M 6.4 in China on 06 Feb 2018 15:50 UTC

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 ()

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.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.


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 7.3 million 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 ,of Taiwan (population 22,456,987) . The alertlevel for this event is GREEN

Intensity Population
180000 people
47000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0.5 1197605 24.158/121.68 6.4 9.45 7.26 06 Feb 2018 16:13 00:23 (new episode)
2 0.1 1197605 24.158/121.68 6.4 9.45 6.92 06 Feb 2018 17:54 02:03 (upd of #1)
3 0 1197605 24.174/121.653 6.4 10.64 6.7 06 Feb 2018 18:42 02:51 (upd of #2)
4 0.5 1197605 24.174/121.653 6.4 10.64 7.34 07 Feb 2018 02:00 10:10 (upd of #3)
5 0.8 1197605 24.174/121.653 6.4 10.64 7.53 07 Feb 2018 17:09 1d 01:18 (upd of #4)

Affected Provinces

Intensity Region Province Country Population
Taiwan China 140000 people
Taiwan China 45000 people
Taiwan China 18.5 million people
Taiwan China 3.9 million people
Okinawa Japan 89000 people
Fujian China 17.3 million people
Zhejiang China 1.9 million people

Affected populated places. Areas of interest

Intensity 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 Village5 - 16 km
Hua-lien Hua-lien Taiwan Major city - 22 km
Ao-hua I-lan Taiwan Village5 - 20 km
Lo-shao Hua-lien Taiwan Village5 - 25 km
Ch'u-yin Hua-lien Taiwan Village5 - 28 km
Jung-shu Hua-lien Taiwan Village5 - 28 km
Feng-shan Hua-lien Taiwan Village5 - 39 km
Nan-ao I-lan Taiwan City - 37 km
Shui-lien Hua-lien Taiwan Village5 - 43 km
Mi-lo Hsin-chu Taiwan Village5 - 43 km
Sung-pai T'ai-chung Taiwan Village5 - 44 km
Feng-lin Hua-lien Taiwan Village5 - 46 km
Tu-chang I-lan Taiwan Village5 - 51 km
Su-ao I-lan Taiwan City - 51 km
Feng-kuang Hua-lien Taiwan Village5 - 52 km
Chia-lu-lan Hua-lien Taiwan Village5 - 52 km
Yü-lan I-lan Taiwan Village5 - 58 km
Sha-lao Hua-lien Taiwan Village5 - 61 km
Feng-pin Hua-lien Taiwan Village5 - 64 km
I-lan I-lan Taiwan Major city - 68 km
Ha-lung-t'ai T'ai-chung Taiwan Village5 - 72 km
Fu-min Hua-lien Taiwan Village5 - 73 km
Tao-k'eng Nan-t'ou Taiwan Village5 - 76 km
Pu-li Nan-t'ou Taiwan Village5 - 76 km
Shih-tzu-t'ou T'ai-chung Taiwan Village5 - 77 km
Hsin-le-ts'un Hsin-chu Taiwan Village5 - 78 km
Shih-ti-ping Hua-lien Taiwan City - 78 km
Nei-wan Hsin-chu Taiwan City - 79 km
Tou-cheng I-lan Taiwan City - 79 km
Lu-hu Miao-li Taiwan Village5 - 79 km
Ta-lo-ma Hua-lien Taiwan Village5 - 79 km
Ta-chiang-k'ou Hua-lien Taiwan Village5 - 80 km
Yu-chih Nan-t'ou Taiwan Village5 - 82 km
