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
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 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 ORANGE

Intensity Population
8400 people
190000 people
390000 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 2100 people
Taiwan China 160000 people
Taiwan China 340000 people
Taiwan China 22 million people
Taiwan China 170000 people
Okinawa Japan 45000 people
Fujian China 9.7 million people
Zhejiang China 370000 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
Ao-hua I-lan Taiwan Village5 - 20 km
Hua-lien Hua-lien Taiwan Major city - 22 km
Ch'u-yin Hua-lien Taiwan Village5 - 28 km
Lo-shao Hua-lien Taiwan Village5 - 25 km
Jung-shu Hua-lien Taiwan Village5 - 28 km
Nan-ao I-lan Taiwan City - 37 km
Feng-shan Hua-lien Taiwan Village5 - 39 km
Shui-lien Hua-lien Taiwan Village5 - 43 km
Feng-lin Hua-lien Taiwan Village5 - 46 km
Su-ao I-lan Taiwan City - 51 km
Feng-kuang Hua-lien Taiwan Village5 - 52 km
Sha-lao Hua-lien Taiwan Village5 - 61 km
I-lan I-lan Taiwan Major city - 68 km
Mi-lo Hsin-chu Taiwan Village5 - 43 km
Sung-pai T'ai-chung Taiwan Village5 - 44 km
Tu-chang I-lan Taiwan Village5 - 51 km
Chia-lu-lan Hua-lien Taiwan Village5 - 52 km
Yü-lan I-lan Taiwan Village5 - 58 km
Feng-pin Hua-lien Taiwan Village5 - 64 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
Ha-li-wei Chia-i 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
Ta-pang Chia-i Taiwan Village5 - 124 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
Yün-lin Yun-lin Taiwan City - 127 km
Shui-chui T'ai-tung Taiwan Village5 - 128 km
Lu-kang Chang-hua Taiwan City - 128 km
Tou-liu Yun-lin Taiwan Major city - 128 km
Ku-keng Yun-lin Taiwan Village5 - 130 km
Pao-shan-ts'un Kao-hsiung Taiwan Village5 - 160 km
Ta-nan T'ai-tung Taiwan Village5 - 168 km
Tun-na-tsun Kao-hsiung Taiwan Village5 - 171 km
La-chia T'ai-tung Taiwan Village5 - 180 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
San-ti P'ing-tung Taiwan Village5 - 192 km
Chieh-ta-ts'un T'ai-tung Taiwan Village5 - 194 km
Chin-lun T'ai-tung Taiwan Village5 - 195 km
K'o-la-p'a-yang T'ai-tung Taiwan Village5 - 197 km
Chia-p'ing P'ing-tung Taiwan Village5 - 200 km
Hsia-ta-chi T'ai-tung Taiwan Village5 - 203 km
Shang-fan T'ai-tung Taiwan Village5 - 205 km
Ku-lou P'ing-tung Taiwan Village5 - 209 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
Lung-men P'eng-hu Taiwan Village5 - 215 km
Honai Okinawa Japan Village5 - 216 km
Li-chi-li-chi-she P'ing-tung Taiwan Village5 - 217 km
Ch'eng-ch'ien P'eng-hu Taiwan Village5 - 221 km
Toyohara Okinawa Japan Village5 - 222 km
Kao-hsiung Kao-hsiung Chuen-shih Taiwan Major 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
P'eng-hu-erh-ts'un P'eng-hu Taiwan Village5 - 226 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
Hung-t'on T'ai-tung Taiwan Village5 - 235 km
Chia-hsin P'ing-tung Taiwan Village5 - 237 km
Agarisuji Okinawa Japan Village5 - 238 km
Cao Yu Fujian China Village4 - 238 km
Chiang tzu P'ing-tung Taiwan Village5 - 238 km
Mu-tan P'ing-tung Taiwan Village5 - 239 km
Houtian Fujian China Village5 - 239 km
Feng-chiang P'ing-tung Taiwan Village5 - 241 km
