M2.5 earthquake 202 km SSE of Adak, Alaska
A magnitude 2.5 earthquake struck 202 km SSE of Adak, Alaska on Sat, Aug 10, 2019, 5:41 PM HADT (02:41 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M2.6 174 km S 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
- 2.5 (ML, local (Richter)), micro
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2019-08-11 02:41:57 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 50.306° N, 175.160° 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.
- Location uncertainty
- About 3.2 km horizontally, 2.0 km in depth
- Depth from
- Operator assigned
- Station coverage gap
- 272°, poorly surrounded by stations
- Stations used
- 20
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 3 in the 30 days before it.
After
- 2.1166 km S of Atka, Alaska · 2607 days ago · 23 km deep · 85 km away
- 2.1196 km S of Atka, Alaska · 2595 days ago · 10 km deep · 69 km away
- 2.6174 km S of Atka, Alaska · 2563 days ago · 10 km deep · 71 km away
- 2.5209 km SSE of Adak, Alaska · 2559 days ago · 10 km deep · 10 km away
- 2.6south of the Aleutian Islands · 2553 days ago · 15 km deep · 100 km away
- 1.9196 km S of Atka, Alaska · 2553 days ago · 20 km deep · 85 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70005g1x. Read Thu, Oct 1, 2026, 10:24 PM UTC.