Aire, WA
7/15/2019 - 1.4 mag, 7.3mi depth 9 mi from Desert Aire, WA
7/13/2019 - 1.8 mag, 6.3mi depth 7 mi from Desert Aire, WA
7/12/2019 - 2.6 mag, 2.6mi depth 7 mi from Royal City, WA
7/5/2019 - 1.7 mag, 9.4mi depth 1 mi from Mattawa, WA
6/16/2019 - 3.2 mag, 1.6mi depth 7 mi from Royal City, WA
5/2/2019 - 0.6 mag, 2.4mi depth 15 mi from Royal City, WA
4/16/2019 - 0.3 mag, 9.5mi depth 16 mi from Mattawa, WA
3/9/2019 - 1.9 mag, 22.0mi depth 18 mi from Desert Aire, WA
3/8/2019 - 1.3 mag, 6.4mi depth 7 mi from Desert Aire, WA
3/2/2019 - 0.1 mag, 6.2mi depth 6 mi from Desert Aire, WA
2/24/2019 - 1.5 mag, 6.9mi depth 7 mi from Desert Aire, WA
2/19/2019 - 1.0 mag, 6.4mi depth 7 mi from Desert Aire, WA
1/17/2019 - 1.8 mag, 7.2mi depth 8 mi from Desert Aire, WA
1/4/2019 - 0.3 mag, 6.5mi depth 7 mi from Desert Aire, WA
1/2/2019 - 1.7 mag, 1.8mi depth 7 mi from Royal City, WA
12/11/2018 - 1.1 mag, 6.5mi depth 8 mi from Desert Aire, WA
11/11/2018 - 0.8 mag, 7.6mi depth 9 mi from Desert Aire, WA
11/2/2018 - 2.4 mag, 18.8mi depth 8 mi from Moses Lake North, WA
8/13/2018 - 1.1 mag, 6.9mi depth 7 mi from Desert Aire, WA
7/13/2018 - 1.8 mag, 7.1mi depth 9 mi from Desert Aire, WA
6/2/2018 - 1.9 mag, 6.3mi depth 7 mi from Desert Aire, WA
6/1/2018 - 2.1 mag, 6.8mi depth 7 mi from Desert Aire, WA
6/1/2018 - 0.7 mag, 6.7mi depth 7 mi from Desert Aire, WA
6/1/2018 - 2.1 mag, 6.1mi depth 7 mi from Desert Aire, WA
6/1/2018 - 0.8 mag, 6.7mi depth 7 mi from Desert Aire, WA
6/1/2018 - 0.9 mag, 6.6mi depth 7 mi from Desert Aire, WA
6/1/2018 - 2.3 mag, 6.8mi depth 7 mi from Desert Aire, WA
5/31/2018 - 1.7 mag, 5.5mi depth 7 mi from Desert Aire, WA
5/19/2018 - 2.2 mag, 6.2mi depth 7 mi from Desert Aire, WA
4/26/2018 - 1.6 mag, 7.6mi depth 9 mi from Desert Aire, WA
4/26/2018 - 1.5 mag, 7.7mi depth 9 mi from Desert Aire, WA
4/26/2018 - 0.9 mag, 7.7mi depth 9 mi from Desert Aire, WA
4/9/2018 - 1.8 mag, 6.3mi depth 7 mi from Desert Aire, WA
2/9/2018 - 2.7 mag, 2.4mi depth 7 mi from Royal City, WA
2/4/2018 - 0.8 mag, 13.3mi depth 7 mi from Royal City, WA
2/3/2018 - 1.6 mag, 6.0mi depth 7 mi from Desert Aire, WA
2/1/2018 - 1.3 mag, 6.3mi depth 6 mi from Desert Aire, WA
1/29/2018 - 1.9 mag, 6.7mi depth 7 mi from Desert Aire, WA
1/26/2018 - 2.1 mag, 6.5mi depth 7 mi from Desert Aire, WA
1/17/2018 - 1.5 mag, 6.6mi depth 7 mi from Desert Aire, WA
1/12/2018 - 2.4 mag, 6.5mi depth 7 mi from Desert Aire, WA
1/12/2018 - 1.7 mag, 5.8mi depth 7 mi from Desert Aire, WA
1/11/2018 - 2.7 mag, 6.3mi depth 7 mi from Desert Aire, WA
1/11/2018 - 2.0 mag, 5.6mi depth 7 mi from Desert Aire, WA
1/11/2018 - 1.3 mag, 6.5mi depth 7 mi from Desert Aire, WA
1/11/2018 - 1.9 mag, 6.5mi depth 7 mi from Desert Aire, WA
1/4/2018 - 1.1 mag, 6.1mi depth 7 mi from Desert Aire, WA
1/1/2018 - 2.0 mag, 6.4mi depth 7 mi from Desert Aire, WA
12/19/2017 - 1.8 mag, 6.2mi depth 7 mi from Desert Aire, WA
12/1/2017 - 2.4 mag, 7.4mi depth 11 mi from Royal City, WA
10/22/2017 - 1.5 mag, 7.1mi depth 8 mi from Desert Aire, WA
7/21/2017 - 1.3 mag, 7.4mi depth 8 mi from Desert Aire, WA
7/21/2017 - 1.9 mag, 7.3mi depth 8 mi from Desert Aire, WA

