M 6.4 in China on 06 Feb 2018 15:50 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: 6.4M
Depth: 9.45 Km
Lat/Lon: 24.1578 , 121.6796
Event Date: 06 Feb 2018 15:50 UTC
06 Feb 2018 23:50 Local
Exposed Population: 7260000 people within 100km
Source: NEIC us1000chhc
Inserted at: 06 Feb 2018 16:12 UTC
INFORM Coping capacity of the alert score
3.6 (Taiwan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 0.8 0.1 0.8
us1000chhc Scaled population (vector) 0 Max wave scenario 0.46m  
  C1 shakemap 0 Max wave realtime 0.13m  
  C2 shakemap 0      
  Country Vulnerability 0      
  INFORM_normalised 0      
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1197605 0.8 06 Feb 2018 15:50 6.4M, 9.45km 7.53 170 thousand (in MMI>=VII) 0.1m (at 00:14) 00:21 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 T'ieh-chia-lung-she, Hsin-ch'eng, Ta-shan, Ao-hua, Hua-lien, Lo-shao, Ch'u-yin, Jung-shu, Chi-chia-yang, Chiu-wu-t'a, and Fweng-yüan.

Radius Population
100 km 7.3 million people
75 km 780000 people
50 km 260000 people
20 km 75000 people
10 km 9800 people
5 km 3800 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Taiwan China 22.5 million people

Affected populated places

Name Region Province Country City class Population Distance
T'ieh-chia-lung-she Hua-lien Taiwan City - 4 km
Hsin-ch'eng Hua-lien Taiwan City - 6 km
Ta-shan Hua-lien Taiwan Village - 16 km
Ao-hua I-lan Taiwan Village - 20 km
Hua-lien Hua-lien Taiwan Major city - 22 km
Lo-shao Hua-lien Taiwan Village - 25 km
Ch'u-yin Hua-lien Taiwan Village - 28 km
Jung-shu Hua-lien Taiwan Village - 28 km
Chi-chia-yang I-lan Taiwan Village - 31 km
Chiu-wu-t'a I-lan Taiwan Village - 32 km
Kuan-yüan Hua-lien Taiwan Village - 35 km
Nan-ao I-lan Taiwan City - 37 km
Wan-shan-t'ang Hua-lien Taiwan Village - 38 km
Feng-shan Hua-lien Taiwan Village - 39 km
Shui-lien Hua-lien Taiwan Village - 43 km
Mi-lo Hsin-chu Taiwan Village - 43 km
Sung-pai T'ai-chung Taiwan Village - 44 km
Chieh-hsiao-ts'un T'ai-chung Taiwan Village - 44 km
Feng-lin Hua-lien Taiwan Village - 46 km
Ching-kuan Nan-t'ou Taiwan Village - 48 km
Chien-fan Hua-lien Taiwan Village - 49 km
Tu-chang I-lan Taiwan Village - 51 km
Su-ao I-lan Taiwan City - 51 km
Feng-kuang Hua-lien Taiwan Village - 52 km
Chia-lu-lan Hua-lien Taiwan Village - 52 km
Hung-hsiang T'ai-chung Taiwan Village - 52 km
A-li-shih I-lan Taiwan Village - 56 km
Chieh-shou-t'ing Nan-t'ou Taiwan Village - 57 km
Yü-lan I-lan Taiwan Village - 58 km
Chia-li-wan I-lan Taiwan Village - 60 km
Sha-lao Hua-lien Taiwan Village - 61 km
Ch'ing-shan T'ai-chung Taiwan Village - 61 km
Chung-hu Hua-lien Taiwan Village - 63 km
Chao-jih Hsin-chu Taiwan Village - 64 km
Feng-pin Hua-lien Taiwan Village - 64 km
Hsiu-luan Hsin-chu Taiwan Village - 65 km
Chiu-hsiung-lin I-lan Taiwan Village - 66 km
Tzu-yüan Nan-t'ou Taiwan Village - 66 km
Ch'ia-la T'ao-yuan Taiwan Village - 66 km
I-lan I-lan Taiwan Major city - 68 km
Chia-fei-yüan T'ai-chung Taiwan Village - 68 km
Pan-ch'iao T'ai-pei Taiwan Major city - 94 km
Hsin-chu Hsin-chu Shih Taiwan Major city - 97 km
Miao-li Miao-li Taiwan Major city - 98 km
Tao-yüan T'ao-yuan Taiwan Major city - 99 km
Taipei T'ai-pei Chuan-Shih Taiwan Capital 2.5 million people 99 km
Fweng-yüan T'ai-chung Taiwan Major city - 99 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 16 km
Lishan LHN unknown 0 48 km
9 0 64 km
Sun Moon Lake SMT unknown 0 82 km
Lung Tan 241 Civ. Paved No 3200 89 km
Pa Kuei 141 0 94 km

Ports

Name LOCODE Country Distance
Hualien TWHUN Taiwan 19 km
Suao TWSUO Taiwan 52 km

Dams

Reservoir Dam Name River Year Distance
Guguan Dajiaxi 1961 68 km
Shihmen Tahan 1964 84 km
Mingteh Houlung 1970 93 km

Nuclear plants

Name Country Reactors Distance
LUNG-MEI TAIWAN 2 29 km

More information

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