Alaska earthquakes

M2.1 earthquake 175 km S of Adak, Alaska

A magnitude 2.1 earthquake struck 175 km S of Adak, Alaska on Thu, Aug 22, 2019, 7:14 PM HADT (04:14 UTC), 23 km (14 mi) below the surface.

A larger quake followed: M5.4 166 km SSW of Adak, Alaska. This one was a foreshock.

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

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The earthquake

Magnitude
2.1 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2019-08-23 04:14:01 UTC
Depth
23.0 km (14.3 mi), shallow
Epicenter
50.299° N, 176.748° 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.

Stations used
16

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 2.5136 km SSW of Adak, Alaska · 2590 days ago · 10 km deep · 86 km away
  2. 2.6136 km SSW of Adak, Alaska · 2590 days ago · 10 km deep · 91 km away
  3. 1.898 km S of Adak, Alaska · 2590 days ago · 42 km deep · 77 km away
  4. 1.9125 km SW of Adak, Alaska · 2589 days ago · 40 km deep · 96 km away
  5. 5.4166 km SSW of Adak, Alaska · 2579 days ago · 10 km deep · 33 km away · felt by 1 · tsunami flag
  6. 1.8186 km S of Adak, Alaska · 2579 days ago · 12 km deep · 26 km away
  7. 2.2198 km S of Adak, Alaska · 2579 days ago · 10 km deep · 33 km away
  8. 3.6166 km SSW of Adak, Alaska · 2579 days ago · 10 km deep · 42 km away
  9. 1.6160 km SSW of Adak, Alaska · 2579 days ago · 25 km deep · 33 km away
  10. 1.7166 km SSW of Adak, Alaska · 2579 days ago · 48 km deep · 29 km away
  11. 1.690 km S of Adak, Alaska · 2553 days ago · 37 km deep · 89 km away
  12. 2.384 km S of Adak, Alaska · 2551 days ago · 25 km deep · 92 km away
  13. 2.097 km SSE of Adak, Alaska · 2549 days ago · 15 km deep · 93 km away
  14. 2.5196 km S of Adak, Alaska · 2546 days ago · 10 km deep · 21 km away

Before

  1. 3.176 km S of Adak, Alaska · 2600 days ago · 21 km deep · 99 km away
  2. 2.6104 km SSE of Adak, Alaska · 2607 days ago · 10 km deep · 83 km away
  3. 2.5164 km S of Adak, Alaska · 2616 days ago · 10 km deep · 18 km away
  4. 2.8182 km S of Adak, Alaska · 2618 days ago · 10 km deep · 33 km away
  5. 2.297 km S of Adak, Alaska · 2620 days ago · 10 km deep · 78 km away
  6. 1.7153 km S of Adak, Alaska · 2625 days ago · 18 km deep · 25 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak019aspraly. Read Thu, Oct 1, 2026, 11:21 PM UTC.