Ta-p'ing T'ai-chung Taiwan Village5 - 82 km
Chang-yüan Hua-lien Taiwan Village5 - 85 km
Sung-pu Hua-lien Taiwan Village5 - 86 km
Pa-she-pu Nan-t'ou Taiwan Village5 - 87 km
San-li Hua-lien Taiwan Village5 - 87 km
Chu-kao-wu Miao-li Taiwan Village5 - 89 km
Chih-hu Miao-li Taiwan Village5 - 90 km
Ch'e-ch'eng Nan-t'ou Taiwan Village4 - 90 km
Hsin-tien T'ai-pei Chuan-Shih Taiwan City - 91 km
T'ai-kao-li Hua-lien Taiwan Village5 - 92 km
Shui-li Nan-t'ou Taiwan Village5 - 93 km
Chi-yu-tieh Hsin-chu Taiwan Village5 - 93 km
San-wan Hsin-chu Shih Taiwan City - 93 km
Shih-kang T'ai-chung Taiwan City - 94 km
Pan-ch'iao T'ai-pei Taiwan Major city - 94 km
Ying-ko T'ai-pei Taiwan Village4 - 95 km
Chia-tsou-wan Pi T'ai-tung Taiwan City - 96 km
Hsin-chu Hsin-chu Shih Taiwan Major city - 97 km
Miao-li Miao-li Taiwan Major city - 98 km
Shuang-hsi T'ai-pei Taiwan Village4 - 98 km
Tao-yüan T'ao-yuan Taiwan Major city - 99 km
Yü-li Hua-lien Taiwan City - 99 km
Chu-nan Hsin-chu Shih Taiwan City - 99 km
Taipei T'ai-pei Chuan-Shih Taiwan Capital 2.5 million people 99 km
Tai-chung-hsien T'ai-chung Taiwan City - 99 km
Ming-te Nan-t'ou Taiwan Village5 - 99 km
Pei-shih-k'eng Nan-t'ou Taiwan Village5 - 99 km
Fweng-yüan T'ai-chung Taiwan Major city - 99 km
Chung-li T'ao-yuan Taiwan City - 99 km
Wei-she T'ai-chung Taiwan Village5 - 100 km
Hsin-chu T'ao-yuan Taiwan Village5 - 100 km
Hsin-i Nan-t'ou Taiwan Village5 - 102 km
Tung-pu Nan-t'ou Taiwan Village5 - 102 km
Ch'ien-tzu-chiao Hsin-chu Shih Taiwan Village5 - 102 km
Chung-hsing-hsin-ts'un Nan-t'ou Taiwan City - 103 km
Tai-chung T'ai-chung Shih Taiwan Major city - 103 km
Cho-ch'ing-ts'un Hua-lien Taiwan Village5 - 104 km
Ts'ao-t'un Nan-t'ou Taiwan Village5 - 104 km
Shui-wei Nan-t'ou Taiwan Village5 - 105 km
Hsin-hu-k'ou Hsin-chu Taiwan Village5 - 105 km
Lu-ku-hsiang Nan-t'ou Taiwan Village5 - 105 km
Kuang-hsing-ts'un Nan-t'ou Taiwan Village5 - 105 km
Nan-tou Nan-t'ou Taiwan Major city - 106 km
Lin-kou T'ai-pei Taiwan Village4 - 107 km
Wu-shih Pi T'ai-tung Taiwan City - 107 km
Chi-lung Chi-lung Shih Taiwan City 390000 people 107 km
Shih-p'o-hsia T'ao-yuan Taiwan Village5 - 107 km
Yüan-li Miao-li Taiwan City - 108 km
Tung-hsiao Miao-li Taiwan City - 109 km
Ta-pu Chang-hua Taiwan Village5 - 109 km
Hai huang T'ai-chung Taiwan Village5 - 110 km
Chu-wei-tzu Nan-t'ou Taiwan Village5 - 112 km
Chung-fu T'ai-pei Taiwan Village5 - 113 km
Ching-shui T'ai-chung Taiwan City - 113 km
Ta-jen-tung Nan-t'ou Taiwan Village5 - 114 km
Wan-li T'ai-pei Taiwan Village4 - 114 km
Tan-shui T'ai-pei Chuan-Shih Taiwan City - 114 km
San Hsien Tai T'ai-tung Taiwan City - 115 km
Kuan-yin T'ao-yuan Taiwan Village4 - 115 km
