Alaska earthquakes

M2.8 earthquake 66 km ENE of Ruby, Alaska

A magnitude 2.8 earthquake struck 66 km ENE of Ruby, Alaska on Mon, May 3, 2021, 8:25 AM AKDT (16:25 UTC), 10 km (6 mi) below the surface.

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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), micro
Local time
UTC
2021-05-03 16:25:09 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
64.960° N, 154.191° 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 2.8 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.04
Depth from
Operator assigned
Station coverage gap
59°
Stations used
16

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.970 km NNW of Lake Minchumina, Alaska · 1963 days ago · 3 km deep · 91 km away
  2. 2.289 km SW of Tanana, Alaska · 1953 days ago · 11 km deep · 61 km away
  3. 2.230 km W of Tanana, Alaska · 1937 days ago · 11 km deep · 72 km away · felt by 1
  4. 2.318 km WNW of Tanana, Alaska · 1921 days ago · 15 km deep · 87 km away
  5. 2.252 km SSW of Tanana, Alaska · 1915 days ago · 11 km deep · 88 km away

Before

  1. 2.665 km ENE of Ruby, Alaska · 1975 days ago · 13 km deep · 3 km away
  2. 1.545 km SSW of Tanana, Alaska · 1978 days ago · 13 km deep · 86 km away
  3. 1.945 km SSW of Tanana, Alaska · 1978 days ago · 4 km deep · 84 km away
  4. 1.745 km SSW of Tanana, Alaska · 1978 days ago · 0 km deep · 84 km away
  5. 2.343 km SSW of Tanana, Alaska · 1978 days ago · 9 km deep · 88 km away · felt by 1
  6. 4.340 km SSW of Tanana, Alaska · 1978 days ago · 19 km deep · 86 km away · felt by 6
  7. 2.364 km WNW of Tanana, Alaska · 1982 days ago · 10 km deep · 61 km away
  8. 2.866 km NW of Lake Minchumina, Alaska · 1986 days ago · 14 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000dzqh. Read Tue, Sep 29, 2026, 2:15 PM UTC.