QQuakeFacts
USGS iscgem798488

28 Mar 1970, 08:45

91 km W of Panguna, Papua New Guinea

A magnitude 6 mw earthquake at 49.9 km depth.

Depth49.9 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 91 km W of Panguna, 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.

-6.258000, 154.663000

Open the interactive map ↗

What the numbers mean

Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.

Need a current safety answer?

Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.

Open the USGS event →

Continue exploring

Nearby events with a similar magnitude

Catalog fields and provenance
Event ID
iscgem798488
Coordinates
-6.258, 154.663
Network
iscgem
Significance
556