A magnitude 8.3 (MW) earthquake occurred on 1905-07-23, 09:53 local time (02:46 UTC) (just now), centered 171 km N of Uliastay (Mongolia). The hypocenter was located at a shallow depth of 15 km. Primary telemetry verified by USGS alongside 1 regional seismic monitoring networks.
Curated Global Seismic Archive (1700–Present)
42.50 Mt TNT
shallow (Shallow crustal)
Injuries: > 5,000 · ~10.7M 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 |
|---|---|---|
| Mörön · Hövsgöl | 243 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 |
|---|---|---|---|---|
USGS Primary | iscgem16957865 | M 8.3 | 15 km | 49.29, 96.84 |
Nearest mapped active fault: Bulnay Fault, 5 km away, slip rate ~15.0 mm/yr (GEM Global Active Faults).