Earthquake reference
52 km SSW of Harding-Birch Lakes, Alaska
USGS recorded this 1.4 magnitude event near 52 km SSW of Harding-Birch Lakes, Alaska at 2026-09-21T14:15:25.037000+00:00. The published hypocentral depth is 6 km and the review status is reviewed. Event parameters can be revised as additional observations are processed. Nearby airports and postal locations on this page are calculated spatial references only; they do not establish administrative jurisdiction, damage, causation or future risk. This record is not an earthquake forecast or emergency alert.
Key facts
- Magnitude
- 1.4
- Magnitude type
- ml
- Occurred at
- 2026-09-21T14:15:25.037000+00:00
- Updated at
- 2026-09-29T19:22:15.414000+00:00
- Review status
- reviewed
- Event type
- earthquake
- Tsunami flag
- No
- Significance
- 30
- Network
- ak
- Latitude
- 63.926
- Longitude
- -146.937
- Depth (km)
- 6
- USGS event page
- https://earthquake.usgs.gov/earthquakes/eventpage/aka2026sswheg
Upstream revision context
USGS event revision
This timeline contains versions captured by DataOfWorld; it is not a complete official revision archive.
| Updated | Status | Payload digest |
|---|---|---|
| 2026-09-29T19:22:15.414000+00:00 | reviewed | 4e61b6794e98 |
Associated event IDs: aka2026sswheg
Field-level provenance
Sources for this profile
Dates and licenses apply to the specific facts and series supplied by each source.
USGS Earthquake Hazards Program
- Applicable date
- 2026-09-21
- Dataset version
- f21d1cd57aee
- License
- United States public domain
- Attribution
- U.S. Geological Survey
DataOfWorld deterministic earthquake profile template
- Applicable date
- 2026-09-21
- Dataset version
- earthquake-profile-v1
- License
- Original DataOfWorld text
- Attribution
- DataOfWorld
Reference data can change. Verify consequential decisions against the original source.