M5.9 earthquake 132 km SSW of Hydaburg, Alaska
A magnitude 5.9 earthquake struck 132 km SSW of Hydaburg, Alaska on Thu, Aug 30, 1984, 4:28 AM AKDT (12:28 UTC), 10 km (6 mi) below the surface.
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
- 1984-08-30 12:28:39 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 54.113° N, 133.639° 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
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00026vf (also filed as gcmtb083084a, gcmt19840830122839, iscgem547949). Read Tue, Sep 22, 2026, 8:59 PM UTC.