M2.7 earthquake 9 km SW of Gateway, Alaska
A magnitude 2.7 earthquake struck 9 km SW of Gateway, Alaska on Wed, Jun 21, 1978, 5:22 PM GMT-9 (02:22 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M3.5 7 km SW 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
- 2.7 (ml), micro
- Local time
- UTC
- 1978-06-22 02:22:07 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 61.502° N, 149.348° 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
- 17
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 3.57 km SW of Susitna North, Alaska · 17603 days ago · 40 km deep · 75 km away
- 2.921 km SSW of Susitna North, Alaska · 17597 days ago · 33 km deep · 63 km away
- 2.624 km SW of Trapper Creek, Alaska · 17581 days ago · 33 km deep · 95 km away
- 4.115 km NNE of Susitna North, Alaska · 17572 days ago · 65 km deep · 89 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000v7j. Read Tue, Sep 22, 2026, 6:03 AM UTC.