QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us7000dxsx
USGS us7000dxsx

27 Apr 2021, 09:03

180 km N of Madang, Papua New Guinea

A magnitude 5.1 mb earthquake at 10 km depth.

Depth10 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated7 July 2021Latest timestamp stored in this record

Published location

Where is 180 km N of Madang, 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.

-3.587500, 145.799400

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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

63 km SSW of Ialibu, Papua New Guinea

M 5.1

77 km S of Ialibu, Papua New Guinea

M 5.1

72 km N of Madang, Papua New Guinea

M 5.1

43 km NNE of Kundiawa, Papua New Guinea

M 5.1

23 km ENE of Wau, Papua New Guinea

M 5.1

59 km NE of Kainantu, Papua New Guinea

Catalog fields and provenance
Event ID
us7000dxsx
Coordinates
-3.5875, 145.7994
Network
us
Significance
400