M4.0 earthquake 145 km ESE of Alcan Border, Alaska
A magnitude 4.0 earthquake struck 145 km ESE of Alcan Border, Alaska on Fri, Feb 7, 2020, 11:23 PM PST (07:23 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
- 4.0 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-02-08 07:23:06 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 61.971° N, 138.758° W
- Region
- Canada
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Magnitude estimates
Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.
| Mag. | Scale | Computed by | Notes |
|---|---|---|---|
| 4.0 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.156 · 11 stations |
| 3.6 | ML, local (Richter) | Alaska Earthquake Center | Preliminary |
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 1.9 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- Operator assigned
- Station coverage gap
- 21°
- Stations used
- 143
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 5 in the 30 days before it.
After
- 2.1143 km SE of Alcan Border, Alaska · 2427 days ago · 4 km deep · 3 km away
- 1.7149 km WNW of Haines Junction, Canada · 2413 days ago · 9 km deep · 89 km away
- 2.1150 km E of McCarthy, Alaska · 2402 days ago · 13 km deep · 94 km away
Before
- 1.5142 km SE of Alcan Border, Alaska · 2428 days ago · 16 km deep · 5 km away
- 2.0145 km ESE of Alcan Border, Alaska · 2428 days ago · 9 km deep · 0 km away
- 1.5143 km SE of Alcan Border, Alaska · 2428 days ago · 17 km deep · 5 km away
- 2.0146 km ESE of Alcan Border, Alaska · 2428 days ago · 8 km deep · 1 km away
- 1.7146 km E of McCarthy, Alaska · 2441 days ago · 4 km deep · 96 km away
Earthquakes todayCanada earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70007lfh (also filed as ak0201sm9id2). Read Thu, Oct 1, 2026, 2:20 PM UTC.