QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem877216
USGS iscgem877216
19 Aug 1961, 06:33
19 km E of Katsuyama, Japan
A magnitude 6.8 mw earthquake at 15 km depth.
Published location
Where is 19 km E of Katsuyama, 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.
36.088000, 136.712000
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
iscgem877216
Coordinates
36.088, 136.712
Network
iscgem
Significance
711