Earthquake Information for Grass Valley, California

Grass Valley, CA has a high earthquake risk, with a total of 93 earthquakes since 1931. The USGS database shows that there is a 57.58% chance of a major earthquake within 50km of Grass Valley, CA within the next 50 years. The largest earthquake within 30 miles of Grass Valley, CA was a 5.7 Magnitude in 1975.

Risk Level:
High

Total Number of Earthquakes in Grass Valley since 1931 within 30 miles

Probability of A 5.0 Earthquake within next 50 years

57.58%

Most Recent
Largest

10/17/2023 - 1.6 mag, 0.0mi depth 10.1029 mi from Kingvale, CA
7/20/2023 - 3.0 mag, 0.7mi depth 2.81039 mi from Palermo, CA
12/3/2022 - 1.8 mag, 3.9mi depth 5.09606 mi from Wheatland, CA
7/29/2022 - 1.4 mag, 11.2mi depth 8.15075 mi from Graniteville, CA
7/22/2022 - 4.3 mag, 0.4mi depth 3.62872 mi from Oroville East, CA
8/30/2021 - 2.0 mag, 9.9mi depth 1.70755 mi from Lake Wildwood, CA
4/25/2021 - 2.0 mag, 27.8mi depth 16.5196 mi from Whitehawk, CA
2/13/2021 - 2.7 mag, 1.1mi depth 2.50352 mi from Loma Rica, CA
8/11/2020 - 2.4 mag, 13.4mi depth 4.6097 mi from Loma Rica, CA
7/1/2020 - 2.6 mag, 21.7mi depth 4.38264 mi from Penn Valley, CA
5/2/2020 - 2.0 mag, 14.1mi depth 5.94059 mi from Loma Rica, CA
11/7/2019 - 2.1 mag, 4.3mi depth 2.15626 mi from Palermo, CA
9/21/2019 - 2.4 mag, 8.9mi depth 9.20656 mi from La Porte, CA
2/11/2018 - 1.6 mag, 18.4mi depth 4.35694 mi from Palermo, CA
11/22/2017 - 1.4 mag, 6.2mi depth 17.4095 mi from Downieville, CA
9/8/2017 - 1.6 mag, 15.6mi depth 2.76851 mi from Oroville East, CA
8/2/2017 - 1.5 mag, 9.7mi depth 1.74563 mi from Palermo, CA
6/27/2017 - 1.3 mag, 23.8mi depth 2.80059 mi from Palermo, CA
6/15/2017 - 1.6 mag, 10.5mi depth 10.4223 mi from Downieville, CA
5/1/2017 - 1.1 mag, 1.5mi depth 9.77122 mi from Downieville, CA
8/2/2016 - 1.4 mag, 0.0mi depth 4.59533 mi from Nevada City, CA
6/15/2016 - 2.1 mag, 1.8mi depth 0.639821 mi from Marysville, CA
5/23/2016 - 0.8 mag, 7.4mi depth 19.0068 mi from Downieville, CA
5/22/2016 - 1.0 mag, 6.3mi depth 18.1597 mi from Downieville, CA
3/15/2016 - 1.3 mag, 7.6mi depth 16.9612 mi from Downieville, CA
9/8/2015 - 2.7 mag, 17.6mi depth 5.3848 mi from Penn Valley, CA
8/6/2015 - 1.7 mag, 0.5mi depth 159.189 mi from Live Oak, CA
4/9/2015 - 1.2 mag, 8.7mi depth 17.2185 mi from Downieville, CA
12/19/2014 - 1.8 mag, 0.2mi depth 5.42281 mi from Colfax, CA
7/29/2014 - 1.5 mag, 7.0mi depth 5.54598 mi from Lake Wildwood, CA
6/29/2014 - 1.4 mag, 15.6mi depth 18.8853 mi from Truckee, CA
4/14/2014 - 0.5 mag, 3.8mi depth 5.7347 mi from Graniteville, CA
3/17/2014 - 1.8 mag, 12.7mi depth 4.32487 mi from Clipper Mills, CA
1/20/2014 - 1.0 mag, 4.0mi depth 20.0444 mi from Foresthill, CA
1/14/2014 - 2.0 mag, 0.6mi depth 18.3597 mi from Downieville, CA
1/7/2014 - 0.4 mag, 6.5mi depth 17.9379 mi from Downieville, CA
12/20/2013 - 1.9 mag, 5.9mi depth 2.88069 mi from Palermo, CA
11/21/2013 - 0.8 mag, 0.3mi depth 17.787 mi from Downieville, CA
11/13/2013 - 0.3 mag, 0.0mi depth 18.5753 mi from Truckee, CA
11/7/2013 - 0.6 mag, 14.2mi depth 3.94 mi from La Porte, CA
11/2/2013 - 0.1 mag, 0.0mi depth 9.4626 mi from Alta, CA
10/26/2013 - 0.4 mag, 0.0mi depth 8.7529 mi from Kingvale, CA
10/26/2013 - 0.5 mag, 0.0mi depth 8.9576 mi from Kingvale, CA
8/13/2013 - 2.1 mag, 0.0mi depth 3.1056 mi from Auburn Lake Trails, CA
5/29/2013 - 2.7 mag, 4.8mi depth 3.6729 mi from Graniteville, CA
5/29/2013 - 1.9 mag, 0.0mi depth 2.6632 mi from Auburn Lake Trails, CA
4/5/2013 - 1.9 mag, 0.0mi depth 3.2315 mi from Auburn Lake Trails, CA
3/26/2013 - 1.8 mag, 10.4mi depth 7.1348 mi from La Porte, CA
9/10/2009 - 2.7 mag, 13.5mi depth 2.2034 mi from Challenge Brownsville, CA
2/21/2006 - 2.8 mag, 0.2mi depth 4.7212 mi from Graniteville, CA

