M2.3 earthquake 202 km SSW of Adak, Alaska
A magnitude 2.3 earthquake struck 202 km SSW of Adak, Alaska on Mon, Jul 25, 2016, 11:07 AM HADT (20:07 UTC), 8 km (5 mi) below the surface.
A larger quake followed: M4.1 155 km S 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
- 2.3 (ML, local (Richter)), micro
- Magnitude from
- Alaska Earthquake Center
- Local time
- UTC
- 2016-07-25 20:07:50 UTC
- Depth
- 7.9 km (4.9 mi), shallow
- Epicenter
- 50.103° N, 177.299° 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.
- Stations used
- 11
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 4 in the 30 days before it.
After
- 1.6110 km SSW of Adak, Alaska · 3711 days ago · 36 km deep · 92 km away
- 2.1167 km SSW of Adak, Alaska · 3709 days ago · 56 km deep · 57 km away
- 3.9170 km SSW of Adak, Alaska · 3707 days ago · 10 km deep · 32 km away
- 2.4167 km S of Adak, Alaska · 3703 days ago · 65 km deep · 41 km away
- 2.7228 km SSW of Adak, Alaska · 3698 days ago · 10 km deep · 31 km away
- 2.1157 km S of Adak, Alaska · 3690 days ago · 25 km deep · 57 km away
- 4.1155 km S of Adak, Alaska · 3683 days ago · 10 km deep · 53 km away
- 2.5213 km S of Adak, Alaska · 3677 days ago · 33 km deep · 19 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak0169io747s (also filed as ak13823630). Read Sun, Oct 4, 2026, 3:54 PM UTC.