Earthquake Information for Old Harbor, Alaska

Old Harbor, AK has a very high earthquake risk, with a total of 370 earthquakes since 1931. The USGS database shows that there is a 99.86% chance of a major earthquake within 50km of Old Harbor, AK within the next 50 years. The largest earthquake within 30 miles of Old Harbor, AK was a 6.9 Magnitude in 2001.

Risk Level:
Very High

Total Number of Earthquakes in Old Harbor since 1931 within 30 miles

370

Probability of A 5.0 Earthquake within next 50 years

99.86%

Most Recent
Largest

4/25/2024 - 3.2 mag, 18.4mi depth 19.9408 mi from Larsen Bay, AK
4/2/2024 - 2.8 mag, 35.1mi depth 5.40016 mi from Larsen Bay, AK
4/1/2024 - 3.0 mag, 27.1mi depth 10.3469 mi from Old Harbor, AK
3/15/2024 - 1.7 mag, 0.0mi depth 17.9626 mi from Old Harbor, AK
3/5/2024 - 2.6 mag, 35.6mi depth 12.5177 mi from Old Harbor, AK
2/23/2024 - 2.2 mag, 32.8mi depth 16.7074 mi from Old Harbor, AK
1/19/2024 - 1.9 mag, 11.7mi depth 22.7183 mi from Larsen Bay, AK
11/21/2023 - 2.3 mag, 86.2mi depth 18.5574 mi from Larsen Bay, AK
10/23/2023 - 1.8 mag, 0.0mi depth 18.592 mi from Old Harbor, AK
10/21/2023 - 3.1 mag, 25.2mi depth 12.1158 mi from Old Harbor, AK
10/16/2023 - 2.5 mag, 0.0mi depth 9.73738 mi from Old Harbor, AK
9/27/2023 - 2.5 mag, 77.5mi depth 19.722 mi from Akhiok, AK
9/24/2023 - 1.9 mag, 32.4mi depth 20.5862 mi from Old Harbor, AK
8/31/2023 - 2.3 mag, 10.0mi depth 9.28249 mi from Larsen Bay, AK
8/20/2023 - 0.8 mag, 219.8mi depth 11.3904 mi from Larsen Bay, AK
8/6/2023 - 3.2 mag, 11.7mi depth 16.833 mi from Larsen Bay, AK
7/15/2023 - 2.2 mag, 39.5mi depth 12.9786 mi from Larsen Bay, AK
6/20/2023 - 2.1 mag, 0.1mi depth 29.8484 mi from Old Harbor, AK
6/19/2023 - 3.0 mag, 11.4mi depth 18.6893 mi from Akhiok, AK
6/2/2023 - 2.4 mag, 47.9mi depth 14.6231 mi from Larsen Bay, AK
4/27/2023 - 1.9 mag, 42.2mi depth 12.821 mi from Larsen Bay, AK
4/7/2023 - 2.9 mag, 35.3mi depth 19.1703 mi from Akhiok, AK
3/27/2023 - 1.8 mag, 34.6mi depth 0.604578 mi from Old Harbor, AK
3/21/2023 - 2.5 mag, 164.2mi depth 21.4662 mi from Old Harbor, AK
3/13/2023 - 2.2 mag, 46.4mi depth 15.217 mi from Old Harbor, AK
3/11/2023 - 1.9 mag, 16.9mi depth 3.05249 mi from Old Harbor, AK
2/22/2023 - 2.4 mag, 11.3mi depth 29.814 mi from Old Harbor, AK
2/20/2023 - 2.8 mag, 0.0mi depth 8.97436 mi from Akhiok, AK
2/20/2023 - 5.5 mag, 0.0mi depth 13.5476 mi from Old Harbor, AK
2/20/2023 - 1.9 mag, 80.1mi depth 19.6565 mi from Old Harbor, AK
10/31/2022 - 2.5 mag, 34.0mi depth 15.3836 mi from Old Harbor, AK
9/23/2022 - 1.6 mag, 57.7mi depth 17.779 mi from Larsen Bay, AK
9/7/2022 - 2.1 mag, 5.0mi depth 13.6449 mi from Larsen Bay, AK
8/17/2022 - 1.7 mag, 4.8mi depth 19.5971 mi from Old Harbor, AK
8/14/2022 - 1.4 mag, 31.7mi depth 11.6518 mi from Old Harbor, AK
8/14/2022 - 1.4 mag, 26.0mi depth 15.5961 mi from Old Harbor, AK
7/26/2022 - 1.8 mag, 16.5mi depth 5.36558 mi from Old Harbor, AK
7/11/2022 - 1.9 mag, 7.5mi depth 11.3632 mi from Larsen Bay, AK
6/16/2022 - 1.4 mag, 2.3mi depth 11.6598 mi from Old Harbor, AK
6/3/2022 - 1.3 mag, 11.8mi depth 13.7025 mi from Larsen Bay, AK
5/28/2022 - 1.5 mag, 3.7mi depth 20.3104 mi from Old Harbor, AK
4/10/2022 - 3.3 mag, 28.2mi depth 9.49279 mi from Old Harbor, AK
3/27/2022 - 1.8 mag, 46.2mi depth 18.529 mi from Old Harbor, AK
1/9/2022 - 2.7 mag, 8.0mi depth 19.4062 mi from Womens Bay, AK
12/31/2021 - 2.6 mag, 136.0mi depth 9.37919 mi from Old Harbor, AK
12/29/2021 - 3.8 mag, 9.9mi depth 29.5869 mi from Old Harbor, AK
11/14/2021 - 2.6 mag, 36.1mi depth 16.5514 mi from Akhiok, AK
10/20/2021 - 2.1 mag, 58.3mi depth 21.699 mi from Port Lions, AK
8/13/2021 - 1.6 mag, 45.4mi depth 10.4297 mi from Old Harbor, AK
7/29/2021 - 2.4 mag, 31.1mi depth 14.4371 mi from Old Harbor, AK

