M1.6 earthquake 13 km WNW of Chignik Lake, Alaska

Magnitude

1.6 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Mon, May 18, 2020, 12:06 PM AKDT

UTC

2020-05-18 20:06:22 UTC

Depth

9.8 km (6.1 mi), shallow

Epicenter

56.291° N, 158.963° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.0 km horizontally, 1.9 km in depth

Magnitude uncertainty

±0.23

Depth from

From location

Station coverage gap

126°

Stations used

10

• Sand Point, AlaskaPopulation 1,064. Forecast143 kmNE

After

1. 2.024 km NNE of Ivanof Bay, AlaskaSun, May 24, 3:29 AM AKDT · 2324 days ago · 95 km deep · 33 km away
2. 2.051 km WSW of Ivanof Bay, AlaskaMon, May 25, 4:02 AM AKDT · 2323 days ago · 91 km deep · 98 km away
3. 1.510 km W of Ivanof Bay, AlaskaWed, May 27, 7:10 AM AKDT · 2321 days ago · 83 km deep · 61 km away
4. 2.033 km SSE of Chignik, AlaskaThu, May 28, 8:22 AM AKDT · 2320 days ago · 88 km deep · 56 km away
5. 3.417 km WNW of Chignik Lake, AlaskaThu, May 28, 3:59 PM AKDT · 2319 days ago · 13 km deep · 4 km away
6. 2.216 km W of Chignik Lake, AlaskaThu, May 28, 4:16 PM AKDT · 2319 days ago · 5 km deep · 5 km away
7. 2.836 km SSE of Perryville, AlaskaFri, May 29, 12:20 AM AKDT · 2319 days ago · 52 km deep · 78 km away
8. 2.39 km NNW of Chignik Lagoon, AlaskaSat, May 30, 4:03 AM AKDT · 2318 days ago · 88 km deep · 24 km away
9. 1.951 km SSE of Perryville, AlaskaTue, Jun 2, 7:32 PM AKDT · 2314 days ago · 20 km deep · 88 km away
10. 1.815 km SE of Ivanof Bay, AlaskaFri, Jun 5, 10:38 PM AKDT · 2311 days ago · 68 km deep · 60 km away
11. 1.945 km ENE of Chignik, AlaskaSun, Jun 7, 8:55 PM AKDT · 2309 days ago · 57 km deep · 79 km away
12. 2.138 km WSW of Ivanof Bay, AlaskaTue, Jun 9, 9:18 PM AKDT · 2307 days ago · 84 km deep · 90 km away
13. 2.949 km E of Chignik, AlaskaFri, Jun 12, 9:32 PM AKDT · 2304 days ago · 76 km deep · 83 km away
14. 2.753 km NE of Chignik, AlaskaWed, Jun 17, 4:02 PM AKDT · 2299 days ago · 111 km deep · 80 km away
15. 2.025 km WSW of Chignik Lake, AlaskaWed, Jun 17, 6:04 PM AKDT · 2299 days ago · 85 km deep · 18 km away
16. 2.541 km ENE of Chignik, AlaskaFri, Jun 19, 1:34 AM AKDT · 2298 days ago · 100 km deep · 73 km away
17. 2.849 km S of Chignik, AlaskaFri, Jun 19, 4:10 PM AKDT · 2297 days ago · 48 km deep · 64 km away
18. 2.667 km SE of Perryville, AlaskaMon, Jun 22, 5:29 PM AKDT · 2294 days ago · 12 km deep · 99 km away
19. 1.828 km WNW of Ivanof Bay, AlaskaMon, Jun 22, 11:02 PM AKDT · 2294 days ago · 112 km deep · 67 km away
20. 2.137 km ESE of Chignik, AlaskaTue, Jun 23, 2:30 AM AKDT · 2294 days ago · 54 km deep · 69 km away
21. 2.156 km S of Chignik, AlaskaTue, Jun 23, 2:21 PM AKDT · 2293 days ago · 39 km deep · 71 km away
22. 1.714 km N of Chignik Lagoon, AlaskaThu, Jun 25, 4:02 PM AKDT · 2291 days ago · 5 km deep · 30 km away
23. 3.035 km NNE of Chignik, AlaskaFri, Jun 26, 5:24 AM AKDT · 2291 days ago · 6 km deep · 56 km away
24. 1.945 km E of Nelson Lagoon, AlaskaFri, Jun 26, 8:20 PM AKDT · 2290 days ago · 133 km deep · 99 km away
25. 1.910 km SE of Port Heiden, AlaskaSun, Jun 28, 2:45 PM AKDT · 2288 days ago · 13 km deep · 70 km away
26. 1.820 km SSE of Port Heiden, AlaskaSun, Jun 28, 4:12 PM AKDT · 2288 days ago · 4 km deep · 61 km away
27. 1.532 km N of Chignik Lagoon, AlaskaWed, Jul 1, 4:06 PM AKDT · 2285 days ago · 103 km deep · 43 km away
28. 3.735 km SSE of Chignik Lake, AlaskaThu, Jul 2, 1:59 AM AKDT · 2285 days ago · 9 km deep · 44 km away
29. 2.461 km ESE of Chignik, AlaskaMon, Jul 6, 11:03 PM AKDT · 2280 days ago · 82 km deep · 93 km away
30. 2.555 km SW of Port Heiden, AlaskaThu, Jul 9, 4:50 PM AKDT · 2277 days ago · 167 km deep · 46 km away
31. 2.333 km NE of Chignik, AlaskaSat, Jul 11, 8:07 AM AKDT · 2276 days ago · 106 km deep · 61 km away

