QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000814h
USGS usp000814h

23 Apr 1997, 20:44

49 km N of Yigo Village, Guam

A magnitude 6.5 mwc earthquake at 100.8 km depth.

Depth100.8 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated29 April 2022Latest timestamp stored in this record

Published location

Where is 49 km N of Yigo Village, Guam?

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

13.986000, 144.901000

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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 6.5

112 km NE of Saipan, Northern Mariana Islands

M 6.5

248 km N of Saipan, Northern Mariana Islands

M 6.5

114 km SSE of San Jose Village, Northern Mariana Islands

M 6.52

258 km NE of Saipan, Northern Mariana Islands

M 6.4

46 km ENE of Yigo Village, Guam

M 6.6

89 km N of Saipan, Northern Mariana Islands

Catalog fields and provenance
Event ID
usp000814h
Coordinates
13.986, 144.901
Network
us
Significance
650