Information message about a strong earthquake off the southeast coast of Australia on September 21, 2021.

An earthquake (very strong at the epicenter on the SHSI-17 scale) with M = 5.6 occurred on September 21, 2021 at 23.15 GMT (22 September at 02.15 Moscow time) on the southeastern coast of Australia.

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 19 min after registration to the Ministry of Emergency of the Russian Federation (EMERCOM).

Preliminary processing has been done with data from 14 stations, accurate processing - with data from 25.

The red marker the map shows the epicenter of the earthquake, the origin of which was located on the SE coast of Australia in Victoria, at a depth of 10 km, 68 km S-SE of Mansfield, 107 km E-N of Melbourne, 358 km SW of Canberra, the capital of Australia.
Time in origin (GMT) Latitude, degree Longitude, degree Depth, km Stations number Ms/N mb/N I0 (calculated) GAP Center
1 23:15:53.0 -37.62 146.19 10.0 25 5.6/18 5.8/15 7.5-8 102 GS RAS(Verified)
Federal research center, Geophysical survey of Russian Academy of Sciences
2 23:16:01.5 -36.78 143.64 10.0 14 6.2/2 8-8.5 GS RAS(Preliminary)
Federal research center, Geophysical survey of Russian Academy of Sciences
3 23:15:53.2 -37.5 146.34 10.0 336 Mw 5.9 38 CSEM
European - Mediterranean seismological center
4 23:15:53.4 -37.49 146.36 10.0 131 Mw 5.9/31 5.8/102 41 NEIC
National Earthquakes Information Center of US Geological Service