Alaska earthquakes

M1.9 earthquake 102 km NNW of Adak, Alaska

A magnitude 1.9 earthquake struck 102 km NNW of Adak, Alaska on Tue, Sep 24, 2019, 9:48 AM HADT (18:48 UTC), 155 km (96 mi) below the surface.

A larger quake followed: M2.9 97 km WNW of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
1.9 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2019-09-24 18:48:23 UTC
Depth
154.6 km (96.1 mi), intermediate-depth
Epicenter
52.771° N, 176.954° 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
22

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 1.952 km ENE of Adak, Alaska · 2557 days ago · 120 km deep · 97 km away
  2. 1.5Andreanof Islands, Aleutian Islands, Alaska · 2556 days ago · 89 km deep · 99 km away
  3. 2.560 km NE of Adak, Alaska · 2555 days ago · 162 km deep · 81 km away
  4. 2.582 km WNW of Adak, Alaska · 2529 days ago · 121 km deep · 97 km away
  5. 1.615 km ENE of Adak, Alaska · 2523 days ago · 95 km deep · 99 km away
  6. 2.997 km WNW of Atka, Alaska · 2520 days ago · 216 km deep · 100 km away
  7. 2.015 km WNW of Adak, Alaska · 2516 days ago · 149 km deep · 93 km away
  8. 1.630 km NE of Adak, Alaska · 2515 days ago · 11 km deep · 92 km away
  9. 1.74 km N of Adak, Alaska · 2513 days ago · 81 km deep · 98 km away
  10. 2.693 km N of Adak, Alaska · 2505 days ago · 238 km deep · 21 km away

Before

  1. 2.358 km N of Adak, Alaska · 2571 days ago · 184 km deep · 53 km away
  2. 1.828 km NW of Adak, Alaska · 2579 days ago · 191 km deep · 78 km away
  3. 1.728 km ENE of Adak, Alaska · 2582 days ago · 79 km deep · 100 km away
  4. 1.611 km NE of Adak, Alaska · 2584 days ago · 104 km deep · 96 km away
  5. 4.093 km NE of Adak, Alaska · 2593 days ago · 177 km deep · 89 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak019c9vhsxy. Read Fri, Oct 2, 2026, 12:37 PM UTC.