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USGS iscgem840559

10 Dec 1966, 13:06

5 km NNW of Champerico, Guatemala

A magnitude 6.6 mw earthquake at 64.7 km depth.

Depth64.7 kmPublished hypocentral depth

Tsunami flagNot flaggedUSGS catalog flag, not a current warning

Updated19 December 2025Latest timestamp stored in this record

Published location

Where is 5 km NNW of Champerico, Guatemala?

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

14.339000, -91.937000

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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

17 km S of Iztapa, Guatemala

20 km S of Taxisco, Guatemala

10 km SSW of San José El Ídolo, Guatemala

5 km S of Cojutepeque, El Salvador

32 km S of La Libertad, El Salvador

9 km W of Brisas Barra de Suchiate, Mexico

Catalog fields and provenance

Event ID

iscgem840559

Coordinates

14.339, -91.937

Network

iscgem

Significance

662