QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgemsup912750
USGS iscgemsup912750

21 Mar 1919, 17:29

203 km NNW of Tobelo, Indonesia

A magnitude 6.1 mw earthquake at 35 km depth.

Depth35 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated9 May 2022Latest timestamp stored in this record

Published location

Where is 203 km NNW of Tobelo, 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.

3.300000, 127.054000

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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 6.05

147 km E of Pondaguitan, Philippines

M 6.04

246 km NNW of Tobelo, Indonesia

M 6.04

16 km E of Caraga, Philippines

M 6.06

64 km SE of Bobon, Philippines

M 6.04

29 km E of Santiago, Philippines

M 6.03

33 km SSE of Tamisan, Philippines

Catalog fields and provenance
Event ID
iscgemsup912750
Coordinates
3.3, 127.054
Network
iscgemsup
Significance
563