Overall Green Earthquake alert in China on 21 Feb 2018 23:10 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 5 in China on 21 Feb 2018 23:10 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:	5.0M
Depth:	10 Km
Lat/Lon:	23.3971 , 121.6286
Event Date:	21 Feb 2018 23:10 UTC 22 Feb 2018 07:10 Local
Exposed Population:	730000 people within 100km
Source:	NEIC us2000d669
Inserted at:	21 Feb 2018 23:29 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
us2000d669	Scaled population (vector)	5.67
	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
1200092		0	21 Feb 2018 23:10	5M, 10km	N/A	740 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 , Province of Taiwan (population 22,456,987) . The nearest places are Chang-yüan, Ta-chiang-k'ou, Shih-ti-ping, Chia-tsou-wan Pi, Feng-pin, Sung-pu, Ta-lo-ma, T'ai-kao-li, Wu-shih Pi, San-li, and Hsin-ch'ang-ts'un.

Radius	Population
100 km	740000 people
75 km	390000 people
50 km	130000 people
20 km	6500 people
10 km	no people
5 km	no people
2 km	no people

Affected Provinces

Region Province	Country	Population
Taiwan	China	22.5 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Chang-yüan	Hua-lien	Taiwan	Village	-	17 km
Ta-chiang-k'ou	Hua-lien	Taiwan	Village	-	17 km
Shih-ti-ping	Hua-lien	Taiwan	City	-	17 km
Chia-tsou-wan Pi	T'ai-tung	Taiwan	City	-	21 km
Feng-pin	Hua-lien	Taiwan	Village	-	25 km
Sung-pu	Hua-lien	Taiwan	Village	-	27 km
Ta-lo-ma	Hua-lien	Taiwan	Village	-	27 km
T'ai-kao-li	Hua-lien	Taiwan	Village	-	29 km
Wu-shih Pi	T'ai-tung	Taiwan	City	-	30 km
San-li	Hua-lien	Taiwan	Village	-	30 km
Fu-min	Hua-lien	Taiwan	Village	-	32 km
Yü-li	Hua-lien	Taiwan	City	-	34 km
Sha-lao	Hua-lien	Taiwan	Village	-	34 km
Chia-lu-lan	Hua-lien	Taiwan	Village	-	36 km
San Hsien Tai	T'ai-tung	Taiwan	City	-	37 km
Cho-ch'ing-ts'un	Hua-lien	Taiwan	Village	-	38 km
Lieh-k'o-ni	Hua-lien	Taiwan	Village	-	42 km
Cheng-kung	T'ai-tung	Taiwan	City	-	42 km
Feng-kuang	Hua-lien	Taiwan	Village	-	44 km
Chung-hu	Hua-lien	Taiwan	Village	-	44 km
Shui-lien	Hua-lien	Taiwan	Village	-	44 km
Fu-li	T'ai-tung	Taiwan	Village	-	47 km
Feng-lin	Hua-lien	Taiwan	Village	-	49 km
Hsin-i	T'ai-tung	Taiwan	Village	-	52 km
Feng-shan	Hua-lien	Taiwan	Village	-	53 km
Ch'ih-shang	T'ai-tung	Taiwan	City	-	54 km
Shui-chui	T'ai-tung	Taiwan	Village	-	55 km
Ch'ing-hsi	T'ai-tung	Taiwan	Village	-	55 km
Wu-ssu	Hua-lien	Taiwan	Village	-	56 km
Chien-fan	Hua-lien	Taiwan	Village	-	56 km
Tu-ho	T'ai-tung	Taiwan	Village	-	58 km
Ch'u-yin	Hua-lien	Taiwan	Village	-	62 km
Kuan-shan	T'ai-tung	Taiwan	Village	-	62 km
Hsia-ma	T'ai-tung	Taiwan	Village	-	64 km
Hua-lien	Hua-lien	Taiwan	Major city	-	65 km
Jung-shu	Hua-lien	Taiwan	Village	-	65 km
Pa-t'ung-kuan	Nan-t'ou	Taiwan	Village	-	67 km
A-hou-liao	T'ai-tung	Taiwan	Village	-	68 km
Hsin-ch'ang-ts'un	T'ai-tung	Taiwan	Village	-	68 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
Hualien	HUN	16	Civ.	Paved	Yes	9000	69 km
Taitung	TTT	37	Mil.	Paved	No	11000	81 km
Green Island	GNI	8	Civ.	Paved	No	3300	82 km
Sun Moon Lake	SMT	unknown				0	89 km
Feng Nin		42	Civ.	Paved	Yes	7900	89 km

Ports

Name	LOCODE	Country	Distance
Hualien	TWHUN	Taiwan	66 km
Tai Tung		Taiwan	92 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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