M5.3 earthquake 16 km WSW of Whittier, Alaska
A magnitude 5.3 earthquake struck 16 km WSW of Whittier, Alaska on Sat, Mar 28, 1964, 5:38 PM GMT-10 (03:38 UTC), 29 km (18 mi) below the surface.
A larger quake followed: M5.7 43 km WSW of Chenega, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.3 (mw), moderate
- Local time
- UTC
- 1964-03-29 03:38:38 UTC
- Depth
- 28.9 km (18.0 mi), shallow
- Epicenter
- 60.738° N, 148.986° 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.
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.3 and up: 2 in the 60 days after this one and 3 in the 30 days before it.
After
- 5.743 km WSW of Chenega, Alaska · 22822 days ago · 15 km deep · 98 km away
- 5.412 km ESE of Lowell Point, Alaska · 22822 days ago · 26 km deep · 82 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem870025. Read Tue, Sep 22, 2026, 9:10 AM UTC.