Alaska earthquakes

M1.5 earthquake 47 km SSW of Nelson Lagoon, Alaska

A magnitude 1.5 earthquake struck 47 km SSW of Nelson Lagoon, Alaska on Sat, Apr 28, 2018, 11:53 PM AKDT (07:53 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M4.6 37 km SW of Sand Point, Alaska. This one was a foreshock.

Sand Point forecastMore in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.5 (ML, local (Richter)), micro
Magnitude from
AV
Local time
UTC
2018-04-29 07:53:28 UTC
Depth
25.9 km (16.1 mi), shallow
Epicenter
55.583° N, 161.387° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 1.7 km horizontally, 4.7 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
300°, poorly surrounded by stations
Stations used
6

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 31 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 2.433 km ESE of Sand Point, Alaska · 3078 days ago · 10 km deep · 95 km away
  2. 2.369 km ESE of King Cove, Alaska · 3077 days ago · 44 km deep · 96 km away
  3. 1.743 km E of Nelson Lagoon, Alaska · 3075 days ago · 5 km deep · 68 km away
  4. 4.637 km SW of Sand Point, Alaska · 3073 days ago · 65 km deep · 59 km away · felt by 1
  5. 1.963 km SSW of Sand Point, Alaska · 3071 days ago · 21 km deep · 86 km away
  6. 3.751 km WSW of Sand Point, Alaska · 3068 days ago · 72 km deep · 56 km away
  7. 2.030 km W of Ivanof Bay, Alaska · 3061 days ago · 7 km deep · 96 km away
  8. 1.753 km W of Sand Point, Alaska · 3058 days ago · 82 km deep · 26 km away
  9. 4.144 km NW of Nelson Lagoon, Alaska · 3057 days ago · 207 km deep · 79 km away
  10. 2.036 km S of Sand Point, Alaska · 3055 days ago · 36 km deep · 83 km away
  11. 1.738 km WSW of Sand Point, Alaska · 3053 days ago · 71 km deep · 45 km away
  12. 1.721 km S of Nelson Lagoon, Alaska · 3052 days ago · 106 km deep · 27 km away
  13. 2.044 km SW of Ivanof Bay, Alaska · 3051 days ago · 64 km deep · 94 km away
  14. 2.245 km SW of Nelson Lagoon, Alaska · 3047 days ago · 163 km deep · 28 km away
  15. 1.655 km SW of Sand Point, Alaska · 3046 days ago · 61 km deep · 66 km away
  16. 1.648 km NNE of King Cove, Alaska · 3044 days ago · 26 km deep · 38 km away
  17. 2.550 km SW of Nelson Lagoon, Alaska · 3043 days ago · 131 km deep · 20 km away
  18. 1.569 km SE of King Cove, Alaska · 3040 days ago · 18 km deep · 97 km away
  19. 2.735 km SW of Nelson Lagoon, Alaska · 3039 days ago · 184 km deep · 30 km away
  20. 2.253 km W of Ivanof Bay, Alaska · 3039 days ago · 106 km deep · 72 km away
  21. 2.446 km ENE of Sand Point, Alaska · 3031 days ago · 35 km deep · 100 km away
  22. 2.044 km WSW of Sand Point, Alaska · 3031 days ago · 67 km deep · 48 km away
  23. 1.958 km WSW of Sand Point, Alaska · 3027 days ago · 88 km deep · 43 km away
  24. 2.260 km NNE of King Cove, Alaska · 3025 days ago · 115 km deep · 27 km away
  25. 2.040 km S of Nelson Lagoon, Alaska · 3024 days ago · 150 km deep · 8 km away
  26. 1.652 km ESE of King Cove, Alaska · 3023 days ago · 77 km deep · 82 km away
  27. 1.624 km SSE of Nelson Lagoon, Alaska · 3023 days ago · 5 km deep · 31 km away
  28. 2.064 km SW of Sand Point, Alaska · 3022 days ago · 52 km deep · 80 km away
  29. 2.613 km NNW of Nelson Lagoon, Alaska · 3022 days ago · 199 km deep · 59 km away
  30. 2.360 km SSW of Nelson Lagoon, Alaska · 3021 days ago · 109 km deep · 13 km away
  31. 2.041 km NE of Sand Point, Alaska · 3019 days ago · 5 km deep · 82 km away

Before

  1. 2.834 km WNW of Nelson Lagoon, Alaska · 3091 days ago · 220 km deep · 64 km away
  2. 2.251 km SE of King Cove, Alaska · 3093 days ago · 76 km deep · 92 km away
  3. 2.131 km E of King Cove, Alaska · 3093 days ago · 102 km deep · 60 km away
  4. 2.033 km NW of Sand Point, Alaska · 3098 days ago · 85 km deep · 31 km away
  5. 2.815 km SE of Nelson Lagoon, Alaska · 3100 days ago · 144 km deep · 40 km away
  6. 1.626 km S of Sand Point, Alaska · 3102 days ago · 7 km deep · 77 km away
  7. 1.754 km SW of Sand Point, Alaska · 3102 days ago · 62 km deep · 67 km away
  8. 2.255 km SSW of Nelson Lagoon, Alaska · 3102 days ago · 118 km deep · 11 km away
  9. 2.050 km NE of King Cove, Alaska · 3104 days ago · 27 km deep · 35 km away
  10. 2.169 km ESE of King Cove, Alaska · 3104 days ago · 72 km deep · 82 km away
  11. 2.138 km SSE of Sand Point, Alaska · 3104 days ago · 44 km deep · 93 km away
  12. 2.048 km NE of King Cove, Alaska · 3105 days ago · 110 km deep · 35 km away
  13. 2.222 km S of Sand Point, Alaska · 3105 days ago · 56 km deep · 73 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event av70785919. Read Fri, Oct 2, 2026, 6:24 PM UTC.