M5.1 earthquake 116 km SE of Chignik, Alaska
A magnitude 5.1 earthquake struck 116 km SE of Chignik, Alaska on Mon, Feb 12, 1979, 5:44 AM GMT-10 (15:44 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M6.7 121 km SE of Chignik, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.1 (mb), moderate
- Local time
- UTC
- 1979-02-12 15:44:30 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 55.501° N, 157.198° W
- Region
- Alaska
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
- Stations used
- 126
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.1 and up: 9 in the 60 days after this one and 0 in the 30 days before it.
After
- 6.7121 km SE of Chignik, Alaska · 17397 days ago · 33 km deep · 6 km away
- 4.4127 km SE of Chignik, Alaska · 17397 days ago · 33 km deep · 23 km away
- 4.8118 km SE of Chignik, Alaska · 17397 days ago · 33 km deep · 31 km away
- 4.5114 km SE of Chignik, Alaska · 17397 days ago · 33 km deep · 27 km away
- 5.0129 km SE of Chignik, Alaska · 17397 days ago · 33 km deep · 13 km away
- 3.5128 km SE of Chignik, Alaska · 17396 days ago · 33 km deep · 14 km away
- 4.4133 km SE of Chignik, Alaska · 17396 days ago · 33 km deep · 21 km away
- 4.4south of Alaska · 17396 days ago · 33 km deep · 20 km away
- 4.5122 km SE of Chignik, Alaska · 17393 days ago · 33 km deep · 12 km away
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000ytn (also filed as iscgem669667). Read Thu, Oct 1, 2026, 2:13 AM UTC.