Overall Green Earthquake alert in China on 22 May 2011 10:52 UTC

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 4.9 in China on 22 May 2011 10:52 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:	4.9M
Depth:	Km
Lat/Lon:	41.9661 , 82.3191
Event Date:	22 May 2011 10:52 UTC 22 May 2011 18:52 Local
Exposed Population:	860000 people within 100km
Source:	NEIC usc0003l5w
Inserted at:	22 May 2011 11:12 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0.5		0.5
usc0003l5w	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	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
109185		0.5	22 May 2011 10:52	4.9M, 27.2km	N/A	860 thousand (in 100km)		00:20	NEIC

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 , Autonomous Region of Xinjiang (population 16,794,560) . The nearest places are Hei-tzu-erh, Sai-la-mu-shih, Sai-li-mu, Sayram, Ming Bulak, Arguma, Bay, Hei-ying-shan, Chi-lan-shih, Qiantodong, and Chang-shi-pi.

Radius	Population
100 km	1 million people
75 km	710000 people
50 km	260000 people
20 km	39000 people
10 km	no people
5 km	no people
2 km	no people

Affected Provinces

Region Province	Country	Population
Xinjiang	China	16.8 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Hei-tzu-erh	Xinjiang (Sinkiang)	China	Village	-	16 km
Sai-la-mu-shih	Xinjiang (Sinkiang)	China	Village	-	18 km
Sai-li-mu	Xinjiang (Sinkiang)	China	Village	-	26 km
Sayram	Xinjiang (Sinkiang)	China	Village	-	30 km
Ming Bulak	Xinjiang (Sinkiang)	China	Village	-	33 km
Arguma	Xinjiang (Sinkiang)	China	Village	-	36 km
Bay	Xinjiang (Sinkiang)	China	Village	-	38 km
Hei-ying-shan	Xinjiang (Sinkiang)	China	Village	-	39 km
Chi-lan-shih	Xinjiang (Sinkiang)	China	Village	-	40 km
Qiantodong	Xinjiang (Sinkiang)	China	Village	-	42 km
Yulghum Yakka	Xinjiang (Sinkiang)	China	Village	-	43 km
La-mu-pi	Xinjiang (Sinkiang)	China	Village	-	44 km
Yengimahalla	Xinjiang (Sinkiang)	China	Village	-	48 km
Ch'ien-fo-tung	Xinjiang (Sinkiang)	China	Village	-	49 km
Toksu	Xinjiang (Sinkiang)	China	Village	-	50 km
Tieh-te-la-erh	Xinjiang (Sinkiang)	China	Village	-	54 km
Kocha	Xinjiang (Sinkiang)	China	Village	-	55 km
Kuqa	Xinjiang (Sinkiang)	China	City	-	58 km
Cha-mu-ku-lu-ko	Xinjiang (Sinkiang)	China	Village	-	60 km
Po-ssu-tan-shih	Xinjiang (Sinkiang)	China	Village	-	62 km
Chang-shi-pi	Xinjiang (Sinkiang)	China	Village	-	67 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
Kuqa	KCA	unknown				0	54 km
Kuqaxian		1062				0	62 km

More information

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

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