M5.9 earthquake 202 km WSW of Adak, Alaska
A magnitude 5.9 earthquake struck 202 km WSW of Adak, Alaska on Wed, May 14, 1930, 8:32 AM GMT-11 (19:32 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M6.5 280 km W of Adak, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.9 (mw), moderate
- Local time
- UTC
- 1930-05-14 19:32:06 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 51.275° N, 179.393° 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
- ±0.22
- Depth from
- From location
Nearby
Within 100 km, magnitude 2.5 and up: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem907391. Read Tue, Sep 22, 2026, 3:15 PM UTC.