Earthquake Information for St. Helens, Oregon

St. Helens, OR has a high earthquake risk, with a total of 579 earthquakes since 1931. The USGS database shows that there is a 32.43% chance of a major earthquake within 50km of St. Helens, OR within the next 50 years. The largest earthquake within 30 miles of St. Helens, OR was a 3.9 Magnitude in 1989.

Risk Level:
High

Total Number of Earthquakes in St. Helens since 1931 within 30 miles

579

Probability of A 5.0 Earthquake within next 50 years

32.43%

Most Recent
Largest

4/25/2024 - 2.0 mag, 27.6mi depth 2.18923 mi from Tigard, OR
4/9/2024 - 2.4 mag, -0.8mi depth 2.41318 mi from Yacolt, WA
3/21/2024 - 1.9 mag, -0.3mi depth 2.97227 mi from Aloha, OR
3/19/2024 - 1.6 mag, -0.4mi depth 3.23613 mi from Yacolt, WA
2/23/2024 - 2.1 mag, -0.5mi depth 3.40553 mi from Yacolt, WA
2/22/2024 - 0.0 mag, 9.0mi depth 8.51787 mi from Amboy, WA
2/13/2024 - 0.2 mag, 9.2mi depth 17.4317 mi from Amboy, WA
2/13/2024 - 0.9 mag, 14.8mi depth 5.8195 mi from Amboy, WA
1/13/2024 - 2.0 mag, 17.1mi depth 15.1836 mi from Kelso, WA
12/20/2023 - 1.9 mag, 18.1mi depth 0.789064 mi from La Center, WA
7/6/2023 - 1.9 mag, 12.9mi depth 18.7724 mi from Castle Rock, WA
7/1/2023 - 2.7 mag, 25.9mi depth 8.24465 mi from Vernonia, OR
6/21/2023 - 2.5 mag, 20.1mi depth 1.71146 mi from Lake Shore, WA
3/20/2023 - 2.0 mag, 6.6mi depth 5.8349 mi from Portland, OR
2/6/2023 - 1.2 mag, 12.5mi depth 14.5239 mi from Kalama, WA
12/9/2022 - 1.8 mag, -0.3mi depth 4.41989 mi from Prescott, OR
7/24/2022 - 2.9 mag, 17.4mi depth 3.72663 mi from Aloha, OR
6/6/2022 - 2.8 mag, 3.8mi depth 2.85513 mi from Fern Prairie, WA
6/6/2022 - 1.1 mag, 23.9mi depth 10.4291 mi from Kelso, WA
2/14/2022 - 1.4 mag, -0.8mi depth 2.18604 mi from Lewisville, WA
2/5/2022 - 2.9 mag, 16.4mi depth 13.114 mi from Castle Rock, WA
2/5/2022 - 1.3 mag, 8.6mi depth 12.8375 mi from Castle Rock, WA
2/5/2022 - 0.9 mag, 14.3mi depth 13.9022 mi from Castle Rock, WA
2/5/2022 - 0.7 mag, 15.3mi depth 14.1829 mi from Castle Rock, WA
2/4/2022 - 1.3 mag, 13.7mi depth 13.5354 mi from Castle Rock, WA
2/3/2022 - 2.6 mag, 16.2mi depth 13.1464 mi from Castle Rock, WA
2/3/2022 - 1.6 mag, 15.1mi depth 13.3005 mi from Castle Rock, WA
1/27/2022 - 1.5 mag, 19.6mi depth 17.3702 mi from Amboy, WA
12/23/2021 - 1.2 mag, 16.8mi depth 16.8389 mi from Kelso, WA
10/29/2021 - 1.5 mag, 16.6mi depth 16.2002 mi from Amboy, WA
10/4/2021 - 1.4 mag, -0.2mi depth 3.05506 mi from Aloha, OR
9/15/2021 - 1.7 mag, -1.0mi depth 3.19522 mi from Venersborg, WA
8/25/2021 - 2.0 mag, 1.6mi depth 12.7439 mi from Castle Rock, WA
8/1/2021 - 1.7 mag, 16.7mi depth 13.6889 mi from Castle Rock, WA
7/17/2021 - 1.6 mag, 14.4mi depth 13.275 mi from Castle Rock, WA
6/27/2021 - 1.7 mag, 16.4mi depth 13.3297 mi from Castle Rock, WA
6/24/2021 - 2.0 mag, 12.6mi depth 18.5884 mi from Castle Rock, WA
5/18/2021 - 1.6 mag, 16.4mi depth 13.5225 mi from Castle Rock, WA
5/15/2021 - 1.2 mag, 14.9mi depth 14.0654 mi from Castle Rock, WA
4/5/2021 - 1.4 mag, 17.9mi depth 5.75974 mi from Kelso, WA
3/28/2021 - 1.5 mag, 15.4mi depth 13.6712 mi from Castle Rock, WA
3/25/2021 - 2.8 mag, 8.0mi depth 8.79909 mi from Yacolt, WA
2/25/2021 - 1.4 mag, 13.4mi depth 9.19484 mi from Kelso, WA
2/7/2021 - 2.8 mag, 6.3mi depth 10.9474 mi from Venersborg, WA
2/5/2021 - 1.5 mag, 11.4mi depth 9.90551 mi from Amboy, WA
12/15/2020 - 1.4 mag, -1.1mi depth 2.03558 mi from Yacolt, WA
12/10/2020 - 1.3 mag, 20.7mi depth 10.327 mi from Amboy, WA
11/10/2020 - 1.6 mag, -0.3mi depth 2.36868 mi from Kalama, WA
11/7/2020 - 1.9 mag, 10.1mi depth 2.71157 mi from Amboy, WA
11/6/2020 - 1.3 mag, -1.1mi depth 1.4832 mi from Yacolt, WA

