QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us2000821y
USGS us2000821y

17 Dec 2016, 21:17

128 km N of Saipan, Northern Mariana Islands

A magnitude 5 mb earthquake at 129.5 km depth.

Depth129.5 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated16 March 2017Latest timestamp stored in this record

Published location

Where is 128 km N of Saipan, Northern Mariana Islands?

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

16.374600, 145.764600

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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

117 km WSW of Merizo Village, Guam

M 5

30 km S of Merizo Village, Guam

M 5

125 km SW of Merizo Village, Guam

M 5

190 km NNE of Saipan, Northern Mariana Islands

M 5

72 km ESE of Yigo Village, Guam

M 5

165 km ESE of Saipan, Northern Mariana Islands

Catalog fields and provenance
Event ID
us2000821y
Coordinates
16.3746, 145.7646
Network
us
Significance
385