Observed earthquake
6 km ESE of Tōgane, Japan
Recent observationReported by 3 agencies. Every solution below is that agency's own measurement, stored unaltered.
Agency solutions
The same earthquake as measured independently by each agency. Values are never averaged or rewritten.
| Agency | Magnitude | Depth | Origin time | Epicentre | Review status | Source record |
|---|---|---|---|---|---|---|
| GEOFONGFZ Helmholtz Centre for Geosciences | M4.9 mb | 45 km | 2026-10-11 16:24:23 UTC | 35.51°N, 140.78°E | Not stated | gfz2026tyhv ↗ |
| EMSCEuropean-Mediterranean Seismological Centre | M4.7 mb | 46 km | 2026-10-11 16:24:25 UTC | 35.69°N, 140.64°E | Not stated | 20261011_0000255 ↗ |
| USGSUnited States Geological Survey | M4.7 mb | 56 km | 2026-10-11 16:24:25 UTC | 35.53°N, 140.44°E | Reviewed by an analyst36 stations | us6000u1l7 ↗ |
Source: Earthquake solutions from the GEOFON programme, GFZ Helmholtz Centre for Geosciences. · Retrieved: 2026-10-12 05:55:13 UTC · grouped with match confidence 85%
Source: Earthquake data from the European-Mediterranean Seismological Centre (EMSC) via SeismicPortal. · Retrieved: 2026-10-11 16:37:09 UTC
Source: Earthquake data courtesy of the U.S. Geological Survey. · Retrieved: 2026-10-11 18:10:19 UTC
Why the agencies differ
Differences of a few tenths of a magnitude unit and tens of kilometres are normal and expected. Each agency uses a different set of seismic stations, a different velocity model for the Earth's interior, and sometimes a different magnitude scale altogether. None of them is “wrong”; they are independent measurements of the same event.
Prakruti groups solutions only when they agree closely in both time and location, and shows the preferred solution — favouring an analyst-reviewed moment magnitude where one exists — while keeping every other solution visible above.