Liu-chiu Hsu P'ing-tung Taiwan City - 241 km
Pa-yao-lu P'ing-tung Taiwan Village5 - 244 km
Pingtan Fujian China Village5 - 245 km
Fuye Fujian China Village5 - 245 km
Ta-ch'iu Fujian China Village5 - 248 km
Che-cheng P'ing-tung Taiwan Village5 - 251 km
Kuo-ch'i P'ing-tung Taiwan Village5 - 252 km
Ishigaki Okinawa Japan City 44000 people 252 km
She-liao P'ing-tung Taiwan Village5 - 253 km
Chung-p'ing P'eng-hu Taiwan Village5 - 254 km
Qingfeng Fujian China Village5 - 254 km
Hsieh-ma-li P'ing-tung Taiwan Village5 - 254 km
Nanri Fujian China Village5 - 254 km
Heng-chjun P'ing-tung Taiwan City - 257 km
Fubai Okinawa Japan Village5 - 258 km
Gaoshan Fujian China Village5 - 261 km
Shirafu Okinawa Japan Village5 - 261 km
Kenting P'ing-tung Taiwan Village4 - 261 km
O-luan-pi P'ing-tung Taiwan City - 262 km
Ta-kuang P'ing-tung Taiwan Village5 - 263 km
Shicheng Fujian China Village5 - 265 km
Maobitou P'ing-tung Taiwan City - 266 km
Pinghai Fujian China Village5 - 269 km
Hirano Okinawa Japan Village5 - 273 km
Longtian Fujian China City - 276 km
Daitou Fujian China City - 279 km
Tangbian Fujian China City - 280 km
Wuhang Fujian China City - 283 km
P'u-hsi Fujian China Village5 - 283 km
Yuxi Fujian China City - 289 km
Chongwu Fujian China City - 290 km
Kongcheng Fujian China City - 290 km
Hushi Fujian China City - 292 km
Chiang-k'ou Fujian China Village5 - 292 km
Dawu Fujian China Village4 - 295 km
Tantou Fujian China Village5 1600 people 296 km
Fengwei Fujian China Village5 - 296 km
Hanjiang Fujian China City - 297 km
Quqiao Fujian China Village5 - 299 km
Fengwo Fujian China Village5 - 301 km
Langqi Fujian China City - 301 km
Ting-hai Fujian China Village5 - 302 km
Hsiang-chih Fujian China Village5 - 303 km
Putian Fujian China City 370000 people 304 km
Luocheng Fujian China Village4 - 308 km
Yongning Fujian China Village5 8400 people 310 km
Yixu Fujian China Village5 - 310 km
Shihu Fujian China Village5 3200 people 311 km
Shiokawa Okinawa Japan Village4 - 312 km
Weitou Fujian China Village5 - 316 km
Shih-shih Fujian China Village5 - 316 km
Fuzhou Fujian China Major city 1.1 million people 320 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
9 0
Lishan LHN unknown 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
Taitung TTT 37 Mil. Paved No 11000
Green Island GNI 8 Civ. Paved No 3300
Feng Nin 42 Civ. Paved Yes 7900
Highway Strip 296 298 9 0
Kuei Jen 30 0
Highway Strip 331 334 11 0
Tainan TNN 19 Mil. Paved Yes 10000
Pingtung North 29 Mil. Paved No 8000
Pingtung South 24 Mil. Paved Yes 7800
Kangshan 10 Mil. Paved No 7500
Tso Ying 9 0
Kaohsiung International KHH 9 Civ. Paved Yes 10300
Hateruma HTR unknown 0
Makung AB MZG 31 Mil. Paved Yes 6500
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

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

Dams

Intensity Reservoir Dam Name River Year
Guguan Dajiaxi 1961
Shihmen Tahan 1964
Mingteh Houlung 1970
Tsengwen Tsengwen 1973
Wushantou Offstream Kuantien 1930
Nagura Nagura Naguragawa 1996
Maezato Maezato Miyaragawa 1982
Sokobaru Sokobaru Sokobarugawa 1992

More information

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