M4.5 earthquake 114 km SE of Chignik, Alaska
A magnitude 4.5 earthquake struck 114 km SE of Chignik, Alaska on Tue, Feb 13, 1979, 1:32 AM GMT-10 (11:32 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.0 129 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
- 4.5 (mb), light
- Local time
- UTC
- 1979-02-13 11:32:12 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 55.692° N, 156.922° 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
- 11
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 4 in the 30 days before it.
After
- 5.0129 km SE of Chignik, Alaska · 17395 days ago · 33 km deep · 31 km away
- 3.5128 km SE of Chignik, Alaska · 17395 days ago · 33 km deep · 25 km away
- 4.4133 km SE of Chignik, Alaska · 17395 days ago · 33 km deep · 26 km away
- 4.4south of Alaska · 17394 days ago · 33 km deep · 28 km away
- 4.5122 km SE of Chignik, Alaska · 17391 days ago · 33 km deep · 20 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000yu7. Read Tue, Sep 29, 2026, 9:53 AM UTC.