Information message about sensitive earthquake in Georgia on January 19, 2011 |
| The sensitive earthquake with M=5.3 has occurred in Georgia on January 19, 2011 at 9:17 GMT (12:17 Moscow time). |
| 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 12 min after
registration to the Ministry of Emergency of the Russian Federation (EMERCOM). |
| Preliminary processing has been done with data from 11 stations, accurate processing - with data 57 stations. |
| Fig. 1 presents fragments of records obtained from digital stations Neitrino (∆ 1.2º), Nalchik (∆ 1.6º), Kislovodsk (∆ 2º), Garni (∆ 2.5º). Fig. 2 presents fragments of records obtained from digital stations Kiev (∆ 12.7º), Obninsk (∆ 13.7º), Arti (∆ 17.7º), Vasula (∆ 19.3º).
|
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 |
09-17-47.7 |
42.01 |
42.66 |
10 |
57 |
5.2/12 | 5.3/19 | 7-7.5 | 62 | IPC GS RAS (Accurate) | | 2 |
09-17-47.5 |
41.91 |
42.72 |
5 |
11 |
| 5.7 | 8-8.5 | | IPC GS RAS (Preliminary) | | 3 |
09-17-49.3 |
42.01 |
42.57 |
2 |
368 |
| 5.3 | | 25 | CSEM | | 4 |
09-17-50.8 |
41.98 |
42.65 |
14.2 |
105 |
| 5.3/1 | | 29 | NEIC | | 5 |
09-17-48.1 |
41.95 |
42.71 |
1 |
|
ML 5.6 | | | | UNSSPG | |
| 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 |
| Epicenter |
| Fig. 3 presents with red star epicenter of this earthquake, it's origin was located on territory of Georgia, at the depth of 10 km, 30 km S-S-W from Kutaisi, 63 km W-N-W from Borjomi, 175 km S-E from Sokhumi. |
Figure 3 |
|
| Aftershock |
| GS RAS registered 4 aftershocks with М>3.7 in one hour after the main shock. |
| N |
Date & Time (GMT)
yy-mm-dd hh:mm:sec |
Lat
degr. |
Lon
degr. |
Depth
km |
N
station |
Ms/ N |
mb/ N |
Io
calc. |
Region |
| 20110255 | 2011-01-19 09:24:35.0 | 41.98 | 42.8 | 10 | 9 | - | 4.0/ 1 | 3 | Georgia-Armenia-Turkey bord reg. | | 20110256 | 2011-01-19 09:34:55.0 | 41.77 | 42.64 | 10 | 9 | - | 3.8/ 1 | 2.5-3 | Georgia-Armenia-Turkey bord reg. | | 20110257 | 2011-01-19 09:51:12.0 | 41.99 | 42.69 | 10 | 27 | - | 4.4/ 7 | 4 | Georgia-Armenia-Turkey bord reg. | | 20110258 | 2011-01-19 10:02:54.0 | 41.95 | 42.69 | 10 | 18 | - | 4.2/ 4 | 3.5 | Georgia-Armenia-Turkey bord reg. | |
| Macroseismic manifestations |
| In accordance with NEIC USA this earthquake was felt in towns of Georgia with intensities up to 6 MSK. In accordance with GS RAS this earthquake was felt in Sochi with intensities 3-4 MSK. |
