M 3.8 in Bulgaria on 27 Jul 2013 03:21 UTC

Hazard models

EQ parameters
Shakemap
Tsunami

Event summary

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 3.8M
Depth: 22 Km
Lat/Lon: 41.9183 , 23.2127
Event Date: 27 Jul 2013 03:21 UTC
27 Jul 2013 06:21 Local
Exposed Population:
2534318 people within 100km
Source: NOAIG 07F04754
Inserted at: 27 Jul 2013 22:13 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NOAIG 0 0
07F04754 Scaled population (vector) n.a  
  C1 earthquake n.a  
  C2 earthquake n.a  
  Country Vulnerability n.a  
  INFORM_normalised n.a  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1000917 0 27 Jul 2013 03:17 3.8M, 25.3km N/A 2.5 million (in 100km) 16:38 NOAIG
1000927 0 27 Jul 2013 03:21 3.8M, 22km N/A 2.5 million (in 100km) 18:51 NOAIG
The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.
The episode that has the last updated information.
* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Exposed population

The earthquake happened in Bulgaria , Province of Sofiya (population 1,005,792) . The nearest places are Pernik, Gradevo, Dolno Osenovo, and Brezhani.

Radius Population
100 km 2.5 million people
75 km 820000 people
50 km 320000 people
20 km 53000 people
10 km 2600 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Sofiya Bulgaria 1 million people

Affected populated places

Name Region Province Country City class Population Distance
Gradevo Bulgaria Village - 6 km
Brezhani Bulgaria Village - 7 km
Dolno Osenovo Bulgaria Village - 8 km
Pernik Bulgaria Major city 81000 people 81 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
Kocherinovo 488 29 km
122 35 km
Stanke Dimitrov Hwy Strip 387 37 km

Dams

Reservoir Dam Name River Year Distance
Belmeken Kriva 1979 56 km
Kalimanci Bregalnica 1969 57 km

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.