M3.0 earthquake 205 km S of Atka, Alaska
A magnitude 3.0 earthquake struck 205 km S of Atka, Alaska on Sat, Mar 16, 2024, 2:50 AM HADT (11:50 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M3.3 129 km SSW 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
- 2024-03-16 11:50:16 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 50.367° N, 174.586° 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 8.2 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- Operator assigned
- Station coverage gap
- 287°, poorly surrounded by stations
- Stations used
- 13
Nearby
Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 4 in the 30 days before it.
After
- 3.0164 km S of Atka, Alaska · 926 days ago · 10 km deep · 58 km away
- 2.4174 km SE of Adak, Alaska · 926 days ago · 10 km deep · 49 km away
- 2.5172 km SSE of Adak, Alaska · 924 days ago · 10 km deep · 100 km away
- 3.3129 km SSW of Atka, Alaska · 923 days ago · 10 km deep · 94 km away
- 2.8208 km S of Atka, Alaska · 919 days ago · 19 km deep · 36 km away
- 3.0106 km S of Atka, Alaska · 910 days ago · 35 km deep · 99 km away
- 2.2120 km SSW of Atka, Alaska · 906 days ago · 2 km deep · 89 km away
- 2.2223 km S of Atka, Alaska · 887 days ago · 29 km deep · 20 km away
- 2.4158 km S of Atka, Alaska · 883 days ago · 10 km deep · 56 km away
- 2.8194 km S of Atka, Alaska · 883 days ago · 10 km deep · 11 km away
- 3.3181 km SSE of Adak, Alaska · 872 days ago · 10 km deep · 49 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000mavy (also filed as ak0243hvowf7). Read Thu, Oct 1, 2026, 2:11 PM UTC.