8/1/1975 - 5.7 mag, 5.7mi depth 4.0519 mi from Kelly Ridge, CA
8/1/1975 - 5.7 mag, 8.0mi depth 0.6355 mi from Palermo, CA
8/2/1975 - 5.3 mag, 4.0mi depth 3.3451 mi from Palermo, CA
8/1/1975 - 5.3 mag, 8.0mi depth 0.8275 mi from Palermo, CA
8/11/1975 - 4.8 mag, 4.0mi depth 2.4727 mi from Palermo, CA
8/1/1975 - 4.8 mag, 5.0mi depth 0.9068 mi from Palermo, CA
8/2/1975 - 4.6 mag, 6.0mi depth 1.6347 mi from Oroville East, CA
8/3/1975 - 4.5 mag, 7.0mi depth 1.263 mi from Oroville East, CA
7/22/2022 - 4.3 mag, 0.4mi depth 3.62872 mi from Oroville East, CA
8/2/1975 - 4.3 mag, 6.0mi depth 2.6746 mi from Palermo, CA
8/2/1975 - 4.3 mag, 6.0mi depth 1.5902 mi from Oroville East, CA
10/10/1975 - 3.9 mag, 6.0mi depth 1.7833 mi from Oroville East, CA
8/2/1975 - 3.9 mag, 6.0mi depth 1.3166 mi from Oroville East, CA
8/1/1975 - 3.8 mag, 6.0mi depth 1.5442 mi from Oroville East, CA
8/2/1975 - 3.8 mag, 6.0mi depth 3.0372 mi from Palermo, CA
8/1/1975 - 3.8 mag, 7.0mi depth 1.4025 mi from Palermo, CA
8/2/1975 - 3.7 mag, 6.0mi depth 2.2041 mi from Palermo, CA
8/4/1975 - 3.5 mag, 8.0mi depth 0.6699 mi from Palermo, CA
12/4/1989 - 3.4 mag, 19.0mi depth 3.4073 mi from Dobbins, CA
8/2/1975 - 3.4 mag, 2.0mi depth 1.4151 mi from Oroville East, CA
11/28/1980 - 3.3 mag, 5.0mi depth 5.129 mi from Kingvale, CA
8/5/1975 - 3.3 mag, 7.0mi depth 2.018 mi from Palermo, CA
8/2/1975 - 3.3 mag, 6.0mi depth 2.6157 mi from Palermo, CA
3/29/2000 - 3.2 mag, 12.5mi depth 9.0194 mi from Graniteville, CA
5/4/1977 - 3.2 mag, 7.0mi depth 2.3868 mi from Palermo, CA
8/8/1975 - 3.2 mag, 6.0mi depth 0.2579 mi from Oroville East, CA
8/2/1975 - 3.2 mag, 6.0mi depth 2.3611 mi from Palermo, CA
8/5/1975 - 3.2 mag, 7.0mi depth 1.1633 mi from Palermo, CA
7/23/1978 - 3.1 mag, 5.0mi depth 3.0653 mi from Bangor, CA
8/8/1975 - 3.1 mag, 6.0mi depth 3.0544 mi from Palermo, CA
8/6/1975 - 3.1 mag, 8.0mi depth 3.5185 mi from Palermo, CA
8/2/1975 - 3.1 mag, 5.0mi depth 1.994 mi from Palermo, CA
1/19/1992 - 3.0 mag, 6.0mi depth 2.3603 mi from Palermo, CA
8/1/1975 - 3.0 mag, 5.0mi depth 1.3021 mi from Palermo, CA
