QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us10008dfx
USGS us10008dfx

31 Mar 2017, 05:35

138 km SSW of Kokopo, Papua New Guinea

A magnitude 5.1 mb earthquake at 43.7 km depth.

Depth43.7 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 138 km SSW of Kokopo, 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.

-5.520800, 151.847100

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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 5.1

109 km SSW of Kokopo, Papua New Guinea

M 5.1

95 km S of Kokopo, Papua New Guinea

M 5.1

101 km SSE of Kokopo, Papua New Guinea

M 5.1

66 km NNW of Finschhafen, Papua New Guinea

M 5.1

131 km SSW of Kokopo, Papua New Guinea

M 5.1

150 km SSW of Kokopo, Papua New Guinea

Catalog fields and provenance
Event ID
us10008dfx
Coordinates
-5.5208, 151.8471
Network
us
Significance
400