QQuakeFacts
QuakeFactsEvidence report · prepared 3 September 2026https://quakes99.com/entity/iscgem611389649
USGS iscgem611389649

13 May 1907, 21:00

146 km WNW of Alotau, Papua New Guinea

A magnitude 6.6 mw earthquake at 35 km depth.

Depth35 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated25 April 2022Latest timestamp stored in this record

Published location

Where is 146 km WNW of Alotau, Papua New Guinea?

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

-9.735000, 149.253000

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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 6.6

227 km SE of Kandrian, Papua New Guinea

M 6.58

240 km NE of Samarai, Papua New Guinea

M 6.4

101 km NE of Alotau, Papua New Guinea

M 6.31

79 km NNW of Popondetta, Papua New Guinea

M 7

114 km NNW of Popondetta, Papua New Guinea

M 6.16

125 km NNW of Alotau, Papua New Guinea

Catalog fields and provenance
Event ID
iscgem611389649
Coordinates
-9.735, 149.253
Network
iscgem
Significance
672