M5.2 earthquake 112 km SW of Nikolski, Alaska
A magnitude 5.2 earthquake struck 112 km SW of Nikolski, Alaska on Mon, Nov 17, 1997, 3:58 AM HAST (13:58 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.2 (Mwc, centroid moment), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1997-11-17 13:58:53 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 52.265° N, 170.102° 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 |
|---|---|---|---|
| 5.2 | Mwc, centroid moment | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.12 | Mw, moment | ISC-GEM global catalog | Final · ±0.1 |
| 5.1 | Mwc, centroid moment | Global CMT project | Preliminary |
| 5.1 | Mw, moment | Alaska Earthquake Center | Preliminary |
Did you feel it?
No one has reported feeling this quake to the USGS.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Reverse (thrust)
- Nodal plane 1
- Strike 240°, dip 29°, rake 78°
- Nodal plane 2
- Strike 74°, dip 62°, rake 97°
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.2 and up: 9 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.599 km SW of Nikolski, Alaska · 10548 days ago · 33 km deep · 20 km away
- 5.2114 km SW of Nikolski, Alaska · 10543 days ago · 33 km deep · 26 km away
- 5.1129 km SSW of Nikolski, Alaska · 10542 days ago · 33 km deep · 38 km away
- 3.6149 km SW of Nikolski, Alaska · 10527 days ago · 33 km deep · 40 km away
- 3.4112 km SW of Nikolski, Alaska · 10526 days ago · 33 km deep · 15 km away
- 3.8144 km SW of Nikolski, Alaska · 10525 days ago · 33 km deep · 35 km away
- 3.662 km SW of Nikolski, Alaska · 10521 days ago · 33 km deep · 50 km away
- 4.8125 km SW of Nikolski, Alaska · 10505 days ago · 33 km deep · 27 km away
- 3.9122 km SW of Nikolski, Alaska · 10499 days ago · 33 km deep · 16 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0008aug (also filed as gcmtb111797f, gcmt19971117135853, ak997er3lkx7, iscgem1052964). Read Mon, Oct 5, 2026, 2:29 AM UTC.