QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us10007azu
USGS us10007azu

20 Nov 2016, 21:59

23 km NNE of Hasaki, Japan

A magnitude 5 mb earthquake at 18.7 km depth.

Depth18.7 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated15 February 2017Latest timestamp stored in this record

Published location

Where is 23 km NNE of Hasaki, Japan?

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

35.916200, 140.968200

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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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Catalog fields and provenance
Event ID
us10007azu
Coordinates
35.9162, 140.9682
Network
us
Significance
396