Overall Green Earthquake alert in China from 12 May 2008 20:45 UTC to 20:45

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

M 5.3 in China from 12 May 2008 20:45 UTC to 20:45

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:	29 Km
Lat/Lon:	31.63 , 104.29
Event Date:	12 May 2008 20:45 UTC 13 May 2008 04:45 Local
Exposed Population:	10210000 people within 100km
Source:	GEOFON
Inserted at:	12 May 2008 21:12 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
GEOFON	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

ID	Score	Date	Mag, Depth	MMI*	Population**	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.

Disclaimer
While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information.
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