Alaska earthquakes

M2.4 earthquake 148 km SW of Adak, Alaska

A magnitude 2.4 earthquake struck 148 km SW of Adak, Alaska on Sat, Sep 19, 2026, 5:45 AM HADT (14:45 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M3.5 148 km WSW of Adak, 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
2.4 (ml), micro
Local time
UTC
2026-09-19 14:45:35 UTC
Depth
20.5 km (12.7 mi), shallow
Epicenter
51.129° N, 178.415° 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. If you felt it, tell the USGS: every report sharpens the shaking map.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 9.4 km horizontally, 6.3 km in depth
Magnitude uncertainty
±0.20
Station coverage gap
248°, poorly surrounded by stations
Stations used
14

Nearby

Within 100 km, magnitude 1.5 and up: 20 since this one and 144 in the 30 days before it.

After

  1. 2.074 km SW of Adak, Alaska · 11 days ago · 45 km deep · 75 km away
  2. 2.4123 km SW of Adak, Alaska · 11 days ago · 27 km deep · 35 km away
  3. 2.2105 km WSW of Adak, Alaska · 10 days ago · 30 km deep · 44 km away
  4. 2.9123 km WSW of Adak, Alaska · 9 days ago · 14 km deep · 27 km away
  5. 2.190 km SW of Adak, Alaska · 9 days ago · 33 km deep · 58 km away
  6. 2.0133 km WSW of Adak, Alaska · 9 days ago · 15 km deep · 57 km away
  7. 2.074 km SSW of Adak, Alaska · 9 days ago · 39 km deep · 89 km away
  8. 2.0119 km SW of Adak, Alaska · 9 days ago · 23 km deep · 29 km away
  9. 2.0126 km WSW of Adak, Alaska · 9 days ago · 13 km deep · 25 km away
  10. 3.0183 km WSW of Adak, Alaska · 9 days ago · 21 km deep · 39 km away
  11. 3.5148 km WSW of Adak, Alaska · 9 days ago · 0 km deep · 16 km away
  12. 2.4146 km WSW of Adak, Alaska · 9 days ago · 9 km deep · 20 km away
  13. 2.0142 km W of Adak, Alaska · 9 days ago · 18 km deep · 65 km away
  14. 3.5126 km WSW of Adak, Alaska · 6 days ago · 14 km deep · 26 km away
  15. 1.697 km WSW of Adak, Alaska · 3 days ago · 41 km deep · 53 km away
  16. 3.073 km WSW of Adak, Alaska · 3 days ago · 28 km deep · 75 km away
  17. 2.7201 km WSW of Adak, Alaska · 3 days ago · 20 km deep · 57 km away
  18. 2.6106 km SW of Adak, Alaska · 2 days ago · 21 km deep · 53 km away
  19. 2.2127 km WSW of Adak, Alaska · 2 days ago · 29 km deep · 25 km away
  20. 2.276 km SSW of Adak, Alaska · 2 days ago · 28 km deep · 98 km away

Before

  1. 2.256 km SW of Adak, Alaska · 12 days ago · 18 km deep · 96 km away
  2. 2.3113 km WSW of Adak, Alaska · 13 days ago · 8 km deep · 40 km away
  3. 2.2143 km W of Adak, Alaska · 13 days ago · 97 km deep · 62 km away
  4. 2.4143 km SW of Adak, Alaska · 14 days ago · 33 km deep · 12 km away
  5. 2.8242 km SW of Adak, Alaska · 14 days ago · 5 km deep · 94 km away
  6. 2.9125 km WSW of Adak, Alaska · 14 days ago · 11 km deep · 25 km away
  7. 2.5135 km SW of Adak, Alaska · 14 days ago · 20 km deep · 13 km away
  8. 3.0132 km WSW of Adak, Alaska · 14 days ago · 36 km deep · 20 km away
  9. 2.2103 km WSW of Adak, Alaska · 14 days ago · 20 km deep · 47 km away
  10. 2.4134 km WSW of Adak, Alaska · 14 days ago · 29 km deep · 32 km away
  11. 2.9184 km WSW of Adak, Alaska · 15 days ago · 21 km deep · 40 km away
  12. 2.3104 km WSW of Adak, Alaska · 15 days ago · 36 km deep · 45 km away
  13. 3.4160 km WSW of Adak, Alaska · 15 days ago · 35 km deep · 37 km away
  14. 2.3113 km WSW of Adak, Alaska · 15 days ago · 54 km deep · 37 km away
  15. 3.1113 km SW of Adak, Alaska · 15 days ago · 35 km deep · 37 km away
  16. 3.0134 km SW of Adak, Alaska · 16 days ago · 15 km deep · 41 km away
  17. 2.5162 km SW of Adak, Alaska · 16 days ago · 42 km deep · 14 km away
  18. 2.156 km SW of Adak, Alaska · 16 days ago · 18 km deep · 96 km away
  19. 2.1199 km W of Adak, Alaska · 17 days ago · 92 km deep · 98 km away
  20. 2.077 km SSW of Adak, Alaska · 17 days ago · 32 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event aka2026spfgfa. Read Wed, Sep 30, 2026, 9:23 PM UTC.