Information message about strong earthquake in Vanuatu islands on December 17, 2024

A strong earthquake (very strong at the epicenter on the SIS-17 scale) with M=7.2 occurred on December 17, 2024 at 01:47 GMT (04:47 Moscow Time) on the Vanuatu islands.<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 13 min after registration to the Ministry of Emergency of the Russian Federation (EMERCOM).

Preliminary processing has been done with data from 17 stations, accurate processing - with data from 59.

The red marker on the map is the epicenter of the earthquake, which was located on the island of Efate, Vanuatu, at a depth of 50 km, 11 km N-NE of Port Vila, the capital of Vanuatu, 147 km S-SE of Port Vato and 232 km N-NW of Lenakela.
Time in origin (GMT) Latitude, degree Longitude, degree Depth, km Stations number Ms/N mb/N I0 (calculated) GAP Center
1 01:47:25.0 -17.64 168.35 50.0 59 7.2/51 6.8/35 7.5-8 98 GS RAS(Verified)
Federal research center, Geophysical survey of Russian Academy of Sciences
2 01:47:16.3 -17.99 168.55 10.0 17 7.1/14 10-10.5 GS RAS(Preliminary)
Federal research center, Geophysical survey of Russian Academy of Sciences
3 01:47:24.3 -17.67 168.09 28.0 276 Mw 7.4 7.0/196 28 CSEM
European - Mediterranean seismological center
4 01:47:26.3 -17.69 168.03 57.0 121 Mww 7.3/73 6.6/568 30 NEIC
National Earthquakes Information Center of US Geological Service