M2.6 earthquake 24 km SW of Trapper Creek, Alaska
A magnitude 2.6 earthquake struck 24 km SW of Trapper Creek, Alaska on Thu, Aug 3, 1978, 5:07 PM GMT-9 (02:07 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.1 15 km NNE of Susitna North, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.6 (ml), micro
- Local time
- UTC
- 1978-08-04 02:07:33 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 62.144° N, 150.530° 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
- 20
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.115 km NNE of Susitna North, Alaska · 17572 days ago · 65 km deep · 45 km away
- 4.048 km SW of Skwentna, Alaska · 17563 days ago · 123 km deep · 93 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000vxe. Read Tue, Sep 22, 2026, 9:16 AM UTC.