1/10/2001 - 6.9 mag, 25.0mi depth 21.3959 mi from Old Harbor, AK
4/16/1966 - 6.2 mag, 12.5mi depth 21.4538 mi from Akhiok, AK
3/11/1970 - 6.0 mag, 38.4mi depth 15.5885 mi from Larsen Bay, AK
5/29/1990 - 6.0 mag, 23.3mi depth 15.4356 mi from Old Harbor, AK
3/28/1964 - 5.8 mag, 4.1mi depth 15.5025 mi from Old Harbor, AK
7/28/1969 - 5.5 mag, 34.4mi depth 13.984 mi from Larsen Bay, AK
4/13/1964 - 5.5 mag, 39.5mi depth 11.648 mi from Larsen Bay, AK
2/20/2023 - 5.5 mag, 0.0mi depth 13.5476 mi from Old Harbor, AK
2/11/2001 - 5.3 mag, 25.8mi depth 11.2907 mi from Old Harbor, AK
1/10/2001 - 5.3 mag, 33.0mi depth 19.5268 mi from Akhiok, AK
3/25/1976 - 5.0 mag, 28.0mi depth 19.611 mi from Akhiok, AK
9/21/1973 - 5.0 mag, 45.0mi depth 20.9357 mi from Larsen Bay, AK
1/11/2001 - 4.9 mag, 33.0mi depth 19.0437 mi from Old Harbor, AK
10/11/1988 - 4.9 mag, 42.7mi depth 11.5902 mi from Old Harbor, AK
1/10/2001 - 4.9 mag, 33.0mi depth 19.4859 mi from Akhiok, AK
1/19/1973 - 4.9 mag, 32.0mi depth 12.453 mi from Akhiok, AK
2/22/2010 - 4.9 mag, 22.5mi depth 26.0259 mi from Old Harbor, AK
1/8/1978 - 4.8 mag, 26.0mi depth 7.7897 mi from Old Harbor, AK
9/10/1973 - 4.7 mag, 28.0mi depth 16.5812 mi from Larsen Bay, AK
3/16/2000 - 4.7 mag, 0.0mi depth 14.1528 mi from Womens Bay, AK
10/6/1980 - 4.7 mag, 33.0mi depth 25.6155 mi from Old Harbor, AK
2/20/1977 - 4.7 mag, 51.0mi depth 13.9776 mi from Akhiok, AK
2/27/1984 - 4.6 mag, 33.0mi depth 17.8252 mi from Old Harbor, AK
9/10/1991 - 4.6 mag, 51.9mi depth 21.198 mi from Akhiok, AK
1/31/1982 - 4.6 mag, 33.0mi depth 17.9432 mi from Old Harbor, AK
5/19/1999 - 4.6 mag, 10.0mi depth 25.6673 mi from Old Harbor, AK
5/23/1977 - 4.6 mag, 33.0mi depth 14.4508 mi from Old Harbor, AK
3/29/1991 - 4.6 mag, 10.0mi depth 29.5951 mi from Old Harbor, AK
8/17/1998 - 4.6 mag, 41.1mi depth 12.871 mi from Old Harbor, AK
3/10/1980 - 4.6 mag, 79.0mi depth 9.4274 mi from Larsen Bay, AK
7/9/1983 - 4.5 mag, 33.0mi depth 9.7758 mi from Old Harbor, AK
1/8/1976 - 4.5 mag, 55.0mi depth 12.1391 mi from Womens Bay, AK
3/17/1975 - 4.5 mag, 65.0mi depth 14.8158 mi from Old Harbor, AK
6/21/2003 - 4.4 mag, 33.0mi depth 10.1908 mi from Old Harbor, AK
5/6/1973 - 4.4 mag, 53.0mi depth 5.5649 mi from Old Harbor, AK
6/3/2003 - 4.4 mag, 42.2mi depth 19.5184 mi from Larsen Bay, AK
11/21/2001 - 4.3 mag, 33.0mi depth 26.1294 mi from Old Harbor, AK
8/1/1982 - 4.3 mag, 51.7mi depth 7.2117 mi from Kodiak Island, AK
2/5/2011 - 4.3 mag, 43.2mi depth 3.6439 mi from Kodiak Island, AK
1/1/1983 - 4.3 mag, 68.9mi depth 5.9449 mi from Old Harbor, AK
4/28/1978 - 4.3 mag, 70.0mi depth 24.0761 mi from Old Harbor, AK
6/21/2003 - 4.3 mag, 33.0mi depth 13.0671 mi from Old Harbor, AK
9/30/1998 - 4.2 mag, 21.8mi depth 13.4861 mi from Old Harbor, AK
4/1/1986 - 4.2 mag, 33.0mi depth 23.5767 mi from Old Harbor, AK
11/24/2000 - 4.2 mag, 33.0mi depth 26.0658 mi from Old Harbor, AK
6/21/1978 - 4.2 mag, 83.0mi depth 18.3634 mi from Old Harbor, AK
3/15/1991 - 4.2 mag, 33.0mi depth 27.9906 mi from Old Harbor, AK
5/4/1974 - 4.2 mag, 74.0mi depth 14.7975 mi from Old Harbor, AK
5/27/1995 - 4.2 mag, 51.4mi depth 5.1157 mi from Old Harbor, AK
11/9/2017 - 4.2 mag, 31.9mi depth 20.09 mi from Kodiak Station, AK

