M3.0 earthquake 131 km NNE of Atka, Alaska
A magnitude 3.0 earthquake struck 131 km NNE of Atka, Alaska on Tue, May 9, 2023, 6:50 PM HADT (03:50 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.3 99 km NNE of Atka, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.0 (ML, local (Richter)), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-05-10 03:50:53 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 53.215° N, 173.216° 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. | Scale | Computed by | Notes |
|---|---|---|---|
| 3.0 | ML, local (Richter) | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.105 · 12 stations |
| 2.9 | ML, local (Richter) | Alaska Earthquake Center | Preliminary |
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 7.3 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- Operator assigned
- Station coverage gap
- 191°, poorly surrounded by stations
- Stations used
- 16
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.399 km NNE of Atka, Alaska · 1234 days ago · 245 km deep · 41 km away · felt by 1
- 3.894 km E of Atka, Alaska · 1225 days ago · 209 km deep · 99 km away
- 3.481 km NE of Atka, Alaska · 1219 days ago · 180 km deep · 51 km away
- 2.0142 km N of Atka, Alaska · 1203 days ago · 33 km deep · 65 km away
- 2.994 km NE of Atka, Alaska · 1203 days ago · 76 km deep · 39 km away
- 3.8132 km ENE of Atka, Alaska · 1194 days ago · 146 km deep · 84 km away
- 3.967 km N of Atka, Alaska · 1190 days ago · 228 km deep · 86 km away
- 4.1108 km NE of Atka, Alaska · 1189 days ago · 187 km deep · 51 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000kccs (also filed as ak0235z1y959). Read Thu, Oct 1, 2026, 5:01 PM UTC.