QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000hwkb
USGS usp000hwkb

12 Mar 2011, 20:08

83 km E of Hasaki, Japan

A magnitude 5 mb earthquake at 36.3 km depth.

Depth36.3 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated7 November 2014Latest timestamp stored in this record

Published location

Where is 83 km E 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.

35.754000, 141.754000

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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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M 5

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Catalog fields and provenance
Event ID
usp000hwkb
Coordinates
35.754, 141.754
Network
us
Significance
385