Information message about a felt earthquake in the Tyva Republic on October 22, 2021

An earthquake (significant at the epicenter on the SHSI-17 scale) with M = 5.2 occurred on October 22, 2021 at 23:03 GMT (23 October at 02:00 Moscow time) in the Republic of Tyva.

Parameters of the earthquake have been determined in the Alert Service (AS) of Information Processing Center (IPC) of Geophysical Survey of RAS in Obninsk with station data obtained from digital and analog seismic stations of Russia, countries of CIS and from abroad. Alert message on this earthquake has been delivered in 11 min after registration to the Ministry of Emergency of the Russian Federation (EMERCOM).

Preliminary processing has been done with data from 12 stations, accurate processing - with data from 32.

The red marker on the map is the epicenter of the earthquake, the origin of which was in the Tyva Republic, at a depth of 10 km, 35 km N of Chadan, 202 km W of Kyzyl, 237 km S of Abakan.
Time in origin (GMT) Latitude, degree Longitude, degree Depth, km Stations number Ms/N mb/N I0 (calculated) GAP Center
1 23:03:04.0 51.6 91.51 10.0 32 5.2/11 5.5-6 68 GS RAS(Verified)
Federal research center, Geophysical survey of Russian Academy of Sciences
2 23:03:39.2 52.17 87.45 33.0 12 5.3/10 4-4.5 GS RAS(Preliminary)
Federal research center, Geophysical survey of Russian Academy of Sciences
3 23:03:02.1 51.39 91.54 10.0 5.6 7.3 ASGSR
Altay-Sayan Regional Seismological Centre, Novosibirsk, Geophysical Survey, Russian Academy of Sciences
4 23:03:05.8 51.39 91.09 10.0 251 Mw 5.1 30 CSEM
European - Mediterranean seismological center
5 23:03:07.9 51.36 90.83 10.0 110 Mw 5.1/12 5.1/99 35 NEIC
National Earthquakes Information Center of US Geological Service