9/1/2015 - 4.3 mag, 9.7mi depth 23 mi from Coulee Dam, WA
7/9/1988 - 3.7 mag, 0.0mi depth 6 mi from Royal City, WA
11/18/2019 - 3.5 mag, 4.2mi depth 16 mi from Coulee Dam, WA
5/28/1988 - 3.5 mag, 0.0mi depth 11 mi from Royal City, WA
12/22/1990 - 3.4 mag, 3.3mi depth 6 mi from Mattawa, WA
5/11/2001 - 3.3 mag, 11.0mi depth 3 mi from Moses Lake North, WA
11/13/1994 - 3.3 mag, 27.3mi depth 18 mi from Desert Aire, WA
7/14/1988 - 3.3 mag, 1.8mi depth 10 mi from Royal City, WA
11/6/1997 - 3.3 mag, 22.5mi depth 15 mi from Desert Aire, WA
4/22/1990 - 3.3 mag, 21.9mi depth 14 mi from Desert Aire, WA
3/16/2000 - 3.2 mag, 1.7mi depth 1 mi from Coulee City, WA
10/17/2015 - 3.2 mag, 0.0mi depth 23 mi from Coulee Dam, WA
3/25/2010 - 3.2 mag, 9.2mi depth 6 mi from Lakeview, WA
6/16/2019 - 3.2 mag, 1.6mi depth 7 mi from Royal City, WA
12/15/1990 - 3.1 mag, 3.4mi depth 6 mi from Mattawa, WA
2/26/1991 - 3.0 mag, 1.5mi depth 2 mi from Mattawa, WA
6/25/1996 - 3.0 mag, 15.2mi depth 8 mi from Ephrata, WA
3/11/2002 - 2.9 mag, 2.2mi depth 7 mi from Royal City, WA
10/22/2002 - 2.9 mag, 2.4mi depth 9 mi from Royal City, WA
4/16/1991 - 2.9 mag, 18.0mi depth 10 mi from Desert Aire, WA
5/31/1988 - 2.9 mag, 0.0mi depth 11 mi from Royal City, WA
6/24/2014 - 2.9 mag, 0.2mi depth 15 mi from Coulee Dam, WA
5/8/2010 - 2.9 mag, 3.0mi depth 6 mi from Royal City, WA
6/28/2010 - 2.8 mag, 2.6mi depth 5 mi from Royal City, WA
4/1/1990 - 2.8 mag, 7.7mi depth 9 mi from Hartline, WA
2/9/2018 - 2.7 mag, 2.4mi depth 7 mi from Royal City, WA
9/11/2019 - 2.7 mag, 1.6mi depth 7 mi from Royal City, WA
7/27/2006 - 2.7 mag, 0.8mi depth 1 mi from Electric City, WA
3/17/1989 - 2.7 mag, 1.5mi depth 6 mi from Royal City, WA
1/11/2018 - 2.7 mag, 6.3mi depth 7 mi from Desert Aire, WA
11/9/1997 - 2.7 mag, 21.5mi depth 15 mi from Desert Aire, WA
4/13/2009 - 2.6 mag, 14.4mi depth 5 mi from Cascade Valley, WA
3/8/1994 - 2.6 mag, 1.5mi depth 11 mi from Desert Aire, WA
3/12/2015 - 2.6 mag, 7.3mi depth 12 mi from Desert Aire, WA
7/12/2019 - 2.6 mag, 2.6mi depth 7 mi from Royal City, WA
10/10/1984 - 2.5 mag, 8.0mi depth 3 mi from Electric City, WA
10/1/1985 - 2.5 mag, 1.0mi depth 8 mi from Mattawa, WA
10/1/1985 - 2.5 mag, 1.7mi depth 8 mi from Mattawa, WA
8/20/2023 - 2.5 mag, 6.8mi depth 7 mi from Desert Aire, WA
