QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem913949
USGS iscgem913949
1 Nov 1915, 07:23
119 km SE of Kamaishi, Japan
A magnitude 7.6 mw earthquake at 30 km depth.
Published location
Where is 119 km SE of Kamaishi, 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.
38.660000, 143.004000
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
iscgem913949
Coordinates
38.66, 143.004
Network
iscgem
Significance
889