Alaska earthquakes

M1.7 earthquake 30 km NE of McCarthy, Alaska

A magnitude 1.7 earthquake struck 30 km NE of McCarthy, Alaska on Thu, Sep 30, 2021, 7:46 PM AKDT (03:46 UTC), 3 km (2 mi) below the surface.

Automatic solution: the magnitude and location may still be revised.

A larger quake followed: M3.6 52 km SSW of Alcan Border, Alaska. This one was a foreshock.

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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
1.7 (ml), micro
Local time
UTC
2021-10-01 03:46:55 UTC
Depth
2.9 km (1.8 mi), shallow
Epicenter
61.606° N, 142.489° W
Region
Alaska
Tsunami flag
No
Status
Automatic solution, may be revised

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

An automatic solution; a seismologist may revise it.

Stations used
14

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 2.356 km SSW of Alcan Border, Alaska · 1819 days ago · 4 km deep · 83 km away
  2. 3.652 km SSW of Alcan Border, Alaska · 1819 days ago · 9 km deep · 86 km away · felt by 1
  3. 2.254 km SSW of Alcan Border, Alaska · 1819 days ago · 11 km deep · 84 km away
  4. 1.957 km SSW of Alcan Border, Alaska · 1819 days ago · 5 km deep · 81 km away
  5. 2.155 km SSW of Alcan Border, Alaska · 1818 days ago · 9 km deep · 83 km away
  6. 1.6119 km E of McCarthy, Alaska · 1818 days ago · 0 km deep · 95 km away
  7. 1.525 km NE of McCarthy, Alaska · 1817 days ago · 10 km deep · 5 km away
  8. 1.885 km E of McCarthy, Alaska · 1814 days ago · 4 km deep · 63 km away
  9. 1.990 km E of McCarthy, Alaska · 1811 days ago · 3 km deep · 66 km away
  10. 1.689 km E of McCarthy, Alaska · 1811 days ago · 4 km deep · 66 km away
  11. 1.537 km NE of McCarthy, Alaska · 1800 days ago · 6 km deep · 12 km away
  12. 1.667 km SSW of Alcan Border, Alaska · 1794 days ago · 6 km deep · 73 km away
  13. 1.857 km SSW of Alcan Border, Alaska · 1791 days ago · 3 km deep · 82 km away
  14. 1.580 km ESE of McCarthy, Alaska · 1768 days ago · 8 km deep · 67 km away

Before

  1. 2.224 km NE of McCarthy, Alaska · 1823 days ago · 7 km deep · 7 km away
  2. 1.8Southern Alaska · 1831 days ago · 4 km deep · 80 km away
  3. 1.6102 km E of McCarthy, Alaska · 1834 days ago · 7 km deep · 78 km away
  4. 1.6118 km E of McCarthy, Alaska · 1841 days ago · 9 km deep · 96 km away
  5. 1.551 km NNE of Chitina, Alaska · 1842 days ago · 7 km deep · 89 km away
  6. 1.691 km E of McCarthy, Alaska · 1843 days ago · 9 km deep · 67 km away
  7. 1.986 km S of Alcan Border, Alaska · 1844 days ago · 3 km deep · 72 km away
  8. 1.690 km E of McCarthy, Alaska · 1846 days ago · 5 km deep · 67 km away
  9. 1.8108 km E of McCarthy, Alaska · 1853 days ago · 9 km deep · 83 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021cl7bdcs. Read Mon, Sep 28, 2026, 7:34 AM UTC.