QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/cent19010809092300000
USGS cent19010809092300000
9 Aug 1901, 09:23
Near the east coast of Honshu, Japan
A magnitude 7.2 mw earthquake at 35 km depth.
Published location
Where is Near the east coast of Honshu, 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.
40.500000, 142.500000
Open the interactive map ↗Map data © OpenStreetMap contributors
What the numbers mean
Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.
Need a current safety answer?
Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
Continue exploring
Nearby events with a similar magnitude
Catalog fields and provenance
Event ID
cent19010809092300000
Coordinates
40.5, 142.5
Network
cent
Significance
798