QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp0005w1f
USGS usp0005w1f
12 Jul 1993, 15:45
109 km W of Iwanai, Japan
A magnitude 6.3 ms earthquake at 33 km depth.
Published location
Where is 109 km W of Iwanai, 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.
43.124000, 139.183000
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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
usp0005w1f
Coordinates
43.124, 139.183
Network
us
Significance
611