Information message about strong earthquake in Chile on July 19, 2024

An earthquake (strong at the epicenter on the SIS-17 scale) with M=7.3 occurred on July 19, 2024 at 01:50 GMT (04:50 Moscow Time) in Chile.<br /> SIS-17 - Earthquakes. Seismic intensity scale. State Standard 57546–2017.

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 20 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 55.

The marker on the map is the epicenter of the earthquake, its origin was in northern Chile at a depth of 120 km, 40 km SE of San Pedro de Atacama, 110 kilometers from the city of Calama and 300 km E-NE of Antofagasta.
Time in origin (GMT) Latitude, degree Longitude, degree Depth, km Stations number Ms/N mb/N I0 (calculated) GAP Center
1 01:50:48.0 -23.11 -67.93 120.0 55 7.3/13 7-7.5 118 GS RAS(Verified)
Federal research center, Geophysical survey of Russian Academy of Sciences
2 01:50:46.5 -23.15 -67.81 100.0 14 6.9/3 GS RAS(Preliminary)
Federal research center, Geophysical survey of Russian Academy of Sciences
3 01:50:48.8 -23.08 -67.81 128.0 724 7.4 Mw 11 CSEM
European - Mediterranean seismological center
4 01:50:47.7 -23.05 -67.78 117.4 105 7.4 Mw 29 NEIC
National Earthquakes Information Center of US Geological Service