M2.9 earthquake 69 km SE of Chiniak, Alaska
A magnitude 2.9 earthquake struck 69 km SE of Chiniak, Alaska on Thu, Oct 19, 2017, 11:41 PM AKDT (07:41 UTC), 41 km (25 mi) below the surface.
A larger quake followed: M4.1 23 km SW of Womens Bay, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.9 (ML, local (Richter)), micro
- Magnitude from
- Alaska Earthquake Center
- Local time
- UTC
- 2017-10-20 07:41:10 UTC
- Depth
- 40.9 km (25.4 mi), shallow
- Epicenter
- 57.253° N, 151.340° 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 |
|---|---|---|---|
| 2.9 | ML, local (Richter) | Alaska Earthquake Center | Preferred · Preliminary |
| 2.9 | ML, local (Richter) | USGS National Earthquake Information Center | Reviewed |
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Stations used
- 63
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 1 in the 30 days before it.
After
- 3.1154 km SE of Chiniak, Alaska · 3267 days ago · 10 km deep · 87 km away
- 1.9126 km ESE of Chiniak, Alaska · 3255 days ago · 25 km deep · 59 km away
- 4.123 km SW of Womens Bay, Alaska · 3250 days ago · 42 km deep · 100 km away · felt by 5 · tsunami flag
- 2.125 km SSW of Womens Bay, Alaska · 3249 days ago · 38 km deep · 96 km away
- 2.05 km N of Kodiak Station, Alaska · 3248 days ago · 40 km deep · 98 km away
- 1.972 km ENE of Chiniak, Alaska · 3219 days ago · 25 km deep · 72 km away
- 2.473 km ESE of Chiniak, Alaska · 3215 days ago · 10 km deep · 16 km away
- 2.046 km ENE of Ouzinkie, Alaska · 3212 days ago · 9 km deep · 95 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event ak017dgovj3n (also filed as ak17090579, us1000aw5l). Read Sat, Oct 3, 2026, 2:07 PM UTC.