M4.6 earthquake 222 km SSW of Nikolski, Alaska
A magnitude 4.6 earthquake struck 222 km SSW of Nikolski, Alaska on Wed, Nov 15, 2017, 7:20 AM HAST (17:20 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
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-11-15 17:20:03 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 51.010° N, 169.693° 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 |
|---|---|---|---|
| 4.6 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed · ±0.033 · 272 stations |
| 4.6 | mb, body-wave | 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 6.1 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.03
- Depth from
- Operator assigned
- Station coverage gap
- 98°
- Stations used
- 116
Nearby
Within 100 km, magnitude 1.6 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 2.7158 km S of Nikolski, Alaska · 3220 days ago · 25 km deep · 99 km away
- 3.5170 km S of Nikolski, Alaska · 3218 days ago · 10 km deep · 93 km away
- 3.6286 km SSW of Nikolski, Alaska · 3183 days ago · 17 km deep · 86 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000bp01 (also filed as ak17231837, ak017enuodqf). Read Thu, Oct 1, 2026, 7:49 PM UTC.