Overall Green Earthquake alert in China on 24 Oct 2020 18:04 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 4.7 in China on 24 Oct 2020 18:04 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:	4.7M
Depth:	40.47 Km
Lat/Lon:	31.8024 , 104.2935
Event Date:	24 Oct 2020 18:04 UTC 25 Oct 2020 02:04 Local
Exposed Population:	7660000 people within 100km
Source:	NEIC us6000ccpl
Inserted at:	24 Oct 2020 20:37 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
us6000ccpl	Scaled population (vector)	6.76
	C1 earthquake	1.39
	C2 earthquake	-0.24
	Country Vulnerability	0.26
	INFORM_normalised	0.82

Maximum expected impact using different data sources.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1339550		0	24 Oct 2020 18:04	4.7M, 40.47km	N/A	7.7 million (in 100km)		02:32	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 , Province of Sichuan (population 118,811,800) . The nearest places are Zhicheng, Beychuan', Zhongxin, Beichuan, Tumen, An, An Xian, Hsiao-pa-ti, Tongkou, Fuxing, and Hsiao-hsi-pa.

Radius	Population
100 km	7.7 million people
75 km	4.5 million people
50 km	1.5 million people
20 km	120000 people
10 km	26000 people
5 km	5800 people
2 km	<1000 people

Affected Provinces

Region Province	Country	Population
Sichuan	China	118.8 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Zhicheng	Sichuan	China	Village	-	7 km
Beychuan'	Sichuan	China	Village	-	11 km
Zhongxin	Sichuan	China	Village	-	13 km
Beichuan	Sichuan	China	Village	-	15 km
Tumen	Sichuan	China	Village	-	19 km
An	Sichuan	China	Village	-	20 km
An Xian	Sichuan	China	Village	-	21 km
Hsiao-pa-ti	Sichuan	China	Village	-	27 km
Tongkou	Sichuan	China	Village	-	27 km
Fuxing	Sichuan	China	Village	-	28 km
Tou-k'ou	Sichuan	China	Village	-	33 km
Hsiu-shui-ho	Sichuan	China	Village	-	33 km
Jianshe	Sichuan	China	Village	-	37 km
Huagaizhen	Sichuan	China	Village	-	37 km
Xingta	Sichuan	China	Village	-	40 km
Chiang-chang	Sichuan	China	Village	-	40 km
Hanwang	Sichuan	China	Village	-	41 km
Chang-ming	Sichuan	China	City	-	41 km
Wudu	Sichuan	China	City	-	42 km
Heqing	Sichuan	China	Village	-	42 km
Longfengchang	Sichuan	China	Village	-	43 km
Doukou	Sichuan	China	Village	-	43 km
Qinglianchang	Sichuan	China	Village	-	43 km
Maowen	Sichuan	China	City	-	44 km
Sanhechang	Sichuan	China	Village	-	44 km
Suojiang	Sichuan	China	Village	-	44 km
Jiangyou	Sichuan	China	City	130000 people	44 km
Chiang-yu	Sichuan	China	Village	-	46 km
Zhongba	Sichuan	China	Village	-	48 km
Yongxing	Sichuan	China	Village	-	49 km
Mianzhu	Sichuan	China	City	-	52 km
Lo-chiang	Sichuan	China	Village	-	53 km
Zhongxing	Sichuan	China	Village	-	54 km
Mianyang	Sichuan	China	City	260000 people	55 km
Hongqi	Sichuan	China	Village	-	55 km
Xiangyanba	Sichuan	China	Village	-	56 km
Hsü-t'ang-pao	Sichuan	China	Village	-	56 km
Lianghekou	Sichuan	China	Village	-	56 km
Muguaping	Sichuan	China	Village	-	57 km
Dadian	Sichuan	China	Village	-	58 km
Luojiang	Sichuan	China	City	-	58 km
Mien-chou	Sichuan	China	Village	-	58 km
Shigu	Sichuan	China	Village	-	59 km
Shaba	Sichuan	China	Village	-	59 km
Daqiao	Sichuan	China	Village	-	61 km
Hsiao-ch'üan-chen	Sichuan	China	Village	-	61 km
Hefengchang	Sichuan	China	Village	-	61 km
Taiping	Sichuan	China	Village	-	62 km
Huang-hsü	Sichuan	China	Village	-	62 km
Chiao-ch'ang-pa	Sichuan	China	Village	-	63 km
Hongbai	Sichuan	China	Village	-	65 km
Tonghua	Sichuan	China	Village	-	65 km
Wen-chen-kuan	Sichuan	China	Village	-	65 km
Hsin-shih	Sichuan	China	Village	-	65 km
Chi-kua-kan	Sichuan	China	Village	-	66 km
Tucheng	Sichuan	China	Village	-	67 km
Yongxing	Sichuan	China	Village	-	67 km
Liya	Sichuan	China	Village	-	68 km
Neychen	Sichuan	China	Village	-	68 km
Shangsuoqiao	Sichuan	China	Village	-	69 km
Hsiao-hsi-pa	Sichuan	China	Village	-	70 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
Mianyang		30480				0	62 km
Chendukuanghan		462				0	95 km

Dams

Dam Name	River	Year	Distance
Baishuihe	Trib. Pei Jiang	n/a	30 km
Shangyou	Trib. Pei Jiang	n/a	40 km
Zhenzhuya	Trib. Pei Jiang	n/a	77 km
Tuanjie	Trib. Pei Jiang	n/a	89 km
Hongqiyan	Trib. Pei Jiang	1971	97 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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