| Magnitude | 4.2 |
| Region | RUSSIA-MONGOLIA BORDER REGION |
| Date time | 2025-10-08 11:20:39.2 UTC |
| Location | 49.941 ; 88.263 |
| Depth | 16 km |
| Distance | 233 km N of Altay, China / pop: 190,000 / local time: 17:20:39.2 2025-10-08 30 km WSW of Kosh-Agach, Russia / pop: 5,700 / local time: 18:20:39.2 2025-10-08 |
Source parameters reviewed by a seismologist
All data providers for this event:
Geophysical Survey of the Russian Academy of Sciences -- Obninsk, Russia (GSRAS)Institute of Astronomy and Geophysics -- Ulaanbaatar, Mongolia (IAG)
National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)
Kazakhstan National Data Center -- Almaty, Kazakhstan (KNDC)
Further information can be found at:
Geophysical Survey of the Russian Academy of Sciences -- Obninsk, Russia (GSRAS)Kazakhstan National Data Center -- Almaty, Kazakhstan (KNDC)
GeoForschungsZentrum (GFZ) -- Potsdam, Germany (GFZ)
National Earthquake Information Center, U.S. Geological Survey -- Golden, United States (NEIC)
Institute of Astronomy and Geophysics -- Ulaanbaatar, Mongolia (IAG)