M2.6 earthquake 237 km SSW of Adak, Alaska
A magnitude 2.6 earthquake struck 237 km SSW of Adak, Alaska on Thu, Aug 8, 2024, 7:50 AM HADT (16:50 UTC), 18 km (11 mi) below the surface.
A larger quake followed: M4.0 250 km SSW of Adak, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.6 (ML, local (Richter)), micro
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2024-08-08 16:50:56 UTC
- Depth
- 17.8 km (11.1 mi), shallow
- Epicenter
- 49.812° N, 177.500° 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 |
|---|---|---|---|
| 2.6 | ML, local (Richter) | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.115 · 10 stations |
| 2.2 | 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 11.3 km horizontally, 10.1 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- From location
- Station coverage gap
- 310°, poorly surrounded by stations
- Stations used
- 13
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 2.8240 km SSW of Adak, Alaska · 778 days ago · 10 km deep · 15 km away
- 4.0250 km SSW of Adak, Alaska · 774 days ago · 10 km deep · 55 km away
- 2.3220 km SSW of Adak, Alaska · 761 days ago · 27 km deep · 43 km away
- 3.2181 km SSW of Adak, Alaska · 747 days ago · 10 km deep · 76 km away
- 2.4150 km S of Adak, Alaska · 739 days ago · 10 km deep · 92 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000nsx4 (also filed as ak024a5rlh2y). Read Fri, Oct 2, 2026, 5:45 AM UTC.