Before

1. 1.516 km W of Chignik Lake, AlaskaSun, May 17, 10:03 PM AKDT · 2330 days ago · 16 km deep · 6 km away
2. 4.017 km W of Chignik Lake, AlaskaSun, May 17, 9:18 PM AKDT · 2330 days ago · 10 km deep · 4 km away · felt by 1
3. 1.929 km SW of Ivanof Bay, AlaskaSun, May 17, 8:52 AM AKDT · 2331 days ago · 81 km deep · 83 km away
4. 1.719 km W of Ivanof Bay, AlaskaWed, May 13, 12:21 AM AKDT · 2335 days ago · 9 km deep · 66 km away
5. 1.946 km WSW of Ivanof Bay, AlaskaTue, May 12, 11:18 PM AKDT · 2335 days ago · 86 km deep · 96 km away
6. 2.043 km SSE of Perryville, AlaskaTue, May 12, 3:49 AM AKDT · 2336 days ago · 41 km deep · 81 km away
7. 2.172 km NNW of Ivanof Bay, AlaskaSun, May 10, 12:05 AM AKDT · 2338 days ago · 18 km deep · 61 km away
8. 2.232 km NNE of Chignik, AlaskaThu, May 7, 7:33 AM AKDT · 2341 days ago · 97 km deep · 57 km away
9. 2.174 km NNW of Ivanof Bay, AlaskaWed, May 6, 8:27 AM AKDT · 2342 days ago · 21 km deep · 63 km away
10. 2.272 km NNW of Ivanof Bay, AlaskaTue, May 5, 4:45 PM AKDT · 2342 days ago · 23 km deep · 61 km away
11. 1.779 km WNW of Chignik Lake, AlaskaTue, May 5, 2:37 AM AKDT · 2343 days ago · 21 km deep · 66 km away
12. 1.919 km WSW of Chignik Lake, AlaskaMon, May 4, 2:58 AM AKDT · 2344 days ago · 5 km deep · 11 km away
13. 2.339 km SE of Perryville, AlaskaMon, May 4, 2:02 AM AKDT · 2344 days ago · 61 km deep · 76 km away
14. 2.023 km NNE of Chignik Lagoon, AlaskaSun, May 3, 2:00 PM AKDT · 2344 days ago · 87 km deep · 41 km away
15. 2.670 km SSE of Chignik, AlaskaSat, May 2, 6:57 AM AKDT · 2346 days ago · 31 km deep · 92 km away
16. 1.716 km S of Perryville, AlaskaThu, Apr 30, 10:17 AM AKDT · 2348 days ago · 72 km deep · 60 km away
17. 1.719 km SSW of Ivanof Bay, AlaskaThu, Apr 30, 4:12 AM AKDT · 2348 days ago · 5 km deep · 73 km away
18. 2.350 km NW of Chignik Lake, AlaskaMon, Apr 27, 3:01 PM AKDT · 2350 days ago · 163 km deep · 39 km away
19. 2.222 km E of Chignik, AlaskaSat, Apr 25, 4:41 PM AKDT · 2352 days ago · 63 km deep · 57 km away
20. 1.721 km S of Ivanof Bay, AlaskaSat, Apr 25, 10:28 AM AKDT · 2353 days ago · 76 km deep · 71 km away

From the USGS Earthquake Hazards Program and its partner networks, event av62169321. Read Sun, Oct 4, 2026, 8:16 AM UTC.