Alaska earthquakes

M2.9 earthquake 218 km SSW of Adak, Alaska

A magnitude 2.9 earthquake struck 218 km SSW of Adak, Alaska on Sat, Aug 15, 2020, 9:51 PM HADT (06:51 UTC), 10 km (6 mi) below the surface.

More in Alaska

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
2.9 (ml), micro
Local time
UTC
2020-08-16 06:51:00 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
49.993° N, 177.514° 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.

Location uncertainty
About 4.1 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.12
Depth from
Operator assigned
Station coverage gap
280°, poorly surrounded by stations
Stations used
24

Nearby

Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 2.8178 km S of Adak, Alaska · 2228 days ago · 10 km deep · 69 km away
  2. 2.1180 km S of Adak, Alaska · 2224 days ago · 26 km deep · 91 km away
  3. 2.3186 km SSW of Adak, Alaska · 2201 days ago · 26 km deep · 36 km away
  4. 1.7142 km SSW of Adak, Alaska · 2187 days ago · 56 km deep · 90 km away

Before

  1. 1.7163 km SSW of Adak, Alaska · 2237 days ago · 52 km deep · 57 km away
  2. 3.0172 km SSW of Adak, Alaska · 2242 days ago · 23 km deep · 46 km away
  3. 3.3182 km SSW of Adak, Alaska · 2242 days ago · 32 km deep · 37 km away
  4. 2.0160 km S of Adak, Alaska · 2260 days ago · 4 km deep · 92 km away
  5. 2.7167 km S of Adak, Alaska · 2260 days ago · 10 km deep · 88 km away
  6. 1.6198 km S of Adak, Alaska · 2263 days ago · 17 km deep · 59 km away
  7. 1.5179 km S of Adak, Alaska · 2263 days ago · 8 km deep · 74 km away
  8. 2.0193 km S of Adak, Alaska · 2263 days ago · 12 km deep · 32 km away
  9. 3.0190 km S of Adak, Alaska · 2263 days ago · 10 km deep · 45 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000bfzz (also filed as ak020aity0gm). Read Tue, Sep 29, 2026, 3:17 AM UTC.