Information message about sensitive earthquake in Karachaevo-Cherkessk on March 26, 2013 |
The sensitive earthquake with M=5.2 has occurred on March 26, 2013 at 23:35 GMT (March 27, at 03:35 Moscow time) in Karachaevo-Cherkessk Republic. |
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 18 min after
registration to the Ministry of Emergency of the Russian Federation (EMERCOM). |
Preliminary processing has been done with data from 56 stations, accurate processing - with data 68 stations. |
Fig. 1 presents fragments of records obtained from digital stations Neitrino (∆ 0.8º), Nalchik (∆ 1.4º), Grozny (∆ 3.0º), Vedeno (∆ 3.3º), Akhty (∆ 4.9º). Fig. 2 presents fragments of records obtained from digital stations Kiev (∆ 11.2º), Obninsk (∆ 12.3º), Arti (∆ 17.0º), Borovoe (∆ 21.3º), Kurchatov (∆ 26.1º). |
 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 |
23-35-22.7 |
43.31 |
41.64 |
5 |
68 |
| 5.2/19 | 6 | 42 | IPC GS RAS (Accurate) | 2 |
23-35-23.6 |
43.33 |
41.65 |
10 |
56 |
| 5.2/13 | 5.5-6 | 48 | IPC GS RAS (Preliminary) | 3 |
23-35-25.0 |
43.18 |
41.67 |
10 |
139 |
| 4.8 | | 78 | CSEM | 4 |
23-35-24.5 |
43.23 |
41.65 |
10 |
245 |
| 5.1/208 | | 25 | NEIC | 5 |
23-35-12.9 |
43.39 |
41.42 |
1 |
11 |
| 5.1 ML | | | UNSSPG | 6 |
23-35-24.0 |
43.22 |
41.54 |
10 |
31 |
| 4.9 ML | | 323 | RSSC | |
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 |
UNSSPG - United National Survey for Seismic Protection , Georgia |
RSSC - Republican Seismic Survey Center of Azerbaijan National Academy of Sciences |
Epicenter |
Fig. 3 presents with red star epicenter of this earthquake which origin was located at the depth of 5 km, 3 km N-E of Dombai, 19 km S-S-W of Teberda, 41 km S-E of Arkhyz, 56 km S-S-W of Karachaevsk, 108 km S-S-W of Cherkessk. |
 Figure 3 |
|
Macroseismic manifestations |
In accordance with GS RAS this earthquake with intensity 2 was weakly felt at the upper floors of buildings in Teberda, Dombai, Nizhny Arkhyz and Arkhyz. |