M2.8 earthquake 15 km N of False Pass, Alaska
A magnitude 2.8 earthquake struck 15 km N of False Pass, Alaska on Mon, Mar 21, 2016, 12:48 AM AKDT (08:48 UTC), 161 km (100 mi) below the surface.
A larger quake followed: M4.5 72 km SSE 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
- 2.8 (ML, local (Richter)), micro
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2016-03-21 08:48:15 UTC
- Depth
- 161.0 km (100.0 mi), intermediate-depth
- Epicenter
- 54.988° N, 163.379° 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 |
|---|---|---|---|
| 2.8 | ML, local (Richter) | USGS National Earthquake Information Center | Preferred · Reviewed · 21 stations |
| 2.8 | 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 15.1 km horizontally, 2.4 km in depth
- Stations used
- 21
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 27 in the 60 days after this one and 15 in the 30 days before it.
After
- 2.268 km S of False Pass, Alaska · 3848 days ago · 39 km deep · 83 km away
- 4.184 km NW of Cold Bay, Alaska · 3847 days ago · 183 km deep · 77 km away
- 2.462 km S of False Pass, Alaska · 3847 days ago · 61 km deep · 77 km away
- 4.572 km SSE of False Pass, Alaska · 3846 days ago · 53 km deep · 85 km away
- 1.8Unimak Island region, Alaska · 3845 days ago · 62 km deep · 87 km away
- 2.116 km SW of False Pass, Alaska · 3844 days ago · 18 km deep · 29 km away
- 2.344 km SSE of False Pass, Alaska · 3844 days ago · 70 km deep · 57 km away
- 2.468 km S of King Cove, Alaska · 3841 days ago · 26 km deep · 87 km away
- 2.382 km S of King Cove, Alaska · 3834 days ago · 4 km deep · 93 km away
- 2.250 km SSW of False Pass, Alaska · 3832 days ago · 18 km deep · 64 km away
- 2.537 km S of False Pass, Alaska · 3829 days ago · 9 km deep · 52 km away
- 2.0Alaska Peninsula · 3825 days ago · 49 km deep · 84 km away
- 2.656 km SSW of King Cove, Alaska · 3823 days ago · 13 km deep · 69 km away
- 2.840 km S of King Cove, Alaska · 3811 days ago · 89 km deep · 81 km away
- 3.784 km W of False Pass, Alaska · 3810 days ago · 187 km deep · 90 km away
- 2.429 km SW of King Cove, Alaska · 3809 days ago · 109 km deep · 45 km away
- 2.150 km W of False Pass, Alaska · 3805 days ago · 104 km deep · 54 km away
- 2.069 km SSW of False Pass, Alaska · 3804 days ago · 67 km deep · 83 km away
- 2.759 km SW of False Pass, Alaska · 3804 days ago · 73 km deep · 73 km away
- 2.376 km S of King Cove, Alaska · 3797 days ago · 55 km deep · 92 km away
- 2.838 km S of False Pass, Alaska · 3797 days ago · 78 km deep · 53 km away
- 3.569 km SSE of False Pass, Alaska · 3796 days ago · 50 km deep · 83 km away
- 2.629 km WSW of Cold Bay, Alaska · 3793 days ago · 162 km deep · 18 km away
- 2.549 km SSW of King Cove, Alaska · 3793 days ago · 11 km deep · 59 km away
- 2.673 km SSE of False Pass, Alaska · 3792 days ago · 39 km deep · 87 km away
- 2.851 km SSE of King Cove, Alaska · 3791 days ago · 25 km deep · 96 km away
- 2.455 km W of False Pass, Alaska · 3790 days ago · 148 km deep · 57 km away
Before
- 1.941 km SSW of False Pass, Alaska · 3853 days ago · 82 km deep · 56 km away
- 3.351 km S of King Cove, Alaska · 3856 days ago · 28 km deep · 81 km away
- 2.151 km SE of False Pass, Alaska · 3859 days ago · 62 km deep · 62 km away
- 2.031 km ENE of King Cove, Alaska · 3863 days ago · 100 km deep · 99 km away
- 2.853 km SSE of False Pass, Alaska · 3864 days ago · 74 km deep · 67 km away
- 2.381 km SSW of False Pass, Alaska · 3867 days ago · 56 km deep · 96 km away
- 2.581 km S of False Pass, Alaska · 3868 days ago · 49 km deep · 96 km away
- 2.371 km SSW of False Pass, Alaska · 3868 days ago · 54 km deep · 86 km away
- 3.240 km SW of King Cove, Alaska · 3869 days ago · 13 km deep · 46 km away
- 2.155 km SSE of King Cove, Alaska · 3873 days ago · 21 km deep · 99 km away
- 3.527 km NNE of King Cove, Alaska · 3876 days ago · 149 km deep · 88 km away
- 2.978 km SSE of False Pass, Alaska · 3876 days ago · 35 km deep · 91 km away
- 2.510 km WNW of Cold Bay, Alaska · 3877 days ago · 129 km deep · 40 km away
- 2.128 km S of False Pass, Alaska · 3878 days ago · 7 km deep · 43 km away
- 2.565 km W of False Pass, Alaska · 3879 days ago · 138 km deep · 68 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20005cy9 (also filed as ak13126702, ak0163q3kwda). Read Sun, Oct 4, 2026, 3:14 AM UTC.