Information message about the tangible earthquake in Stavropol Region, November 3, 2015

     The tangible earthquake with M = 4.7 has occurred on November 3, 2015 at 17:43 GMT (20:43 Moscow time) in the Stavropol Region.
     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 17 min after registration to the Ministry of Emergency of the Russian Federation (EMERCOM).
     Preliminary processing has been done with data from 27 stations, accurate processing - with data 36 stations.
     Fig. 1 presents fragments of records obtained from digital stations Kislovodsk(∆ 1.1º), Pyatigorsk (∆ 1.3º), Shidzhatmaz (∆ 1.3º), Khabaz (∆ 1.4º). Fig. 2 presents fragments of records obtained from digital stations Neytrino (∆ 1.7º), Sochi (∆ 1.8º), Lazarevskoye (∆ 1.8º), Nalchik (∆ 1.9º).

Figure 1
 

Figure 2
 
     IPC GS RAS also has obtained information with parameters of this event from some seismological centers, these data are given in table 1:
Table 1
NN Time in origin h-min-s (GMT) Lat degr. Lon degr. Depth km N s/st Ms/ N mb/ N I0 calc GAP Center
1 17-43-21.2 44.79 41.63  10  36   4.7/85 IPC GS RAS (Accurate)
2 17-43-20.8 44.8 41.6  10  27   4.7/65 IPC GS RAS (Preliminary)
3 17-43-21.7 44.92 41.53  20  134   4.5/29 43 CSEM
4 17-43-21.3 44.87 41.63  15.5  51   4.4  55 NEIC
  • IPC GS RAS - Informational Processing Center, Geophysical Survey, Russian Academy of Sciences
  • CSEM - European - Mediterranean seismological center
  • NEIC - National Earthquakes Information Center of US Geological Service
  • Epicenter
         Fig. 3 presents with red star the epicenter of this earthquake, its origin was located on the border of Stavropol and Krasnodar regions, at a depth of 10 km, 29 km N-W of Nevinnomyssk, 39 km S-W of Stavropol, 46 km S-E of Armavir.

    Figure 3
    Macroseismic manifestations
         According to GS RAS this earthquake was felt in Stavropol, Nevinnomyssk, villages Uspenskaya and Malanino with intensity 4 MSK, in Armavir, Kazinka, Vodorazdel, Kursavka, Gofitskoye, Cherkessk, Novokubansk with intensity 3 MSK, in Kislovodsk, Yessentuki, Lermontov, Pyatigorsk, Zheleznovodsk, Labinsk, Gulkevichy and vil. Otradnaya with intensity 2-3 MSK, in Karachayevsk, Mostovsky with intensity 2 MSK. Information on individual responses is collected in the new section of the site "You felt an earthquake? Tell us about it" (DyfitWeb).
    Historical records
         Epicenter of this earthquake was located 4 km N-W of tangible earthquake's epicenter of May 2, 2012 M=4.1 .


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