M3.3 earthquake 241 km SSE of False Pass, Alaska
A magnitude 3.3 earthquake struck 241 km SSE of False Pass, Alaska on Thu, Mar 3, 2016, 6:03 PM AKST (03:03 UTC), 37 km (23 mi) below the surface.
A larger quake followed: M3.5 216 km S of False Pass, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.3 (mb, body-wave), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2016-03-04 03:03:53 UTC
- Depth
- 36.5 km (22.7 mi), shallow
- Epicenter
- 52.805° N, 162.212° W
- Region
- Alaska
- 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 |
|---|---|---|---|
| 3.3 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.343 · 2 stations |
| 3.1 | 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 9.6 km horizontally, 18.2 km in depth
- Magnitude uncertainty
- ±0.34
- Depth from
- From location
- Station coverage gap
- 224°, poorly surrounded by stations
- Stations used
- 39
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 2 in the 30 days before it.
After
- 3.3236 km SSE of False Pass, Alaska · 3866 days ago · 40 km deep · 5 km away
- 3.4south of Alaska · 3857 days ago · 37 km deep · 75 km away
- 2.6154 km SSE of False Pass, Alaska · 3854 days ago · 24 km deep · 89 km away
- 2.7241 km SSE of False Pass, Alaska · 3832 days ago · 24 km deep · 18 km away
- 3.5216 km S of False Pass, Alaska · 3818 days ago · 10 km deep · 50 km away
- 3.0218 km SSE of False Pass, Alaska · 3813 days ago · 10 km deep · 39 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10004wr7 (also filed as ak12967753, ak0162xw79wl). Read Sun, Oct 4, 2026, 9:16 AM UTC.