7/20/2023 - 3.0 mag, 0.7mi depth 2.81039 mi from Palermo, CA
8/11/1975 - 3.0 mag, 2.0mi depth 3.2947 mi from Oroville East, CA
8/6/1975 - 3.0 mag, 9.0mi depth 2.1215 mi from Palermo, CA
8/9/1975 - 3.0 mag, 7.0mi depth 2.455 mi from Palermo, CA
8/1/1975 - 3.0 mag, 7.0mi depth 1.9217 mi from Palermo, CA
6/17/1999 - 2.9 mag, 5.3mi depth 1.4276 mi from Palermo, CA
12/1/1980 - 2.8 mag, 5.0mi depth 3.3415 mi from Honcut, CA
2/4/2002 - 2.8 mag, 0.7mi depth 2.9586 mi from Colfax, CA
2/21/2006 - 2.8 mag, 0.2mi depth 4.7212 mi from Graniteville, CA
5/10/1994 - 2.7 mag, 0.6mi depth 2.6937 mi from Bangor, CA
2/13/2021 - 2.7 mag, 1.1mi depth 2.50352 mi from Loma Rica, CA
9/10/2009 - 2.7 mag, 13.5mi depth 2.2034 mi from Challenge Brownsville, CA
11/2/1986 - 2.7 mag, 5.0mi depth 5.535 mi from Alta, CA
5/29/2013 - 2.7 mag, 4.8mi depth 3.6729 mi from Graniteville, CA
9/8/2015 - 2.7 mag, 17.6mi depth 5.3848 mi from Penn Valley, CA
5/16/1988 - 2.6 mag, 5.0mi depth 5.1664 mi from Sierra City, CA

View All

Earthquake Probability for Grass Valley, CA

View the probability of a major earthquake within the next 50 years in Grass Valley, 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

57.58%

5.1

50.90%

5.2

50.90%

5.2

44.57%

5.3

38.67%

5.4

33.30%

5.5

28.47%

5.6

24.19%

5.7

20.43%

5.8

17.17%

5.9

14.35%

6.0

11.94%

6.1

9.39%

6.2

7.23%

6.3

5.33%

6.4

3.72%

6.5

2.30%

6.6

1.93%

6.7

1.59%

6.8

1.28%

6.9

0.99%

7.0

0.74%

7.1

0.58%

7.2

0.43%

7.3

0.31%

7.4

0.20%

7.5

0.09%

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 Grass Valley, CA

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

List of Earthquake Incidents for Grass Valley, CA

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

10/17/2023

1.6

0.0

10.10

Earthquake Information for Grass Valley, California

Earthquake Probability for Grass Valley, CA

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

Earthquake Count for Grass Valley, CA

List of Earthquake Incidents for Grass Valley, CA

Risk Of Natural Disasters In Grass Valley, CA

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