M 5.3 in China on 12 May 2008 20:45 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.

Updated: this report is based on episode 1.

Earthquake Magnitude: 5.3M
Depth: 10 Km
Lat/Lon: 31.759 , 104.42
Event Date: 12 May 2008 20:45 UTC
13 May 2008 04:45 Local
Exposed Population:
8700000 people within 100km
Source: NEIC
Inserted at: 12 May 2008 21:51 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
39151 2 12 May 2008 20:45 5.5M, 46km N/A 9.9 million (in 100km) 00:11 GEOFON
39152 0.5 12 May 2008 20:45 5.2M, 43km N/A 10.2 million (in 100km) 00:16 GEOFON
39155 0.5 12 May 2008 20:45 5.3M, 29km N/A 10.2 million (in 100km) 00:26 GEOFON
39157 0.5 12 May 2008 20:45 5.1M, 10km N/A 9.5 million (in 100km) 00:36 NEIC
39161 0.5 12 May 2008 20:45 5.3M, 10km N/A 8.7 million (in 100km) 01:06 NEIC
39162 0.5 12 May 2008 20:45 5.3M, 10km N/A 8.7 million (in 100km) 01:11 NEIC
39221 0.5 12 May 2008 20:45 5.3M, 2km N/A 8.2 million (in 100km) 10:27 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 China , Province of Sichuan (population 118,811,800) .

Radius Population
100 km no people
75 km 7.2 million people
50 km 3.2 million people
20 km 310000 people
10 km 23000 people
5 km 3800 people
2 km <1000 people

Affected Provinces

Country Region Province Population
China Sichuan 118.8 million people

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
Mianyang 30480 55 km
Chendukuanghan 462 79 km

More information

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