M5.4 earthquake 192 km WSW of Adak, Alaska
A magnitude 5.4 earthquake struck 192 km WSW of Adak, Alaska on Tue, Feb 13, 1973, 8:53 AM GMT-11 (19:53 UTC), 46 km (29 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.4 (mb, body-wave), moderate
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1973-02-13 19:53:53 UTC
- Depth
- 46.0 km (28.6 mi), shallow
- Epicenter
- 51.245° N, 179.215° 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 |
|---|---|---|---|
| 5.4 | mb, body-wave | USGS National Earthquake Information Center | Preferred · Reviewed |
| 5.55 | Mw, moment | ISC-GEM global catalog | Final · ±0.27 |
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
- 92
Nearby
Within 100 km, magnitude 2.4 and up: 7 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.3183 km WSW of Adak, Alaska · 19572 days ago · 47 km deep · 13 km away
- 4.6183 km W of Adak, Alaska · 19565 days ago · 103 km deep · 71 km away
- 3.8272 km WSW of Adak, Alaska · 19565 days ago · 38 km deep · 84 km away
- 4.9196 km WSW of Adak, Alaska · 19551 days ago · 40 km deep · 7 km away
- 4.2209 km WSW of Adak, Alaska · 19551 days ago · 51 km deep · 19 km away
- 5.0134 km WSW of Adak, Alaska · 19536 days ago · 50 km deep · 57 km away
- 3.8224 km W of Adak, Alaska · 19530 days ago · 111 km deep · 69 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00000h0 (also filed as iscgem763899). Read Thu, Oct 1, 2026, 10:46 AM UTC.