M1.8 earthquake 55 km NW of Rampart, Alaska
A magnitude 1.8 earthquake struck 55 km NW of Rampart, Alaska on Thu, May 20, 2021, 10:04 PM AKDT (06:04 UTC), 7 km (4 mi) below the surface.
Automatic solution: the magnitude and location may still be revised.
A larger quake followed: M2.3 18 km WNW of Tanana, 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, local (Richter)), micro
- Magnitude from
- Alaska Earthquake Center
- Local time
- UTC
- 2021-05-21 06:04:48 UTC
- Depth
- 7.0 km (4.3 mi), shallow
- Epicenter
- 65.868° N, 150.984° W
- Region
- Alaska
- Tsunami flag
- No
- Status
- Automatic solution, may be revised
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
An automatic solution; a seismologist may revise it.
- Stations used
- 14
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
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
- 1.869 km ESE of New Allakaket, Alaska · 1963 days ago · 1 km deep · 44 km away
- 1.520 km W of Manley Hot Springs, Alaska · 1952 days ago · 7 km deep · 99 km away
- 1.939 km NW of Stevens Village, Alaska · 1951 days ago · 17 km deep · 70 km away
- 1.959 km WNW of Rampart, Alaska · 1942 days ago · 16 km deep · 18 km away
- 2.318 km WNW of Tanana, Alaska · 1927 days ago · 15 km deep · 98 km away
- 1.551 km NW of Rampart, Alaska · 1922 days ago · 4 km deep · 3 km away
- 1.519 km W of Manley Hot Springs, Alaska · 1919 days ago · 18 km deep · 98 km away
- 2.113 km NNW of Stevens Village, Alaska · 1917 days ago · 16 km deep · 87 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak0216hadi1b. Read Mon, Oct 5, 2026, 7:29 AM UTC.