QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us70008za4
USGS us70008za4
18 Apr 2020, 10:24
Bonin Islands, Japan region
A magnitude 5.7 mww earthquake at 473.7 km depth.
Published location
Where is Bonin Islands, Japan region?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
27.203400, 140.071200
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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
us70008za4
Coordinates
27.2034, 140.0712
Network
us
Significance
500