1/24/1992 - 2.5 mag, 9.5mi depth 14 mi from Moses Lake, WA
6/10/2009 - 2.5 mag, 0.0mi depth 14 mi from Royal City, WA
9/29/2019 - 2.5 mag, 6.6mi depth 7 mi from Desert Aire, WA
7/10/2014 - 2.5 mag, 11.0mi depth 27 mi from Moses Lake North, WA
1/12/2018 - 2.4 mag, 6.5mi depth 7 mi from Desert Aire, WA
12/1/2017 - 2.4 mag, 7.4mi depth 11 mi from Royal City, WA
11/2/2018 - 2.4 mag, 18.8mi depth 8 mi from Moses Lake North, WA
9/27/2016 - 2.4 mag, 6.4mi depth 7 mi from Desert Aire, WA
12/16/2019 - 2.3 mag, 6.6mi depth 4 mi from Desert Aire, WA
9/16/2020 - 2.3 mag, 14.0mi depth 6 mi from Royal City, WA
3/10/2015 - 2.3 mag, 0.0mi depth 3 mi from Royal City, WA
2/19/2022 - 2.3 mag, 7.1mi depth 7 mi from Desert Aire, WA
3/13/2022 - 2.3 mag, 5.9mi depth 7 mi from Desert Aire, WA
6/1/2018 - 2.3 mag, 6.8mi depth 7 mi from Desert Aire, WA
12/18/2019 - 2.2 mag, 6.9mi depth 7 mi from Desert Aire, WA
5/19/2018 - 2.2 mag, 6.2mi depth 7 mi from Desert Aire, WA
3/23/2020 - 2.2 mag, 0.8mi depth 8 mi from Royal City, WA
6/1/2018 - 2.1 mag, 6.8mi depth 7 mi from Desert Aire, WA
5/15/2020 - 2.1 mag, 36.4mi depth 9 mi from Royal City, WA
9/24/2015 - 2.1 mag, 8.1mi depth 23 mi from Coulee Dam, WA
1/26/2018 - 2.1 mag, 6.5mi depth 7 mi from Desert Aire, WA
6/29/2020 - 2.1 mag, 6.7mi depth 7 mi from Desert Aire, WA
6/1/2018 - 2.1 mag, 6.1mi depth 7 mi from Desert Aire, WA
11/14/2021 - 2.1 mag, 22.6mi depth 6 mi from Mattawa, WA
5/23/2016 - 2.0 mag, 5.8mi depth 7 mi from Desert Aire, WA
9/6/2020 - 2.0 mag, 24.6mi depth 11 mi from Desert Aire, WA
9/12/2020 - 2.0 mag, 6.3mi depth 7 mi from Desert Aire, WA
1/6/2015 - 2.0 mag, 4.0mi depth 10 mi from Soap Lake, WA
3/27/2021 - 2.0 mag, 2.1mi depth 7 mi from Royal City, WA
2/13/2020 - 2.0 mag, 0.5mi depth 8 mi from Royal City, WA
5/22/2013 - 2.0 mag, 0.0mi depth 10 mi from Banks Lake South, WA
6/11/2014 - 2.0 mag, 2.7mi depth 8 mi from Royal City, WA
1/1/2018 - 2.0 mag, 6.4mi depth 7 mi from Desert Aire, WA
1/11/2018 - 2.0 mag, 5.6mi depth 7 mi from Desert Aire, WA
7/21/2017 - 1.9 mag, 7.3mi depth 8 mi from Desert Aire, WA
1/11/2018 - 1.9 mag, 6.5mi depth 7 mi from Desert Aire, WA
7/16/2019 - 1.9 mag, 5.7mi depth 7 mi from Desert Aire, WA
6/2/2018 - 1.9 mag, 6.3mi depth 7 mi from Desert Aire, WA
9/2/2013 - 1.9 mag, 5.0mi depth 8 mi from Cascade Valley, WA
2/8/2014 - 1.9 mag, 8.6mi depth 9 mi from Desert Aire, WA
