M 4.7 in Russia from 12 Apr 2009 01:54 UTC to 01:54

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.

Updated: this report is based on episode 1.

Earthquake Magnitude: 4.7M
Depth: Km
Lat/Lon: 46.3106 , 151.771
Event Date: 12 Apr 2009 01:54 UTC
12 Apr 2009 11:54 Local
Exposed Population:
about 300 people within 100km
Source: NEIC
Inserted at: 12 Apr 2009 02:25 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.5 0.5
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
55213 0.5 12 Apr 2009 01:54 5M, 54km N/A No people affected (in 100km) 00:16 GEOFON
55214 0.5 12 Apr 2009 01:54 5M, 50km N/A No people affected (in 100km) 00:21 GEOFON
55215 0.5 12 Apr 2009 01:54 4.7M, 35km N/A Few people (in 100km) 00:31 NEIC
55218 0.5 12 Apr 2009 01:54 4.6M, 35km N/A Few people (in 100km) 02:01 NEIC
55250 0.5 12 Apr 2009 01:54 4.7M, 40km N/A Few people (in 100km) 05:31 EMSC
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 Russian Federation , Region of Sakhalinskaya oblast' (population 731,237) .

Radius Population
100 km no people
75 km no people
50 km no people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Sakhalinskaya oblast' Russian Federation 730000 people

Critical infrastructure

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

More information

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