QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem913040
USGS iscgem913040

21 Jan 1918, 19:45

73 km N of Manokwari, Indonesia

A magnitude 6.4 mw earthquake at 25 km depth.

Depth25 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated9 May 2022Latest timestamp stored in this record

Published location

Where is 73 km N of Manokwari, Indonesia?

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

-0.197000, 134.110000

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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 6.4

46 km ESE of Biak, Indonesia

M 6.4

92 km SSE of Manokwari, Indonesia

M 6.41

82 km S of Biak, Indonesia

M 6.35

23 km W of Manokwari, Indonesia

M 6.34

38 km ESE of Fef, Indonesia

M 6.44

212 km SW of Manokwari, Indonesia

Catalog fields and provenance
Event ID
iscgem913040
Coordinates
-0.197, 134.11
Network
iscgem
Significance
628