QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem796163
USGS iscgem796163

31 May 1970, 21:23

34 km SW of Chimbote, Peru

A magnitude 7.9 mw earthquake at 58.4 km depth.

Depth58.4 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 34 km SW of Chimbote, Peru?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

-9.266000, -78.847000

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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 8.1

67 km W of Paramonga, Peru

M 7.6

77 km WSW of Callao, Peru

M 7.5

123 km WSW of Puerto Santa, Peru

M 7.2

87 km SW of Callao, Peru

M 7.11

55 km SW of Santiago de Cao, Peru

M 7

179 km WSW of Huarmey, Peru

Catalog fields and provenance
Event ID
iscgem796163
Coordinates
-9.266, -78.847
Network
iscgem
Significance
960