Information message about a strong earthquake on the eastern coast of Kamchatka on April 3, 2023

A strong earthquake (significant at the epicenter on the ShSI-17 scale) with М=6.0 occurred on April 3, 2023 at 03:06 GMT (06:06 Moscow time) on the eastern coast of Kamchatka. <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 10 min after registration to the Ministry of Emergency of the Russian Federation (EMERCOM).

Preliminary processing has been done with data from 13 stations, accurate processing - with data from 73.

The red marker on the map is the epicenter of the earthquake, the origin of which was on the eastern coast of Kamchatka, at a depth of 100 km, 8 km SE of Vilyuchinsk, 26 km SW of Petropavlovsk-Kamchatsky and 291 km NE from Severo-Kurilsk.
Time in origin (GMT) Latitude, degree Longitude, degree Depth, km Stations number Ms/N mb/N I0 (calculated) GAP Center
1 03:06:57.0 52.86 158.47 100.0 73 6.0/33 6.4/36 6-6.5 87 GS RAS(Verified)
Federal research center, Geophysical survey of Russian Academy of Sciences
2 03:06:55.7 52.55 158.63 100.0 13 6.4/11 5-5.5 GS RAS(Preliminary)
Federal research center, Geophysical survey of Russian Academy of Sciences
3 03:06:55.9 52.53 159.15 94.0 Ml 6.9 KAGSR
Kamchatka Regional Seismological Centre, Petropavlovsk-Kamchatskiy, Geophysical Survey, Russian Academy of Sciences
4 03:06:57.4 52.84 158.44 100.0 370 Mw 6.5 26 CSEM
European - Mediterranean seismological center
5 03:06:57.8 52.78 158.48 106.0 104 Mw 6.5/20 6.4/99 30 NEIC
National Earthquakes Information Center of US Geological Service