Information message about the sensitive earthquake in The Republic of Buryatia on April 6, 2015 |
| The sensitive earthquake М=4.8 has occurred on April 6, 2015 at 07:47 GMT (10:47 Moscow time) in The Republic of Buryatia. |
| 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 11 min after
registration to the Ministry of Emergency of the Russian Federation (EMERCOM). |
| Preliminary processing has been done with data from 24 stations, accurate processing - with data 40 stations. |
| Fig. 1 presents fragments of records obtained from digital stations Talaya (∆ 3.2º), Ulaanbaatar (∆ 5.5º), Jazator (∆ 13.4º), Zalesovo (∆ 13.8º). Fig. 2 presents fragments of records obtained from digital stations Makanchi (∆ 17.8º), Norilsk (∆ 18.7º), Tiksi (∆ 20.6º), Borovoe (∆ 22.5º). |
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 |
07-47-24.2 |
53.28 |
108.11 |
10 |
40 |
| 4.8/13 | 4.5-5 | 54 | IPC GS RAS (Accurate) | | 2 |
07-47-25.9 |
53.3 |
108 |
10 |
24 |
| 5/10 | 5 | | IPC GS RAS (Preliminary) | | 3 |
07-47-24.7 |
53.23 |
108.14 |
2 |
32 |
| 4.7/25 | | 130 | CSEM | | 4 |
07-47-25.8 |
53.18 |
108.21 |
10 |
54 |
| 4.6 | | 56 | NEIC | | 5 |
07-47-26.0 |
53.13 |
108.28 |
10 |
21 |
К 12.6 | | | | BRIPC | |
| 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 |
| BRIPC - Regional Informational Processing Center of Baikal Experimental-Methodical Seismological Expedition Geophysical Survey Siberian Branch Russian Academy of Sciences |
| Epicenter |
| Fig. 3 presents with red star epicenter of this earthquake, its origin was located in Baikal Lake at the depth of 10 km, 35 km N-N-W of Goryachinsk, 46 km E of Kharantsy, 165 km N-N-E of Ulan-Ude, 280 km E-N-E of Irkutsk and 294 km E-N-E of Angarsk.
|
Figure 3 |
|
| Macroseismic manifestations |
| According to Baikal Branch of GS RAS this earthquake was felt in Goryachinsk with intensity 5 MSK, in Kharantsy, Ulan-Ude with intensity 3-4 MSK, in Irkutsk, Angarsk with intensity 3 MSK, in Ust-Barguzin, Barguzin, Elantsy with intensity 2-3 MSK, in Onguren, Khomutovo, Pivovarikha, Magistralny with intensity 2 MSK. |
| Historical records |
| Epicenter of this earthquake was located 50 km N-W of July 16, 2011 М=5.2 strong earthquake. |
