M3.0 earthquake 25 km SW of Ester, Alaska
A magnitude 3.0 earthquake struck 25 km SW of Ester, Alaska on Mon, May 21, 1979, 1:05 AM GMT-9 (10:05 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M3.6 53 km SW of Harding-Birch Lakes, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.0 (ml), minor
- Local time
- UTC
- 1979-05-21 10:05:11 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 64.706° N, 148.431° 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
- 5
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 5 in the 30 days before it.
After
- 3.653 km SW of Harding-Birch Lakes, Alaska · 17273 days ago · 33 km deep · 98 km away
- 3.320 km ENE of Healy, Alaska · 17257 days ago · 118 km deep · 87 km away
- 3.040 km W of Clear, Alaska, Alaska · 17248 days ago · 33 km deep · 95 km away
Before
- 3.211 km SSW of Salcha, Alaska · 17291 days ago · 34 km deep · 74 km away
- 3.215 km SW of Salcha, Alaska · 17294 days ago · 28 km deep · 72 km away
- 3.07 km S of Badger, Alaska · 17296 days ago · 14 km deep · 42 km away
- 3.016 km W of Four Mile Road, Alaska · 17314 days ago · 28 km deep · 50 km away
- 3.333 km NNE of Four Mile Road, Alaska · 17317 days ago · 11 km deep · 27 km away
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00010sk. Read Tue, Sep 22, 2026, 2:45 PM UTC.