Alaska earthquakes

M2.7 earthquake 93 km S of Unalaska, Alaska

A magnitude 2.7 earthquake struck 93 km S of Unalaska, Alaska on Tue, Mar 7, 2023, 6:14 PM AKST (03:14 UTC), 20 km (13 mi) below the surface.

A larger quake followed: M3.8 142 km S of Unalaska, Alaska. This one was a foreshock.

Unalaska forecastMore in Alaska

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
2.7 (ml), micro
Local time
UTC
2023-03-08 03:14:11 UTC
Depth
20.3 km (12.6 mi), shallow
Epicenter
53.035° N, 166.393° W
Region
Alaska
Strongest shaking
II, weak shaking
Tsunami flag
No
Status
Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated
II, weak shaking
Peak ground acceleration
0.0% of gravity
Peak ground velocity
-5.0 cm/s
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

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 3.4 km horizontally, 12.8 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
226°, poorly surrounded by stations
Stations used
28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: at least 199 in the 60 days after this one and 55 in the 30 days before it.

After

  1. 3.8142 km S of Unalaska, Alaska · 1302 days ago · 25 km deep · 49 km away
  2. 2.5147 km S of Unalaska, Alaska · 1302 days ago · 26 km deep · 54 km away
  3. 2.0129 km ESE of Nikolski, Alaska · 1302 days ago · 13 km deep · 60 km away
  4. 3.3118 km ESE of Nikolski, Alaska · 1302 days ago · 35 km deep · 74 km away
  5. 1.873 km WSW of Unalaska, Alaska · 1302 days ago · 13 km deep · 98 km away
  6. 2.626 km SSW of Unalaska, Alaska · 1302 days ago · 84 km deep · 72 km away
  7. 2.781 km ESE of Nikolski, Alaska · 1301 days ago · 35 km deep · 91 km away
  8. 2.979 km SSE of Unalaska, Alaska · 1300 days ago · 35 km deep · 32 km away
  9. 1.872 km SSE of Unalaska, Alaska · 1300 days ago · 42 km deep · 39 km away
  10. 1.880 km SSE of Akutan, Alaska · 1300 days ago · 17 km deep · 93 km away
  11. 1.742 km S of Unalaska, Alaska · 1300 days ago · 72 km deep · 51 km away
  12. 2.348 km ESE of Unalaska, Alaska · 1300 days ago · 42 km deep · 81 km away
  13. 1.571 km SSE of Akutan, Alaska · 1299 days ago · 25 km deep · 87 km away
  14. 1.674 km SSE of Akutan, Alaska · 1299 days ago · 50 km deep · 87 km away
  15. 2.771 km ENE of Nikolski, Alaska · 1299 days ago · 54 km deep · 98 km away
  16. 3.4Fox Islands, Aleutian Islands, Alaska · 1298 days ago · 35 km deep · 68 km away
  17. 2.181 km E of Nikolski, Alaska · 1298 days ago · 22 km deep · 89 km away
  18. 2.379 km SSE of Akutan, Alaska · 1297 days ago · 26 km deep · 81 km away
  19. 2.070 km SE of Unalaska, Alaska · 1297 days ago · 21 km deep · 51 km away
  20. 2.170 km SSW of Unalaska, Alaska · 1296 days ago · 47 km deep · 42 km away
  21. 2.176 km SW of Unalaska, Alaska · 1296 days ago · 13 km deep · 82 km away
  22. 2.6Fox Islands, Aleutian Islands, Alaska · 1295 days ago · 10 km deep · 56 km away
  23. 2.890 km ENE of Nikolski, Alaska · 1295 days ago · 80 km deep · 98 km away
  24. 2.3116 km ESE of Nikolski, Alaska · 1294 days ago · 22 km deep · 93 km away
  25. 3.481 km S of Unalaska, Alaska · 1294 days ago · 35 km deep · 25 km away
  26. 2.2Fox Islands, Aleutian Islands, Alaska · 1294 days ago · 26 km deep · 26 km away
  27. 2.062 km SE of Unalaska, Alaska · 1292 days ago · 41 km deep · 64 km away
  28. 1.669 km SE of Unalaska, Alaska · 1291 days ago · 25 km deep · 68 km away
  29. 1.659 km SE of Unalaska, Alaska · 1291 days ago · 39 km deep · 69 km away
  30. 1.513 km WSW of Unalaska, Alaska · 1291 days ago · 10 km deep · 90 km away
  31. 2.225 km SSW of Unalaska, Alaska · 1290 days ago · 71 km deep · 73 km away
  32. 2.265 km SE of Unalaska, Alaska · 1288 days ago · 26 km deep · 60 km away
  33. 2.5Fox Islands, Aleutian Islands, Alaska · 1287 days ago · 35 km deep · 32 km away
  34. 2.0137 km S of Unalaska, Alaska · 1287 days ago · 26 km deep · 47 km away
  35. 2.729 km ESE of Unalaska, Alaska · 1286 days ago · 73 km deep · 87 km away
  36. 2.365 km SW of Unalaska, Alaska · 1286 days ago · 70 km deep · 73 km away
  37. 3.780 km S of Unalaska, Alaska · 1286 days ago · 36 km deep · 27 km away
  38. 2.269 km SW of Unalaska, Alaska · 1286 days ago · 102 km deep · 81 km away
  39. 2.120 km SSE of Unalaska, Alaska · 1284 days ago · 79 km deep · 73 km away
  40. 2.54 km SW of Unalaska, Alaska · 1284 days ago · 9 km deep · 90 km away
  41. 2.234 km SW of Unalaska, Alaska · 1284 days ago · 107 km deep · 79 km away
  42. 1.52 km WSW of Dutch Harbor, Alaska · 1284 days ago · 7 km deep · 95 km away
  43. 1.53 km WSW of Dutch Harbor, Alaska · 1284 days ago · 6 km deep · 95 km away
  44. 2.23 km W of Dutch Harbor, Alaska · 1284 days ago · 5 km deep · 95 km away
  45. 2.21 km WSW of Dutch Harbor, Alaska · 1284 days ago · 5 km deep · 95 km away
  46. 1.52 km WSW of Dutch Harbor, Alaska · 1284 days ago · 5 km deep · 95 km away
  47. 2.73 km SW of Unalaska, Alaska · 1283 days ago · 8 km deep · 91 km away
  48. 1.73 km WSW of Unalaska, Alaska · 1283 days ago · 4 km deep · 92 km away
  49. 2.03 km WSW of Dutch Harbor, Alaska · 1283 days ago · 6 km deep · 94 km away
  50. 1.8Fox Islands, Aleutian Islands, Alaska · 1283 days ago · 5 km deep · 93 km away
  51. 2.14 km WSW of Dutch Harbor, Alaska · 1283 days ago · 5 km deep · 95 km away
  52. 1.898 km E of Nikolski, Alaska · 1283 days ago · 26 km deep · 68 km away
  53. 1.679 km S of Unalaska, Alaska · 1283 days ago · 26 km deep · 26 km away
  54. 1.669 km SE of Unalaska, Alaska · 1283 days ago · 29 km deep · 52 km away
  55. 1.766 km SE of Unalaska, Alaska · 1283 days ago · 30 km deep · 50 km away
  56. 1.974 km SSE of Akutan, Alaska · 1282 days ago · 24 km deep · 83 km away
  57. 1.6Fox Islands, Aleutian Islands, Alaska · 1282 days ago · 27 km deep · 50 km away
  58. 1.82 km W of Unalaska, Alaska · 1281 days ago · 6 km deep · 94 km away
  59. 1.91 km W of Unalaska, Alaska · 1281 days ago · 5 km deep · 94 km away
  60. 1.63 km W of Unalaska, Alaska · 1281 days ago · 7 km deep · 94 km away

