QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/us1000e6yj
USGS us1000e6yj
17 May 2018, 04:12
9 km SE of Asahi, Japan
A magnitude 5.3 mww earthquake at 41.9 km depth.
Published location
Where is 9 km SE of Asahi, 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.
35.658400, 140.719300
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
us1000e6yj
Coordinates
35.6584, 140.7193
Network
us
Significance
496