QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0002gc3
USGS usp0002gc3

3 Jul 1985, 05:36

62 km E of Kokopo, Papua New Guinea

A magnitude 7.3 mw earthquake at 33 km depth.

Depth33 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated27 April 2022Latest timestamp stored in this record

Published location

Where is 62 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.

-4.439000, 152.828000

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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 7.3

166 km SE of Kokopo, Papua New Guinea

M 7.3

190 km ENE of Kokopo, Papua New Guinea

M 7.31

102 km SE of Kokopo, Papua New Guinea

M 7.27

192 km ESE of Kokopo, Papua New Guinea

M 7.38

67 km E of Kokopo, Papua New Guinea

M 7.21

155 km WNW of Panguna, Papua New Guinea

Catalog fields and provenance
Event ID
usp0002gc3
Coordinates
-4.439, 152.828
Network
us
Significance
820