QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000j0bs
USGS usp000j0bs

21 Apr 2011, 09:18

70 km E of Ishinomaki, Japan

A magnitude 5 mwc earthquake at 40.2 km depth.

Depth40.2 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated22 December 2025Latest timestamp stored in this record

Published location

Where is 70 km E of Ishinomaki, 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.

38.327000, 142.093000

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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

15 km SE of Shizunai-furukawach?, Japan

M 5

97 km SE of Ishinomaki, Japan

M 5

81 km SSW of Shizunai-furukawach?, Japan

M 5

34 km ESE of ?funato, Japan

M 5

87 km ENE of Misawa, Japan

M 5

56 km SSW of Shizunai-furukawach?, Japan

Catalog fields and provenance
Event ID
usp000j0bs
Coordinates
38.327, 142.093
Network
us
Significance
385