Yuan Lin Chang-hua Taiwan City - 116 km
Chang-hua Chang-hua Taiwan Major city - 117 km
Tien-chung Chang-hua Taiwan City - 117 km
Hsia-wei-liao Yun-lin Taiwan Village5 - 118 km
Fu-li T'ai-tung Taiwan Village5 - 118 km
Chin-shan T'ai-pei Taiwan Village4 - 118 km
T'ung-t'ou Nan-t'ou Taiwan Village5 - 120 km
Cheng-kung T'ai-tung Taiwan City - 120 km
Ho-mel Chang-hua Taiwan City - 121 km
Pei-tou Chang-hua Taiwan Village5 - 122 km
San-chih T'ai-pei Taiwan City - 124 km
Ta-t'u-t'ou Chang-hua Taiwan Village5 - 125 km
Ch'ih-shang T'ai-tung Taiwan City - 125 km
Hsi-chou Chang-hua Taiwan Village5 - 126 km
San-pan-t'ou Yun-lin Taiwan Village5 - 126 km
Ha-li-wei Chia-i Taiwan Village5 - 120 km
Ta-pang Chia-i Taiwan Village5 - 124 km
Hsin-i T'ai-tung Taiwan Village5 - 130 km
Ch'ing-hsi T'ai-tung Taiwan Village5 - 133 km
Kuan-shan T'ai-tung Taiwan Village5 - 134 km
Chih-chih-ya-she Chia-i Taiwan Village5 - 135 km
Tu-ho T'ai-tung Taiwan Village5 - 137 km
Fu-hsing Kao-hsiung Taiwan Village5 - 137 km
Min-sheng-ts'un Kao-hsiung Taiwan Village5 - 139 km
A-hou-liao T'ai-tung Taiwan Village5 - 141 km
Ta-pu Chia-i Taiwan Village5 - 147 km
Yung-kang T'ai-tung Taiwan Village5 - 147 km
Ko-la Kao-hsiung Taiwan Village5 - 148 km
Ch'u-lu T'ai-tung Taiwan Village5 - 156 km
Lao-nung Kao-hsiung Taiwan Village5 - 157 km
Chi-hsing T'ai-tung Taiwan Village5 - 159 km
Pao-shan-ts'un Kao-hsiung Taiwan Village5 - 160 km
Chia-hsien-pu Kao-hsiung Taiwan Village5 - 164 km
Shan-tzu-ting T'ai-nan Taiwan Village5 - 164 km
Tai-tung T'ai-tung Taiwan City - 165 km
Pei-shih-k'eng T'ai-nan Taiwan Village5 - 165 km
Nan-liao T'ai-tung Taiwan Village5 - 166 km
Ta-nan T'ai-tung Taiwan Village5 - 168 km
Hai-shen-p'ing T'ai-tung Taiwan Village5 - 168 km
Yü-ching T'ai-nan Taiwan Village5 - 170 km
Tun-na-tsun Kao-hsiung Taiwan Village5 - 171 km
Chien-ho T'ai-tung Taiwan Village5 - 173 km
Hsin-liao Kao-hsiung Taiwan Village5 - 176 km
K'ou-she-liao T'ai-nan Taiwan Village5 - 179 km
Shao-t'an-k'eng Kao-hsiung Taiwan Village5 - 179 km
La-chia T'ai-tung Taiwan Village5 - 180 km
Mei-nung Kao-hsiung Taiwan Village5 - 182 km
P'ai-wan-she P'ing-tung Taiwan Village5 - 183 km
Ch'ü-nu P'ing-tung Taiwan Village5 - 184 km
Tai-ma T'ai-tung Taiwan Village5 - 185 km
Ch'ang-jung-ts'un P'ing-tung Taiwan Village5 - 185 km
Hsiao-wu-shan Kao-hsiung Taiwan Village5 - 187 km
Chi-shan Kao-hsiung Taiwan City - 187 km
Chia-jui-pu P'ing-tung Taiwan Village5 - 188 km
Yung-lung T'ai-nan Taiwan Village5 - 188 km
Hsin-hua T'ai-nan Taiwan City - 188 km
San-ti P'ing-tung Taiwan Village5 - 192 km
Hsin-pu Kao-hsiung Taiwan Village5 - 192 km
Ta-jen-miao T'ai-nan Taiwan Village5 - 193 km