The first 60 of at least 199.

Before

  1. 2.867 km SE of Unalaska, Alaska · 1305 days ago · 35 km deep · 64 km away
  2. 1.966 km SE of Unalaska, Alaska · 1305 days ago · 22 km deep · 65 km away
  3. 2.554 km SW of Unalaska, Alaska · 1307 days ago · 9 km deep · 63 km away
  4. 2.7Fox Islands, Aleutian Islands, Alaska · 1307 days ago · 10 km deep · 57 km away
  5. 1.549 km SW of Unalaska, Alaska · 1307 days ago · 9 km deep · 78 km away
  6. 2.171 km SSE of Akutan, Alaska · 1308 days ago · 55 km deep · 91 km away
  7. 3.242 km SW of Unalaska, Alaska · 1309 days ago · 80 km deep · 71 km away
  8. 2.5Fox Islands, Aleutian Islands, Alaska · 1310 days ago · 35 km deep · 88 km away
  9. 2.884 km SSW of Unalaska, Alaska · 1310 days ago · 35 km deep · 36 km away
  10. 1.981 km SSW of Unalaska, Alaska · 1310 days ago · 18 km deep · 42 km away
  11. 1.930 km SSW of Akutan, Alaska · 1311 days ago · 72 km deep · 99 km away
  12. 1.647 km WSW of Unalaska, Alaska · 1311 days ago · 15 km deep · 86 km away
  13. 3.6102 km SSE of Akutan, Alaska · 1313 days ago · 35 km deep · 90 km away
  14. 2.945 km SSE of Unalaska, Alaska · 1314 days ago · 66 km deep · 55 km away
  15. 1.971 km SSE of Akutan, Alaska · 1314 days ago · 18 km deep · 91 km away
  16. 2.054 km SSE of Akutan, Alaska · 1315 days ago · 79 km deep · 97 km away
  17. 2.078 km SSE of Akutan, Alaska · 1315 days ago · 37 km deep · 89 km away
  18. 1.955 km S of Unalaska, Alaska · 1315 days ago · 55 km deep · 39 km away
  19. 2.5129 km ESE of Nikolski, Alaska · 1316 days ago · 10 km deep · 70 km away
  20. 2.724 km SE of Unalaska, Alaska · 1316 days ago · 80 km deep · 76 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000ji1x (also filed as ak02332uvkza). Read Thu, Oct 1, 2026, 2:25 AM UTC.