8/1/1989 - 3.9 mag, 14.4mi depth 1.2698 mi from Camas, WA
4/24/2003 - 3.9 mag, 17.5mi depth 4.5824 mi from Lake Shore, WA
8/3/2006 - 3.8 mag, 11.6mi depth 1.6985 mi from Cherry Grove, WA
1/31/2013 - 3.7 mag, 7.6mi depth 3.3304 mi from Amboy, WA
7/22/1991 - 3.5 mag, 19.8mi depth 5.4633 mi from Bethany, OR
6/4/1984 - 3.5 mag, 51.0mi depth 2.8765 mi from Longview Heights, WA
7/16/2016 - 3.2 mag, 25.5mi depth 1.68961 mi from Aloha, OR
11/19/2012 - 3.2 mag, 19.0mi depth 4.5636 mi from Lake Shore, WA
7/16/1999 - 3.2 mag, 18.5mi depth 4.9475 mi from Lake Shore, WA
10/18/1991 - 3.1 mag, 20.2mi depth 5.4219 mi from North Plains, OR
3/5/1991 - 3.1 mag, 20.0mi depth 1.5474 mi from Duluth, WA
3/11/1986 - 3.1 mag, 15.0mi depth 3.3875 mi from Amboy, WA
10/21/1991 - 3.0 mag, 20.4mi depth 5.3176 mi from Bethany, OR
10/2/1987 - 3.0 mag, 5.0mi depth 2.6619 mi from Minnehaha, WA
7/29/1974 - 3.0 mag, 0.0mi depth 3.9601 mi from La Center, WA
2/26/2004 - 3.0 mag, 18.7mi depth 4.3158 mi from Lake Shore, WA
6/5/2012 - 3.0 mag, 8.8mi depth 6.176 mi from Scappoose, OR
7/25/2003 - 3.0 mag, 17.4mi depth 4.1426 mi from Lake Shore, WA
6/13/1995 - 3.0 mag, 25.0mi depth 6.3448 mi from Deer Island, OR
9/29/1990 - 2.9 mag, 22.7mi depth 2.204 mi from Kelso, WA
7/24/2022 - 2.9 mag, 17.4mi depth 3.72663 mi from Aloha, OR
2/5/2022 - 2.9 mag, 16.4mi depth 13.114 mi from Castle Rock, WA
1/26/2014 - 2.9 mag, 20.2mi depth 2.59391 mi from Columbia City, OR
10/18/1991 - 2.8 mag, 18.7mi depth 5.0457 mi from Bethany, OR
7/27/1991 - 2.8 mag, 20.1mi depth 5.1467 mi from Bethany, OR
6/23/1995 - 2.8 mag, 0.8mi depth 0.251 mi from Camas, WA
4/13/2012 - 2.8 mag, 2.8mi depth 4.6782 mi from Fern Prairie, WA
6/14/2017 - 2.8 mag, 19.4mi depth 1.18639 mi from Cedar Mill, OR
10/19/1999 - 2.8 mag, 16.0mi depth 2.385 mi from Forest Grove, OR
3/25/2021 - 2.8 mag, 8.0mi depth 8.79909 mi from Yacolt, WA
1/29/2006 - 2.8 mag, 14.5mi depth 1.2665 mi from Portland, OR
6/6/2022 - 2.8 mag, 3.8mi depth 2.85513 mi from Fern Prairie, WA
8/4/2010 - 2.8 mag, 18.0mi depth 12.0869 mi from Ariel, WA
7/26/2003 - 2.8 mag, 16.9mi depth 4.2368 mi from Lake Shore, WA
12/24/2012 - 2.8 mag, 18.2mi depth 4.5111 mi from Lake Shore, WA