7/11/2016 - 1.9 mag, 6.4mi depth 7 mi from Desert Aire, WA
3/9/2019 - 1.9 mag, 22.0mi depth 18 mi from Desert Aire, WA
1/29/2018 - 1.9 mag, 6.7mi depth 7 mi from Desert Aire, WA
7/24/2020 - 1.9 mag, 6.4mi depth 7 mi from Desert Aire, WA
10/11/2015 - 1.9 mag, 6.9mi depth 7 mi from Desert Aire, WA
7/24/2020 - 1.9 mag, 5.9mi depth 7 mi from Desert Aire, WA
11/3/2019 - 1.9 mag, 6.4mi depth 7 mi from Desert Aire, WA
7/13/2019 - 1.8 mag, 6.3mi depth 7 mi from Desert Aire, WA
4/9/2018 - 1.8 mag, 6.3mi depth 7 mi from Desert Aire, WA
11/30/2019 - 1.8 mag, 7.2mi depth 9 mi from Desert Aire, WA
2/5/2014 - 1.8 mag, 0.0mi depth 17 mi from Coulee Dam, WA
9/17/2014 - 1.8 mag, 3.3mi depth 11 mi from Desert Aire, WA
7/21/2017 - 1.8 mag, 7.5mi depth 8 mi from Desert Aire, WA
7/28/2014 - 1.8 mag, 3.7mi depth 7 mi from Desert Aire, WA
7/13/2018 - 1.8 mag, 7.1mi depth 9 mi from Desert Aire, WA
4/16/2013 - 1.8 mag, 0.0mi depth 8 mi from Royal City, WA
2/11/2014 - 1.8 mag, 0.0mi depth 13 mi from Coulee Dam, WA
7/18/2017 - 1.8 mag, -0.5mi depth 7 mi from Desert Aire, WA
12/19/2017 - 1.8 mag, 6.2mi depth 7 mi from Desert Aire, WA
3/23/2020 - 1.8 mag, 5.7mi depth 7 mi from Desert Aire, WA
5/31/2015 - 1.8 mag, 7.0mi depth 8 mi from Desert Aire, WA

View All

Earthquake Probability for Grant County, WA

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

13.95%

5.1

11.79%

5.2

11.79%

5.2

9.95%

5.3

8.39%

5.4

7.07%

5.5

5.96%

5.6

5.03%

5.7

4.24%

5.8

3.59%

5.9

3.04%

6.0

2.58%

6.1

2.15%

6.2

1.80%

6.3

1.49%

6.4

1.24%

6.5

1.01%

6.6

0.78%

6.7

0.58%

6.8

0.40%

6.9

0.25%

7.0

0.11%

7.1

0.08%

7.2

0.05%

7.3

0.03%

7.4

0.02%

7.5

0.01%

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 Grant County, WA

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

List of Earthquake Incidents for Grant County, WA

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

Date

Magnitude

Depth

01/29/2024

1.4

6.4

Earthquake Information for Grant County, Washington

Earthquake Probability for Grant County, WA

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

Earthquake Count for Grant County, WA

List of Earthquake Incidents for Grant County, WA

Risk Of Natural Disasters In Grant County, WA

Related Pages

Washington Earthquakes by City