This undersea earthquake generated recorded tsunami waves across coastal and trans-oceanic sectors. Preserved in seismic archive for scientific reference — no active hazard exists.
A magnitude 7.5 (MW) earthquake occurred on 2024-01-01, 16:10 local time (07:10 UTC) (1025d ago), centered Sea of Japan (89 km N of Toyama, Japan). The hypocenter was located at a shallow depth of 10 km. Primary telemetry verified by GEONET alongside 1 regional seismic monitoring networks.
Curated Global Seismic Archive (1700–Present)
2.68 Mt TNT
shallow (Shallow crustal)
Injuries: > 5,000 · ~56.1M felt
Timeline of foreshocks, main rupture, aftershocks and machine learning risk probability evolution.
Shaking intensity is modelled from magnitude, depth and distance (GMPE attenuation), not reported by residents.
| Town | Distance | Intensity |
|---|---|---|
| Toyama · Toyama | 89 km | MMI VII |
| Takaoka · Toyama | 95 km | MMI VII |
| Kanazawa · Ishikawa | 117 km | MMI VII |
| Nagano · Nagano | 125 km | MMI VII |
| Nagaoka · Niigata | 143 km | MMI VII |
| Matsumoto · Nagano | 154 km | MMI VII |
Independent solutions for the same rupture. Differences of 0.1–0.3 in magnitude are normal and reflect method and station coverage.
| Agency | Source ID | Magnitude | Depth | Epicenter |
|---|---|---|---|---|
GEONET Primary | geonet_2024p000829 | M 7.5 | 10 km | 37.50, 137.24 |
Nearest mapped active fault: Notokaigan, 5 km away, slip rate ~15.0 mm/yr (GEM Global Active Faults).