M2.7 earthquake 269 km SW of Adak, Alaska
A magnitude 2.7 earthquake struck 269 km SW of Adak, Alaska on Wed, Jun 6, 2018, 4:13 PM GMT-12 (04:13 UTC), 33 km (20 mi) below the surface.
A larger quake followed: M2.8 273 km SW 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
- 2.7 (ML, local (Richter)), micro
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-06-07 04:13:49 UTC
- Depth
- 32.8 km (20.4 mi), shallow
- Epicenter
- 50.081° N, 179.207° 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 |
|---|---|---|---|
| 2.7 | ML, local (Richter) | USGS National Earthquake Information Center | Preferred · Reviewed |
| 2.7 | 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 8.9 km horizontally, 29.8 km in depth
- Depth from
- From location
- Station coverage gap
- 269°, poorly surrounded by stations
- Stations used
- 24
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 3 in the 30 days before it.
After
- 2.3214 km WSW of Adak, Alaska · 3015 days ago · 11 km deep · 97 km away
- 2.2282 km SW of Adak, Alaska · 2992 days ago · 12 km deep · 22 km away
- 2.8273 km SW of Adak, Alaska · 2988 days ago · 22 km deep · 34 km away
- 2.6217 km WSW of Adak, Alaska · 2985 days ago · 10 km deep · 90 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000esuk (also filed as ak19771544, ak01879ddgmf). Read Fri, Oct 2, 2026, 6:46 AM UTC.