Alaska earthquakes

M4.9 earthquake 133 km SE of Chignik, Alaska

A magnitude 4.9 earthquake struck 133 km SE of Chignik, Alaska on Thu, Jun 2, 2022, 1:41 PM AKDT (21:41 UTC), 39 km (24 mi) below the surface.

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Map

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

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The earthquake

Magnitude
4.9 (Mww, W-phase moment), light
Magnitude from
Alaska Earthquake Center
Local time
UTC
2022-06-02 21:41:54 UTC
Depth
38.7 km (24.0 mi), shallow
Epicenter
55.399° N, 156.992° W
Region
Alaska
Strongest shaking
III, weak shaking
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
4.9Mww, W-phase momentAlaska Earthquake CenterPreferred · Preliminary
4.9Mww, W-phase momentUSGS National Earthquake Information CenterReviewed · ±0.048 · 42 stations
4.9Mwr, regional momentUSGS National Earthquake Information CenterMoment tensor · Reviewed

Shaking

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

Strongest estimated
III, weak shaking
Peak ground acceleration
0.8% of gravity
Peak ground velocity
-1.0 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.

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting
Reverse (thrust)
Moment magnitude
4.9 Mww
Nodal plane 1
Strike 237°, dip 27°, rake 93°
Nodal plane 2
Strike 54°, dip 63°, rake 89°

How well it is located

Reviewed by a seismologist.

Stations used
155

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 47 in the 60 days after this one and 32 in the 30 days before it.

After

  1. 2.492 km SSE of Perryville, Alaska · 1582 days ago · 18 km deep · 95 km away
  2. 2.3132 km SSE of Perryville, Alaska · 1581 days ago · 11 km deep · 82 km away
  3. 1.959 km SE of Perryville, Alaska · 1581 days ago · 7 km deep · 100 km away
  4. 2.2168 km ESE of Chignik, Alaska · 1581 days ago · 14 km deep · 64 km away
  5. 2.3122 km SE of Perryville, Alaska · 1581 days ago · 52 km deep · 62 km away
  6. 2.042 km ESE of Chignik, Alaska · 1580 days ago · 43 km deep · 100 km away
  7. 4.4157 km SE of Chignik, Alaska · 1579 days ago · 25 km deep · 25 km away
  8. 2.0132 km SSE of Perryville, Alaska · 1579 days ago · 28 km deep · 91 km away
  9. 2.0147 km SE of Perryville, Alaska · 1578 days ago · 21 km deep · 55 km away
  10. 2.5119 km SE of Chignik, Alaska · 1577 days ago · 41 km deep · 18 km away
  11. 2.7139 km SE of Chignik, Alaska · 1576 days ago · 25 km deep · 8 km away
  12. 2.6139 km SE of Chignik, Alaska · 1576 days ago · 5 km deep · 9 km away
  13. 2.2174 km SSW of Akhiok, Alaska · 1575 days ago · 14 km deep · 84 km away
  14. 2.3133 km SSE of Chignik, Alaska · 1574 days ago · 25 km deep · 29 km away
  15. 2.347 km SSE of Chignik, Alaska · 1573 days ago · 74 km deep · 90 km away
  16. 2.443 km SSE of Chignik, Alaska · 1572 days ago · 74 km deep · 94 km away
  17. 2.6196 km SE of Perryville, Alaska · 1571 days ago · 33 km deep · 79 km away
  18. 2.7140 km SE of Chignik, Alaska · 1569 days ago · 50 km deep · 8 km away
  19. 2.5163 km SE of Chignik, Alaska · 1569 days ago · 44 km deep · 31 km away
  20. 2.250 km ESE of Chignik, Alaska · 1568 days ago · 47 km deep · 87 km away
  21. 1.9166 km SW of Akhiok, Alaska · 1567 days ago · 33 km deep · 87 km away
  22. 2.6170 km SE of Perryville, Alaska · 1565 days ago · 12 km deep · 93 km away
  23. 2.4208 km SE of Chignik, Alaska · 1565 days ago · 21 km deep · 77 km away
  24. 2.6203 km SE of Perryville, Alaska · 1564 days ago · 25 km deep · 79 km away
  25. 3.2153 km SE of Perryville, Alaska · 1563 days ago · 25 km deep · 35 km away
  26. 2.197 km SE of Chignik, Alaska · 1559 days ago · 7 km deep · 36 km away
  27. 1.9Alaska Peninsula · 1558 days ago · 4 km deep · 37 km away
  28. 3.1198 km SE of Chignik, Alaska · 1556 days ago · 4 km deep · 65 km away
  29. 2.5108 km E of Chignik, Alaska · 1555 days ago · 1 km deep · 93 km away
  30. 3.2Alaska Peninsula · 1554 days ago · 13 km deep · 41 km away
  31. 2.972 km SE of Perryville, Alaska · 1553 days ago · 20 km deep · 89 km away
  32. 2.6198 km SE of Perryville, Alaska · 1553 days ago · 26 km deep · 86 km away
  33. 2.3176 km SE of Perryville, Alaska · 1547 days ago · 30 km deep · 72 km away
  34. 2.6206 km SE of Perryville, Alaska · 1547 days ago · 10 km deep · 84 km away
  35. 2.171 km SE of Chignik, Alaska · 1542 days ago · 13 km deep · 63 km away
  36. 1.962 km SE of Perryville, Alaska · 1542 days ago · 15 km deep · 88 km away
  37. 1.9117 km E of Chignik, Alaska · 1541 days ago · 27 km deep · 97 km away
  38. 2.0158 km SW of Akhiok, Alaska · 1541 days ago · 12 km deep · 88 km away
  39. 2.565 km SE of Perryville, Alaska · 1540 days ago · 12 km deep · 95 km away
  40. 2.7208 km SE of Perryville, Alaska · 1540 days ago · 4 km deep · 89 km away
  41. 2.8219 km SE of Perryville, Alaska · 1540 days ago · 24 km deep · 99 km away
  42. 2.072 km SE of Perryville, Alaska · 1536 days ago · 40 km deep · 86 km away
  43. 2.670 km ESE of Chignik, Alaska · 1532 days ago · 39 km deep · 75 km away
  44. 2.2121 km E of Chignik, Alaska · 1530 days ago · 33 km deep · 92 km away
  45. 2.3225 km SE of Chignik, Alaska · 1528 days ago · 12 km deep · 94 km away
  46. 3.2174 km ESE of Chignik, Alaska · 1527 days ago · 39 km deep · 66 km away
  47. 2.170 km SSE of Chignik, Alaska · 1527 days ago · 66 km deep · 75 km away

