Overall Green Earthquake alert in China on 21 Aug 2017 01:12 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 21 Aug 2017 01:12 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:	10 Km
Lat/Lon:	30.4077 , 94.9329
Event Date:	21 Aug 2017 01:12 UTC 21 Aug 2017 09:12 Local
Exposed Population:	About 81000 people within 100km
Source:	NEIC us2000aa25
Inserted at:	21 Aug 2017 01:31 UTC
INFORM Coping capacity of the alert score	3.6 (China)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0		0
us2000aa25	Scaled population (vector)	0
	C1 earthquake	1
	C2 earthquake	0
	Country Vulnerability	0
	INFORM_normalised	1

Maximum expected impact using different data sources.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1178080		0	21 Aug 2017 01:12	4.9M, 10km	N/A	80 thousand (in 100km)		00:18	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 Xizang (population 2,433,427) . The nearest places are I-Kung, Yi'ong Nongchang, Parlung Zangbo, Talu, Tang, Pêlung, Dêrtang, Qabnag, Xümo, Lhazê, and En-chu-ko.

Radius	Population
100 km	81000 people
75 km	45000 people
50 km	11000 people
20 km	1600 people
10 km	<1000 people
5 km	<1000 people
2 km	<1000 people

Affected Provinces

Region Province	Country	Population
Xizang	China	2.4 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
I-Kung	Xizang (Tibet)	China	Village	-	6 km
Yi'ong Nongchang	Xizang (Tibet)	China	Village	-	24 km
Parlung Zangbo	Xizang (Tibet)	China	Village	-	28 km
Talu	Xizang (Tibet)	China	Village	-	31 km
Tang	Xizang (Tibet)	China	Village	-	33 km
Pêlung	Xizang (Tibet)	China	Village	-	39 km
Dêrtang	Xizang (Tibet)	China	Village	-	42 km
Qabnag	Xizang (Tibet)	China	Village	-	45 km
Xümo	Xizang (Tibet)	China	Village	-	45 km
Lhazê	Xizang (Tibet)	China	Village	-	45 km
Dongjug	Xizang (Tibet)	China	Village	-	47 km
Sotang	Xizang (Tibet)	China	Village	-	48 km
Paggai	Xizang (Tibet)	China	Village	-	53 km
Banbar	Xizang (Tibet)	China	Village	-	53 km
Domartang	Xizang (Tibet)	China	Village	-	59 km
Bari	Xizang (Tibet)	China	Village	-	60 km
Coka	Xizang (Tibet)	China	Village	-	62 km
Lunang	Xizang (Tibet)	China	Village	-	67 km
En-chu-ko	Xizang (Tibet)	China	Village	-	68 km

see full list

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.

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