QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us2000iw51
USGS us2000iw51

21 Dec 2018, 23:12

81 km N of Rabaul, Papua New Guinea

A magnitude 5 mww earthquake at 348.4 km depth.

Depth348.4 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 81 km N of Rabaul, 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.

-3.477900, 152.041200

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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 5

123 km SSW of Kokopo, Papua New Guinea

M 5

134 km SW of Rabaul, Papua New Guinea

M 5

104 km WNW of Rabaul, Papua New Guinea

M 5

134 km S of Kokopo, Papua New Guinea

M 5

76 km SSW of Kavieng, Papua New Guinea

M 5

250 km S of Kokopo, Papua New Guinea

Catalog fields and provenance
Event ID
us2000iw51
Coordinates
-3.4779, 152.0412
Network
us
Significance
385