QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us6000g7tw
USGS us6000g7tw
30 Nov 2021, 06:53
Izu Islands, Japan region
A magnitude 5.5 mww earthquake at 20.1 km depth.
Published location
Where is Izu 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.
31.217000, 142.437700
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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
us6000g7tw
Coordinates
31.217, 142.4377
Network
us
Significance
466