QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/official19030602131700000
USGS official19030602131700000

2 Jun 1903, 13:17

Kuskokwim River Basin, Southwestern Alaska

A magnitude 6.9 ms earthquake at 0 km depth.

Depth0 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated2 May 2024Latest timestamp stored in this record

Published location

Where is Kuskokwim River Basin, Southwestern 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.

61.780000, -157.720000

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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.

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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.

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Catalog fields and provenance
Event ID
official19030602131700000
Coordinates
61.78, -157.72
Network
official
Significance
732