Overall Green Earthquake alert in China on 21 Jan 2021 19:34 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 4.5 in China on 21 Jan 2021 19:34 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:	4.5M
Depth:	38.97 Km
Lat/Lon:	28.1256 , 105.008
Event Date:	21 Jan 2021 19:34 UTC 22 Jan 2021 03:34 Local
Exposed Population:	10110000 people within 100km
Source:	NEIC us7000d26x
Inserted at:	21 Jan 2021 20:32 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
us7000d26x	Scaled population (vector)	6.93
	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
1354200		0	21 Jan 2021 19:34	4.5M, 38.97km	N/A	10.1 million (in 100km)		00:58	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 Zhangguansi, Yongxing, Daba, Lo-piao, Shangluochang, Gaotian, Didong, Hingwen, Ku-sung, Gusong, and Dadukou.

Radius	Population
100 km	10.1 million people
75 km	5.2 million people
50 km	2.2 million people
20 km	280000 people
10 km	53000 people
5 km	13000 people
2 km	1500 people

Affected Provinces

Region Province	Country	Population
Sichuan	China	118.8 million people
Yunnan	China	41 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Zhangguansi	Yunnan	China	Village	-	12 km
Yongxing	Sichuan	China	Village	-	13 km
Daba	Sichuan	China	Village	-	14 km
Lo-piao	Sichuan	China	Village	-	20 km
Shangluochang	Sichuan	China	Village	-	21 km
Gaotian	Yunnan	China	Village	-	25 km
Didong	Sichuan	China	Village	-	26 km
Hingwen	Sichuan	China	Village	-	26 km
Ku-sung	Sichuan	China	Village	-	28 km
Gusong	Sichuan	China	Village	-	29 km
Chiu-chang-ning	Sichuan	China	City	-	31 km
Hongqiao	Sichuan	China	Village	-	32 km
Gong Xian	Sichuan	China	City	-	36 km
Shuanghe	Yunnan	China	Village	-	36 km
Cha-hsi	Yunnan	China	Village	-	37 km
Lo-pa-ti	Sichuan	China	Village	-	37 km
Fenshuijie	Sichuan	China	Village	-	37 km
Mu'ai	Sichuan	China	Village	-	39 km
Hsü-yung	Sichuan	China	Village	-	39 km
Fenshui	Sichuan	China	Village	-	39 km
Lo-hsing-tu	Sichuan	China	Village	-	42 km
Yuhe	Yunnan	China	Village	-	43 km
Maling	Sichuan	China	Village	-	45 km
Dashu	Sichuan	China	Village	-	46 km
Yangling	Sichuan	China	Village	-	46 km
Xunchang	Sichuan	China	Village	64000 people	47 km
Hsun-ssu-ch'ang	Sichuan	China	Village	-	47 km
Jiangmenchang	Sichuan	China	Village	-	47 km
Yunlian	Sichuan	China	City	-	49 km
Changning	Sichuan	China	City	-	51 km
An-ning	Sichuan	China	Village	-	51 km
Dawan	Yunnan	China	Village	-	51 km
Potou	Yunnan	China	Village	-	51 km
Chün-lien	Sichuan	China	Village	-	52 km
Dipeng	Sichuan	China	Village	-	52 km
Gao Xian	Sichuan	China	City	-	52 km
Shaheyi	Sichuan	China	Village	-	53 km
Luochang	Sichuan	China	Village	-	53 km
Ch'ing-fu	Sichuan	China	Village	-	54 km
Shangmachang	Sichuan	China	Village	-	54 km
Mangbu	Yunnan	China	Village	-	55 km
Shiba	Sichuan	China	Village	-	55 km
Shuiwei	Sichuan	China	Village	-	56 km
Lo-k'an	Yunnan	China	Village	-	57 km
Ch'ing-fu-hsien	Sichuan	China	Village	-	58 km
Niu--kun-tang	Yunnan	China	Village	-	58 km
Yingpanshan	Sichuan	China	Village	-	59 km
Qingfu	Sichuan	China	City	-	60 km
Gujiahe	Sichuan	China	Village	-	60 km
Chihshui	Sichuan	China	Village	-	61 km
Linkou	Guizhou	China	Village	-	61 km
Niuzhai	Yunnan	China	Village	-	63 km
Huguochang	Sichuan	China	Village	-	64 km
Moni	Sichuan	China	Village	-	64 km
Banqiao	Yunnan	China	Village	-	65 km
Te-yao-kuan	Sichuan	China	Village	-	66 km
Niujie	Yunnan	China	Village	-	66 km
Yanzikou	Guizhou	China	Village	-	66 km
Jinshawan	Sichuan	China	Village	-	67 km
Guihuachang	Sichuan	China	Village	-	67 km
Wude	Yunnan	China	Village	-	67 km
Jiangan	Sichuan	China	City	-	68 km
Muxiang	Yunnan	China	Village	-	68 km
Baoyuan	Sichuan	China	Village	-	68 km
Miaoba	Yunnan	China	Village	-	69 km
Liangyan	Guizhou	China	Village	-	69 km
Dadukou	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
Yibin Heliport P		250				0	88 km
Luzhou	LZO	219				0	89 km

Dams

Reservoir	Dam Name	River	Year	Distance
	Haojiacun		n/a	58 km
	Mamiao		1959	71 km

More information

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

Disclaimer
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