QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us7000dla9
USGS us7000dla9

20 Mar 2021, 19:41

178 km N of Saipan, Northern Mariana Islands

A magnitude 5.2 mb earthquake at 176.2 km depth.

Depth176.2 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 178 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.

16.826300, 145.686900

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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 5.2

143 km SE of San Jose Village, Northern Mariana Islands

M 5.2

108 km ESE of San Jose Village, Northern Mariana Islands

M 5.2

234 km WSW of Merizo Village, Guam

M 5.2

98 km W of Umatac Village, Guam

M 5.2

107 km ESE of Saipan, Northern Mariana Islands

M 5.2

141 km ESE of San Jose Village, Northern Mariana Islands

Catalog fields and provenance
Event ID
us7000dla9
Coordinates
16.8263, 145.6869
Network
us
Significance
417