Information message about the devastating earthquake on the coast of Chiapas, Mexico September 8, 2017

A devastating earthquake with M = 8.3 occurred on September 8, 2017 at 04:49 GMT (07:49 Moscow time) on the coast of Chiapas, Mexico.

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

Preliminary processing has been done with data from 22 stations, accurate processing - with data from 45.

The red marker on the map is the epicenter of the earthquake, its origin was on the coast of Chiapas, Mexico, at a depth of 70 km, 90 km SW of Pihihyapan, Mexico, 202 km west of San Marcos, Guatemala and 206 km to SE of Salina Cruz, Mexico.
Time in origin (GMT) Latitude, degree Longitude, degree Depth, km Stations number Ms/N mb/N I0 (calculated) GAP Center
1 04:49:19.1 15.0 -93.69 70.0 45 8.3/29 7.4/27 8.5-9 81 GS RAS(Verified)
Federal research center, Geophysical survey of Russian Academy of Sciences
2 04:49:12.8 14.99 -93.87 10.0 22 7.0/20 10-10.5 GS RAS(Preliminary)
Federal research center, Geophysical survey of Russian Academy of Sciences
3 04:49:21.2 15.01 -93.81 72.4 645 Mw 8.1 24 CSEM
European - Mediterranean seismological center
4 04:49:21.4 15.07 -93.72 69.7 125 Mw 8.1 7.2 32 NEIC
National Earthquakes Information Center of US Geological Service