M2.7 earthquake 187 km S of Yakutat, Alaska
A magnitude 2.7 earthquake struck 187 km S of Yakutat, Alaska on Thu, Oct 28, 2021, 3:49 AM AKDT (11:49 UTC), 10 km (6 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.7 (ml), micro
- Local time
- UTC
- 2021-10-28 11:49:35 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 57.865° N, 139.477° 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 6.7 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- Operator assigned
- Station coverage gap
- 234°, poorly surrounded by stations
- Stations used
- 17
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 4 in the 30 days before it.
After
- 2.296 km W of Elfin Cove, Alaska · 1752 days ago · 10 km deep · 96 km away
- 2.498 km SSE of Yakutat, Alaska · 1752 days ago · 1 km deep · 99 km away
- 2.094 km W of Elfin Cove, Alaska · 1741 days ago · 24 km deep · 99 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000g9py (also filed as ak021dtzltg3). Read Wed, Sep 30, 2026, 1:51 AM UTC.