QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem901402
USGS iscgem901402

5 Jun 1940, 12:01

76 km SSW of Fort McPherson, Canada

A magnitude 6.5 mw earthquake at 10 km depth.

Depth10 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated26 April 2022Latest timestamp stored in this record

Published location

Where is 76 km SSW of Fort McPherson, Canada?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

66.830000, -135.688000

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.

Open the USGS event →

Continue exploring

Nearby events with a similar magnitude

M 6.35

253 km SSE of Fort McPherson, Canada

M 6.31

250 km SSE of Fort McPherson, Canada

M 6.3

67 km SSW of Fort McPherson, Canada

M 5.1

250 km E of Dawson City, Canada

M 5

221 km S of Fort McPherson, Canada

Catalog fields and provenance
Event ID
iscgem901402
Coordinates
66.83, -135.688
Network
iscgem
Significance
650