QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0001buy
USGS usp0001buy
22 Jan 1981, 19:34
122 km E of Ishinomaki, Japan
A magnitude 6.4 ms earthquake at 20 km depth.
Published location
Where is 122 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.
38.215000, 142.672000
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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
usp0001buy
Coordinates
38.215, 142.672
Network
us
Significance
630