Alaska earthquakes

M2.8 earthquake 42 km NW of Stevens Village, Alaska

A magnitude 2.8 earthquake struck 42 km NW of Stevens Village, Alaska on Wed, Oct 20, 2021, 11:28 AM AKDT (19:28 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M3.0 27 km SW of Beaver, 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
2.8 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-10-20 19:28:27 UTC
Depth
14.8 km (9.2 mi), shallow
Epicenter
66.247° N, 149.822° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
2.8ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
2.9ML, local (Richter)USGS National Earthquake Information CenterReviewed · ±0.033 · 124 stations

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
86

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 2.247 km N of Rampart, Alaska · 1807 days ago · 17 km deep · 42 km away
  2. 1.9northern Alaska · 1801 days ago · 20 km deep · 68 km away
  3. 3.027 km SW of Beaver, Alaska · 1799 days ago · 18 km deep · 86 km away
  4. 1.514 km NE of Stevens Village, Alaska · 1783 days ago · 12 km deep · 46 km away
  5. 2.355 km NW of Rampart, Alaska · 1762 days ago · 9 km deep · 66 km away
  6. 2.78 km E of Rampart, Alaska · 1756 days ago · 14 km deep · 83 km away
  7. 1.558 km WNW of Rampart, Alaska · 1753 days ago · 17 km deep · 98 km away
  8. 2.853 km NW of Stevens Village, Alaska · 1747 days ago · 12 km deep · 14 km away
  9. 1.654 km NW of Stevens Village, Alaska · 1747 days ago · 9 km deep · 14 km away

Before

  1. 1.736 km SW of Stevens Village, Alaska · 1816 days ago · 11 km deep · 54 km away
  2. 1.517 km WSW of Livengood, Alaska · 1817 days ago · 8 km deep · 99 km away
  3. 1.514 km NNE of Livengood, Alaska · 1820 days ago · 9 km deep · 94 km away
  4. 1.538 km E of Stevens Village, Alaska · 1823 days ago · 18 km deep · 74 km away
  5. 1.853 km WNW of Stevens Village, Alaska · 1826 days ago · 14 km deep · 12 km away
  6. 1.537 km N of Rampart, Alaska · 1830 days ago · 10 km deep · 47 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021dgvxzdn (also filed as us6000fw87). Read Fri, Oct 2, 2026, 2:17 AM UTC.