QQuakeFacts
USGS iscgemsup913552

29 Jun 1917, 17:06

Revilla Gigedo Islands region

A magnitude 6.1 mw earthquake at 15 km depth.

Depth15 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated9 May 2022Latest timestamp stored in this record

Published location

Where is Revilla Gigedo Islands region?

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

20.525000, -112.343000

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
iscgemsup913552
Coordinates
20.525, -112.343
Network
iscgemsup
Significance
565