QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000hxs4
USGS usp000hxs4
18 Mar 2011, 03:23
205 km ESE of Ishinomaki, Japan
A magnitude 5.5 mwc earthquake at 6.4 km depth.
Published location
Where is 205 km ESE 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.
37.759000, 143.488000
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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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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
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Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
usp000hxs4
Coordinates
37.759, 143.488
Network
us
Significance
465