QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us70009aif
USGS us70009aif
5 May 2020, 17:57
5 km NNW of Ichihara, Japan
A magnitude 5.1 mww earthquake at 71.2 km depth.
Published location
Where is 5 km NNW of Ichihara, 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.
35.558900, 140.054800
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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
us70009aif
Coordinates
35.5589, 140.0548
Network
us
Significance
501