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USGS iscgem898712

24 Dec 1946, 03:59

Bismarck Sea

A magnitude 6.4 mw earthquake at 25 km depth.

Depth25 kmPublished hypocentral depth

Tsunami flagNot flaggedUSGS catalog flag, not a current warning

Updated26 April 2022Latest timestamp stored in this record

Published location

Where is Bismarck Sea?

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

-3.346000, 146.691000

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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

84 km SE of Angoram, Papua New Guinea

178 km NE of Angoram, Papua New Guinea

195 km ENE of Angoram, Papua New Guinea

22 km SSW of Ambunti, Papua New Guinea

21 km N of Lae, Papua New Guinea

45 km NW of Bulolo, Papua New Guinea

Catalog fields and provenance

Event ID

iscgem898712

Coordinates

-3.346, 146.691

Network

iscgem

Significance

630