Chieh-ta-ts'un T'ai-tung Taiwan Village5 - 194 km
Chin-lun T'ai-tung Taiwan Village5 - 195 km
Hsi-ting-liao T'ai-nan Shih Taiwan Village5 - 196 km
K'o-la-p'a-yang T'ai-tung Taiwan Village5 - 197 km
A-lian Kao-hsiung Taiwan Village5 - 198 km
Tai-nan T'ai-nan Shih Taiwan Major city - 199 km
Hsiao-chung-lin P'ing-tung Taiwan Village5 - 199 km
Ta-p'ing-ting P'ing-tung Taiwan Village5 - 199 km
Chia-p'ing P'ing-tung Taiwan Village5 - 200 km
An-ping T'ai-nan Shih Taiwan Village5 - 200 km
Hsia-ta-chi T'ai-tung Taiwan Village5 - 203 km
Hai-pu Kao-hsiung Taiwan City - 203 km
Ts'ai-wen Kao-hsiung Taiwan Village5 - 205 km
Shang-fan T'ai-tung Taiwan Village5 - 205 km
Chung-ho Kao-hsiung Taiwan Village5 - 206 km
Pao-she-chia Kao-hsiung Taiwan Village5 - 207 km
Ta-shu P'ing-tung Taiwan Village5 - 208 km
Kang-shan Kao-hsiung Taiwan City - 209 km
Ku-lou P'ing-tung Taiwan Village5 - 209 km
Yung-an-ts'un Kao-hsiung Taiwan Village5 - 211 km
Cho-chia-la T'ai-tung Taiwan Village5 - 212 km
Hoshitate Okinawa Japan Village5 - 212 km
Ta-niao T'ai-tung Taiwan Village5 - 212 km
Shirabaramitake Okinawa Japan Village5 - 213 km
Hung-nan-li Kao-hsiung Taiwan Village5 - 213 km
K'o-tzu-liao Kao-hsiung Chuen-shih Taiwan Village5 - 215 km
Lung-men P'eng-hu Taiwan Village5 - 215 km
Honai Okinawa Japan Village5 - 216 km
Shih-t'ou P'ing-tung Taiwan Village5 - 217 km
Li-chi-li-chi-she P'ing-tung Taiwan Village5 - 217 km
Kuei-shan Kao-hsiung Chuen-shih Taiwan Village5 - 217 km
Hsin-p'i P'ing-tung Taiwan Village5 - 221 km
Ch'eng-ch'ien P'eng-hu Taiwan Village5 - 221 km
I-jen P'ing-tung Taiwan Village5 - 222 km
Toyohara Okinawa Japan Village5 - 222 km
Kao-hsiung Kao-hsiung Chuen-shih Taiwan Major city - 223 km
Wu-lung P'ing-tung Taiwan City - 223 km
Ta-wu T'ai-tung Taiwan City - 223 km
Ma-kung P'eng-hu Taiwan Major city - 223 km
Ch'ang-an P'eng-hu Taiwan Village5 - 224 km
Chu-mu-shui P'eng-hu Taiwan Village5 - 224 km
T'ien-ch'ien-ts'o P'ing-tung Taiwan Village5 - 225 km
P'eng-hu-erh-ts'un P'eng-hu Taiwan Village5 - 226 km
Shui-ti-liao P'ing-tung Taiwan Village5 - 226 km
Hou-ta-ts'o Kao-hsiung Taiwan Village5 - 226 km
Tung-chiang P'ing-tung Taiwan City - 227 km
Nei-wen P'ing-tung Taiwan Village5 - 227 km
Ta-lin-pu Kao-hsiung Taiwan Village5 - 227 km
Chu-kao-wan P'eng-hu Taiwan Village5 - 229 km
Feng-kuei-li P'eng-hu Taiwan Village5 - 229 km
Chia-ho-ts'un P'ing-tung Taiwan Village5 - 230 km
I-la-la-la-k'ou T'ai-tung Taiwan Village5 - 231 km
Hsu-hai P'ing-tung Taiwan Village5 - 233 km
Yeh-yu T'ai-tung Taiwan Village5 - 233 km
Wai-an P'eng-hu Taiwan Village5 - 235 km
Fang-shan P'ing-tung Taiwan Village5 - 235 km

