QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us1000dua4
USGS us1000dua4

29 Apr 2018, 13:29

170 km NNE of Colonia, Micronesia

A magnitude 5 mb earthquake at 10 km depth.

Depth10 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated25 July 2018Latest timestamp stored in this record

Published location

Where is 170 km NNE of Colonia, Micronesia?

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

10.954900, 138.686300

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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 5

194 km N of Fais, Micronesia

M 5

241 km NE of Fais, Micronesia

M 5

108 km NE of Colonia, Micronesia

M 5

Mariana Islands region

M 5

131 km NNE of Fais, Micronesia

M 5

275 km NNE of Fais, Micronesia

Catalog fields and provenance
Event ID
us1000dua4
Coordinates
10.9549, 138.6863
Network
us
Significance
385