QQuakeFacts
USGS iscgem16958060

9 Dec 1909, 23:28

98 km SSE of Inarajan Village, Guam

A magnitude 7 mw earthquake at 15 km depth.

Depth15 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated25 April 2022Latest timestamp stored in this record

Published location

Where is 98 km SSE of Inarajan 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.

12.408000, 144.951000

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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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Catalog fields and provenance
Event ID
iscgem16958060
Coordinates
12.408, 144.951
Network
iscgem
Significance
756