Before

  1. 4.4157 km SE of Chignik, Alaska · 1584 days ago · 34 km deep · 27 km away
  2. 2.161 km SE of Perryville, Alaska · 1586 days ago · 32 km deep · 91 km away
  3. 2.0145 km SSE of Perryville, Alaska · 1588 days ago · 26 km deep · 88 km away
  4. 2.8205 km SE of Perryville, Alaska · 1589 days ago · 30 km deep · 91 km away
  5. 2.3201 km SE of Perryville, Alaska · 1590 days ago · 18 km deep · 85 km away
  6. 3.6208 km SE of Perryville, Alaska · 1590 days ago · 25 km deep · 88 km away
  7. 3.4209 km SE of Perryville, Alaska · 1590 days ago · 36 km deep · 95 km away
  8. 2.0144 km ESE of Chignik, Alaska · 1591 days ago · 41 km deep · 40 km away
  9. 2.056 km SSE of Chignik, Alaska · 1593 days ago · 52 km deep · 89 km away
  10. 3.0135 km SE of Perryville, Alaska · 1595 days ago · 39 km deep · 58 km away
  11. 2.8208 km SE of Perryville, Alaska · 1599 days ago · 33 km deep · 85 km away
  12. 2.8231 km SE of Chignik, Alaska · 1600 days ago · 21 km deep · 99 km away
  13. 2.4208 km SSW of Akhiok, Alaska · 1600 days ago · 10 km deep · 91 km away
  14. 2.1186 km SSW of Akhiok, Alaska · 1600 days ago · 23 km deep · 99 km away
  15. 2.4158 km SSE of Chignik, Alaska · 1601 days ago · 39 km deep · 37 km away
  16. 2.5110 km E of Chignik, Alaska · 1602 days ago · 15 km deep · 87 km away
  17. 2.5186 km SE of Perryville, Alaska · 1604 days ago · 12 km deep · 72 km away
  18. 2.5220 km SE of Chignik, Alaska · 1604 days ago · 33 km deep · 88 km away
  19. 2.295 km ESE of Perryville, Alaska · 1605 days ago · 24 km deep · 54 km away
  20. 2.453 km ESE of Chignik, Alaska · 1606 days ago · 57 km deep · 88 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak02271dz3na (also filed as us7000hehu). Read Sat, Oct 3, 2026, 12:54 PM UTC.