QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem16957820
USGS iscgem16957820

25 Jun 1904, 14:45

274 km SE of Petropavlovsk-Kamchatsky, Russia

A magnitude 7.5 mw earthquake at 15 km depth.

Depth15 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated9 May 2022Latest timestamp stored in this record

Published location

Where is 274 km SE of Petropavlovsk-Kamchatsky, Russia?

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

51.424000, 161.638000

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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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Nearby events with a similar magnitude

M 7.5

97 km ESE of Ozernovskiy, Russia

M 7.5

221 km SSE of Severo-Kuril’sk, Russia

M 7.46

253 km SE of Vilyuchinsk, Russia

M 7.36

156 km SE of Severo-Kuril’sk, Russia

M 7

112 km S of Vilyuchinsk, Russia

M 6.9

123 km SE of Vilyuchinsk, Russia

Catalog fields and provenance
Event ID
iscgem16957820
Coordinates
51.424, 161.638
Network
iscgem
Significance
865