see full list


Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Intensity Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft)
Hualien HUN 16 Civ. Paved Yes 9000
Lishan LHN unknown 0
9 0
Sun Moon Lake SMT unknown 0
Lung Tan 241 Civ. Paved No 3200
Pa Kuei 141 0
Highway Strip 58 60 120 0
Sungshan TSA 6 Civ. Paved Yes 8500
Ao Hu Kou 152 0
Taichung TXG 112 Mil. Paved Yes 5300
Hsinchu HSZ 8 Civ. Paved Yes 12000
Ching Chuan Kang AB 203 Mil. Paved No 12000
Taoyuan 45 Mil. Paved No 10000
Chiang Kai Shek International TPE 33 Civ. Paved Yes 12000
Highway Strip 206 23 0
Yonaguni OGN 21 Civ. Paved Yes 4900
Highway Strip 260 30 0
Chiayi CYI 25 Civ. Paved Yes 10000
Highway Strip 296 298 9 0
Pingtung North 29 Mil. Paved No 8000
Pingtung South 24 Mil. Paved Yes 7800
Taitung TTT 37 Mil. Paved No 11000
Green Island GNI 8 Civ. Paved No 3300
Feng Nin 42 Civ. Paved Yes 7900
Kuei Jen 30 0
Highway Strip 331 334 11 0
Tainan TNN 19 Mil. Paved Yes 10000
Kangshan 10 Mil. Paved No 7500
Hateruma HTR unknown 0
Tso Ying 9 0
Makung AB MZG 31 Mil. Paved Yes 6500
Kaohsiung International KHH 9 Civ. Paved Yes 10300
Iriomote Jima 12 0
P Eng Hu 21 0
Orchid Island KYD 10 Civ. Paved No 4500
Wang An 30 0
Chi Mei CMJ unknown 0
Hengchun HCN 13 Civ. Paved No 3500
Ishigaki ISG 26 Civ. Paved Yes 4900
15 0
Matsu South 30 0
Changle FOC 14 Civ. Paved Yes 11800
Ma Tsu 13 Civ. Paved No 2900
24 0
9 0
19 0
Qingyang IQN 21 0
Jinjiang JJN 6 0
Shang-Yi KNH 12 Mil. Paved Yes 9800
Shatou 9 0
Ta Shan Ting 40 0
Shimojishima SHI 16 Civ. Paved Yes 9800
Xiamen / Gaoqi XMN 18 Civ. Paved Yes 8800
Hirara MMY 45 Civ. Paved Yes 6500
17 0
Luqiaq HYN 9 0

Ports

Intensity Name LOCODE Country
Hualien TWHUN Taiwan
Suao TWSUO Taiwan
Keelung (Chilung) TWKEL Taiwan
Tan Shui Taiwan
Taichung TWTXG Taiwan
Tai Tung Taiwan
Tai Nan Taiwan
An Ping Chiang Taiwan
Irionote Island Japan
Tai Chung Taiwan
Kaohsiung TWKHH Taiwan
Peng Hu Taiwan
Lan Yu Island Taiwan
Ishigaki Japan
Ishigaki Island Japan
Matsu Island Taiwan
Xiuyu China
Lo Hsing Ta Mao Ti China
Fuzhou CNFOC China
Ning Te China
San Tu Ao China
Chin Men China
Xiamen CNXMN China
Hirara Japan
Myako Island Japan
Ku Ao Tou China
Jui An China
Zhangzhou China

Dams

Intensity Reservoir Dam Name River Year
Guguan Dajiaxi 1961
Shihmen Tahan 1964
Mingteh Houlung 1970
Wushantou Offstream Kuantien 1930
Tsengwen Tsengwen 1973
Nagura Nagura Naguragawa 1996
Maezato Maezato Miyaragawa 1982
Sokobaru Sokobaru Sokobarugawa 1992
Jianxin Wanjiaoxi 1974
Dongzhang Long Jiang 1958
Dongzhen Mulanxi 1960
Shanzi Ao Jiang 1996
Lingxi Lingxi 1956
Dongxi Chaiqiaotouxi 1980
Guyang Kuxi 1961
Wutan Daluoxi 1960
Shibi Jiuxi 1958

More information

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