M1.9 earthquake 10 km SE of Port Heiden, Alaska

Magnitude

1.9 (ML, local (Richter)), micro

Magnitude from

AV

Local time

Sun, Jun 28, 2020, 2:45 PM AKDT

UTC

2020-06-28 22:45:42 UTC

Depth

13.2 km (8.2 mi), shallow

Epicenter

56.867° N, 158.520° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Location uncertainty

About 1.1 km horizontally, 1.4 km in depth

Magnitude uncertainty

±0.34

Depth from

From location

Station coverage gap

194°, poorly surrounded by stations

Stations used

11

• Sand Point, AlaskaPopulation 1,064. Forecast210 kmNE

After

1. 1.820 km SSE of Port Heiden, AlaskaSun, Jun 28, 4:12 PM AKDT · 2288 days ago · 4 km deep · 11 km away
2. 1.532 km N of Chignik Lagoon, AlaskaWed, Jul 1, 4:06 PM AKDT · 2285 days ago · 103 km deep · 30 km away
3. 1.781 km ENE of Chignik, AlaskaWed, Jul 1, 10:41 PM AKDT · 2285 days ago · 88 km deep · 93 km away
4. 2.555 km SW of Port Heiden, AlaskaThu, Jul 9, 4:50 PM AKDT · 2277 days ago · 167 km deep · 57 km away
5. 2.333 km NE of Chignik, AlaskaSat, Jul 11, 8:07 AM AKDT · 2275 days ago · 106 km deep · 46 km away
6. 2.771 km NE of Chignik, AlaskaSat, Jul 18, 7:47 PM AKDT · 2268 days ago · 77 km deep · 69 km away
7. 2.129 km ENE of Chignik, AlaskaSun, Jul 19, 3:57 PM AKDT · 2267 days ago · 102 km deep · 60 km away
8. 2.069 km S of Ugashik, AlaskaTue, Jul 21, 9:34 AM AKDT · 2265 days ago · 96 km deep · 65 km away
9. 2.546 km WSW of Port Heiden, AlaskaTue, Jul 21, 6:45 PM AKDT · 2265 days ago · 175 km deep · 50 km away
10. 2.517 km WNW of Chignik Lake, AlaskaWed, Jul 22, 9:22 PM AKDT · 2264 days ago · 5 km deep · 67 km away
11. 2.247 km SSW of Ugashik, AlaskaThu, Jul 23, 4:15 AM AKDT · 2263 days ago · 9 km deep · 62 km away
12. 1.727 km NNW of Chignik Lake, AlaskaThu, Jul 23, 6:21 AM AKDT · 2263 days ago · 4 km deep · 49 km away
13. 1.832 km SSE of Ugashik, AlaskaMon, Jul 27, 12:56 PM AKDT · 2259 days ago · 108 km deep · 85 km away
14. 2.224 km E of Chignik, AlaskaMon, Jul 27, 1:58 PM AKDT · 2259 days ago · 14 km deep · 73 km away
15. 1.929 km ESE of Chignik, AlaskaTue, Jul 28, 2:58 AM AKDT · 2258 days ago · 5 km deep · 80 km away
16. 2.430 km ESE of Chignik, AlaskaWed, Jul 29, 12:43 PM AKDT · 2257 days ago · 13 km deep · 79 km away
17. 1.989 km ENE of Chignik, AlaskaFri, Jul 31, 6:48 PM AKDT · 2255 days ago · 44 km deep · 98 km away
18. 1.827 km ESE of Chignik, AlaskaSat, Aug 1, 11:54 PM AKDT · 2253 days ago · 6 km deep · 79 km away
19. 2.365 km E of Chignik, AlaskaSun, Aug 2, 4:28 AM AKDT · 2253 days ago · 53 km deep · 90 km away
20. 2.340 km NW of Chignik Lake, AlaskaMon, Aug 3, 1:40 PM AKDT · 2252 days ago · 135 km deep · 64 km away
21. 2.222 km E of Chignik, AlaskaFri, Aug 7, 12:57 PM AKDT · 2248 days ago · 15 km deep · 71 km away
22. 2.252 km E of Port Heiden, AlaskaSat, Aug 8, 12:56 AM AKDT · 2247 days ago · 10 km deep · 47 km away
23. 2.228 km ESE of Chignik, AlaskaMon, Aug 10, 5:06 AM AKDT · 2245 days ago · 5 km deep · 78 km away
24. 2.128 km ESE of Chignik, AlaskaMon, Aug 10, 4:39 PM AKDT · 2245 days ago · 12 km deep · 80 km away
25. 1.736 km ESE of Chignik, AlaskaTue, Aug 11, 2:48 AM AKDT · 2244 days ago · 7 km deep · 88 km away
26. 2.031 km ESE of Chignik, AlaskaFri, Aug 14, 6:58 AM AKDT · 2241 days ago · 5 km deep · 81 km away
27. 1.919 km WNW of Chignik Lake, AlaskaFri, Aug 14, 7:21 AM AKDT · 2241 days ago · 86 km deep · 69 km away
28. 1.520 km SSW of Chignik Lake, AlaskaFri, Aug 21, 4:34 PM AKDT · 2234 days ago · 10 km deep · 90 km away
29. 2.026 km SE of Chignik, AlaskaSat, Aug 22, 3:23 AM AKDT · 2233 days ago · 63 km deep · 84 km away
30. 1.627 km E of Chignik, AlaskaSat, Aug 22, 6:49 AM AKDT · 2233 days ago · 9 km deep · 76 km away
31. 2.074 km ENE of Chignik, AlaskaSat, Aug 22, 7:45 AM AKDT · 2233 days ago · 55 km deep · 85 km away
32. 2.031 km E of Chignik, AlaskaThu, Aug 27, 5:51 AM AKDT · 2228 days ago · 87 km deep · 73 km away

Before

1. 3.035 km NNE of Chignik, AlaskaFri, Jun 26, 5:24 AM AKDT · 2290 days ago · 6 km deep · 34 km away
2. 1.714 km N of Chignik Lagoon, AlaskaThu, Jun 25, 4:02 PM AKDT · 2291 days ago · 5 km deep · 47 km away
3. 2.137 km ESE of Chignik, AlaskaTue, Jun 23, 2:30 AM AKDT · 2293 days ago · 54 km deep · 92 km away
4. 2.541 km ENE of Chignik, AlaskaFri, Jun 19, 1:34 AM AKDT · 2297 days ago · 100 km deep · 59 km away
5. 2.025 km WSW of Chignik Lake, AlaskaWed, Jun 17, 6:04 PM AKDT · 2299 days ago · 85 km deep · 87 km away
6. 2.753 km NE of Chignik, AlaskaWed, Jun 17, 4:02 PM AKDT · 2299 days ago · 111 km deep · 47 km away
7. 2.949 km E of Chignik, AlaskaFri, Jun 12, 9:32 PM AKDT · 2304 days ago · 76 km deep · 91 km away
8. 1.945 km ENE of Chignik, AlaskaSun, Jun 7, 8:55 PM AKDT · 2309 days ago · 57 km deep · 73 km away
9. 2.1Alaska PeninsulaSat, Jun 6, 8:08 PM AKDT · 2310 days ago · 81 km deep · 86 km away
10. 2.39 km NNW of Chignik Lagoon, AlaskaSat, May 30, 4:03 AM AKDT · 2317 days ago · 88 km deep · 55 km away

From the USGS Earthquake Hazards Program and its partner networks, event av62188621. Read Sat, Oct 3, 2026, 7:09 PM UTC.