View All

Earthquake Probability for Old Harbor, AK

View the probability of a major earthquake within the next 50 years in Old Harbor, AK.

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

99.86%

5.1

99.64%

5.2

99.64%

5.2

99.24%

5.3

98.57%

5.4

97.58%

5.5

96.24%

5.6

94.57%

5.7

92.62%

5.8

90.46%

5.9

88.18%

6.0

85.86%

6.1

83.13%

6.2

80.43%

6.3

77.76%

6.4

75.25%

6.5

72.84%

6.6

69.89%

6.7

67.10%

6.8

64.40%

6.9

61.92%

7.0

59.61%

7.1

54.83%

7.2

50.07%

7.3

45.17%

7.4

40.45%

7.5

35.44%

7.6

31.39%

7.7

27.70%

7.8

24.21%

7.9

20.82%

8.0

17.52%

8.1

14.26%

8.2

14.26%

8.3

14.26%

8.4

14.26%

8.5

14.26%

8.6

14.26%

8.7

14.26%

8.8

14.26%

8.9

7.40%

9.0

7.40%

9.1

7.40%

9.2

7.40%

Earthquake Count for Old Harbor, AK

View the number of earthquake incidents in Old Harbor, AK by year that are more than 2.5 Magnitude.

List of Earthquake Incidents for Old Harbor, AK

Total Number of Earthquakes in Old Harbor, AK within 30 miles. All distances and depths in the table are measured in miles.

04/25/2024

3.2

18.4

19.94

Earthquake Information for Old Harbor, Alaska

Earthquake Probability for Old Harbor, AK

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

Earthquake Count for Old Harbor, AK

List of Earthquake Incidents for Old Harbor, AK

Risk Of Natural Disasters In Old Harbor, AK

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