QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0004avt
USGS usp0004avt

23 Jun 1990, 06:01

180 km NNW of Lorengau, Papua New Guinea

A magnitude 6.2 mw earthquake at 23.9 km depth.

Depth23.9 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated28 April 2022Latest timestamp stored in this record

Published location

Where is 180 km NNW of Lorengau, 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.

-0.611000, 146.473000

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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 6.2

201 km NE of Wewak, Papua New Guinea

M 6.11

166 km WSW of Lorengau, Papua New Guinea

M 6.3

144 km WSW of Lorengau, Papua New Guinea

M 6.43

245 km NNW of Lorengau, Papua New Guinea

M 6.44

129 km N of Wewak, Papua New Guinea

M 5.9

235 km WNW of Lorengau, Papua New Guinea

Catalog fields and provenance
Event ID
usp0004avt
Coordinates
-0.611, 146.473
Network
us
Significance
591