QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0002gv2
USGS usp0002gv2

17 Jul 1985, 09:09

68 km E of Kokopo, Papua New Guinea

A magnitude 6 mw earthquake at 40.5 km depth.

Depth40.5 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated27 April 2022Latest timestamp stored in this record

Published location

Where is 68 km E 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.

-4.251000, 152.877000

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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

136 km SSE of Kokopo, Papua New Guinea

M 6

73 km W of Panguna, Papua New Guinea

M 6

65 km ENE of Kokopo, Papua New Guinea

M 6

74 km W of Panguna, Papua New Guinea

M 6

102 km WSW of Panguna, Papua New Guinea

M 6

134 km SW of Panguna, Papua New Guinea

Catalog fields and provenance
Event ID
usp0002gv2
Coordinates
-4.251, 152.877
Network
us
Significance
554