QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/usp000d77w
USGS usp000d77w
28 Oct 2004, 05:54
Izu Islands, Japan region
A magnitude 5 mwr earthquake at 124.6 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.
29.577000, 140.543000
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
usp000d77w
Coordinates
29.577, 140.543
Network
us
Significance
385