M1.8 earthquake 54 km S of Birch Creek, Alaska
A magnitude 1.8 earthquake struck 54 km S of Birch Creek, Alaska on Sat, Sep 4, 2021, 5:18 AM AKDT (13:18 UTC), 15 km (9 mi) below the surface.
A larger quake followed: M3.0 27 km SW of Beaver, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.8 (ml), micro
- Local time
- UTC
- 2021-09-04 13:18:46 UTC
- Depth
- 14.5 km (9.0 mi), shallow
- Epicenter
- 65.781° N, 146.043° 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
- 34
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 1 in the 30 days before it.
After
- 1.653 km SSE of Beaver, Alaska · 1848 days ago · 1 km deep · 46 km away
- 1.614 km ENE of Pleasant Valley, Alaska · 1846 days ago · 10 km deep · 98 km away
- 2.420 km ESE of Beaver, Alaska · 1846 days ago · 11 km deep · 69 km away
- 1.63 km E of Central, Alaska · 1844 days ago · 8 km deep · 65 km away
- 1.847 km S of Beaver, Alaska · 1836 days ago · 11 km deep · 67 km away
- 1.533 km ESE of Beaver, Alaska · 1828 days ago · 1 km deep · 57 km away
- 1.6northern Alaska · 1823 days ago · 0 km deep · 79 km away
- 1.917 km WNW of Central, Alaska · 1814 days ago · 0 km deep · 44 km away
- 1.933 km SE of Beaver, Alaska · 1811 days ago · 4 km deep · 56 km away
- 2.321 km WSW of Circle, Alaska · 1804 days ago · 15 km deep · 73 km away
- 1.625 km ENE of Livengood, Alaska · 1800 days ago · 11 km deep · 93 km away
- 3.027 km SW of Beaver, Alaska · 1795 days ago · 18 km deep · 97 km away
- 1.871 km ENE of Livengood, Alaska · 1792 days ago · 4 km deep · 47 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak021bcplbd1. Read Sun, Sep 27, 2026, 5:37 PM UTC.