Data last collected:
QuakeFactsEvidence report · prepared 25 October 2026https://quakes99.com/entity/ak007by31ab8
USGS ak007by31ab8
17 Sept 2007, 06:55
277 km W of Attu Station, Alaska
A magnitude 5.4 mw earthquake at 2.5 km depth.
Published location
Where is 277 km W of Attu Station, Alaska?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
52.984600, 169.067500
Open the interactive map ↗Map data © OpenStreetMap contributors
What the numbers mean
Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.
Need a current safety answer?
Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
Continue exploring
Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
ak007by31ab8
Coordinates
52.9846, 169.0675
Network
ak
Significance
449
Use this record
Questions this evidence can answer
01What exactly is this record?
Use the name, place, date and identifiers above to confirm that you have the right 277 km W of Attu Station, Alaska earthquake: magnitude 5.4 and depth | QuakeFacts record.
02What does the evidence establish?
Read the reported values with their units, coverage dates and source notes. Keep observed facts separate from estimates or interpretation.
03What should I verify next?
Follow the primary-source links and check the limitations before using this evidence for a decision, comparison or citation.
A closer look at 277 km W of Attu Station, Alaska
Depth in another unit
The recorded event depth of 2.5 km is approximately 1.55 miles below the source reference surface. Depth alone does not describe damage or local hazard.
Interpreting the recorded coordinates
The published position for 277 km W of Attu Station, Alaska is 52.9846° north and 169.0675° east. This expresses the source coordinates in hemispheres; it does not establish an entrance, public access or a safe route.