2/7/2021 - 2.8 mag, 6.3mi depth 10.9474 mi from Venersborg, WA
11/12/2015 - 2.8 mag, 20.9mi depth 2.61768 mi from Felida, WA
9/25/2018 - 2.7 mag, 16.1mi depth 5.52542 mi from Scappoose, OR
10/19/2011 - 2.7 mag, 11.5mi depth 2.7735 mi from Amboy, WA
9/16/2011 - 2.7 mag, 15.5mi depth 1.355 mi from Duluth, WA
6/25/2005 - 2.7 mag, 14.9mi depth 1.2685 mi from Portland, OR
7/1/2023 - 2.7 mag, 25.9mi depth 8.24465 mi from Vernonia, OR
12/29/2014 - 2.7 mag, 19.3mi depth 7.19003 mi from Vancouver, WA
3/31/2003 - 2.7 mag, 16.8mi depth 5.0372 mi from Lake Shore, WA
11/6/2006 - 2.6 mag, 15.7mi depth 1.4548 mi from Portland, OR
9/29/1990 - 2.6 mag, 21.8mi depth 2.5928 mi from Kelso, WA
5/11/1983 - 2.6 mag, 0.1mi depth 6.187 mi from Bethany, OR
4/26/2008 - 2.6 mag, 18.1mi depth 7.542 mi from Ariel, WA
2/3/2022 - 2.6 mag, 16.2mi depth 13.1464 mi from Castle Rock, WA
4/2/1995 - 2.6 mag, 24.9mi depth 6.1801 mi from Deer Island, OR

View All

Earthquake Probability for St. Helens, OR

View the probability of a major earthquake within the next 50 years in St. Helens, OR.

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

32.43%

5.1

28.98%

5.2

28.98%

5.2

25.98%

5.3

23.38%

5.4

21.14%

5.5

19.23%

5.6

17.61%

5.7

16.23%

5.8

15.07%

5.9

14.08%

6.0

13.26%

6.1

12.46%

6.2

11.77%

6.3

9.63%

6.4

9.06%

6.5

8.57%

6.6

6.98%

6.7

5.53%

6.8

4.23%

6.9

3.01%

7.0

1.85%

7.1

0.92%

7.2

0.05%

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 St. Helens, OR

View the number of earthquake incidents in St. Helens, OR by year that are more than 2.5 Magnitude.

List of Earthquake Incidents for St. Helens, OR

Total Number of Earthquakes in St. Helens, OR within 30 miles. All distances and depths in the table are measured in miles.

04/25/2024

2.0

27.6

2.19

Earthquake Information for St. Helens, Oregon

Earthquake Probability for St. Helens, OR

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

Earthquake Count for St. Helens, OR

List of Earthquake Incidents for St. Helens, OR

Risk Of Natural Disasters In St. Helens, OR

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