M 5.8 in Taiwan on 18 Apr 2021 14:14 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: 5.8M
Depth: 10 Km
Lat/Lon: 23.87 , 121.535
Event Date: 18 Apr 2021 14:14 UTC
18 Apr 2021 22:14 Local
Exposed Population: About 2000 people in MMI
3780000 people within 100km
Source: NEIC us6000e2mv
Inserted at: 18 Apr 2021 15:41 UTC
INFORM Coping capacity of the alert score: 3.6 (Taiwan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0.6 0.6
us6000e2mv Scaled population (raster) 3.66  
  C1 shakemap -0.59  
  C2 shakemap 0.53  
  Country Vulnerability 0  
  INFORM_normalised 0.82  
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
1370805 0.4 18 Apr 2021 14:14 5.9M, 10km 7.1 20 thousand (in MMI>=VII) 00:17 NEIC
1370812 0.6 18 Apr 2021 14:14 5.8M, 10km 7.59 30 thousand (in MMI>=VII) 01:26 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 8,110) . The alertlevel for this event is GREEN

Intensity Population
2600 people
27000 people
180000 people
120000 people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0.6 1370805 23.896/121.504 5.9 10.0 7.279 18 Apr 2021 14:37 00:22 (new episode)
2 0.4 1370805 23.896/121.504 5.9 10.0 7.095 18 Apr 2021 15:14 00:59 (upd of #1)
3 0.5 1370812 23.87/121.535 5.8 10.0 7.197 18 Apr 2021 16:19 02:05 (new episode)
4 0.5 1370812 23.87/121.535 5.8 10.0 7.586 18 Apr 2021 16:35 02:20 (upd of #3)
5 0.6 1370812 23.87/121.535 5.8 10.0 7.59 19 Apr 2021 14:20 1d 00:06 (upd of #4)
6 0.6 1370812 23.872/121.534 5.8 10.0 7.589 19 Apr 2021 17:58 1d 03:44 (upd of #5)

Affected Provinces

Intensity Region Province Country Population
Taiwan China 26000 people
Taiwan China 160000 people
Taiwan China 42000 people
Taiwan China 14.2 million people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Feng-shan Hua-lien Taiwan Village - 5 km
Shui-lien Hua-lien Taiwan Village - 9 km
Ch'u-yin Hua-lien Taiwan Village - 8 km
Jung-shu Hua-lien Taiwan Village - 11 km
Feng-lin Hua-lien Taiwan Village - 12 km
Hua-lien Hua-lien Taiwan Major city - 14 km
Feng-kuang Hua-lien Taiwan Village - 17 km
Chia-lu-lan Hua-lien Taiwan Village - 18 km
Ta-shan Hua-lien Taiwan Village - 19 km
Sha-lao Hua-lien Taiwan Village - 26 km
Feng-pin Hua-lien Taiwan Village - 30 km
Hsin-ch'eng Hua-lien Taiwan City - 30 km
Fu-min Hua-lien Taiwan Village - 38 km
T'ieh-chia-lung-she Hua-lien Taiwan City - 33 km
Lo-shao Hua-lien Taiwan Village - 39 km
Shih-ti-ping Hua-lien Taiwan City - 44 km
Ta-lo-ma Hua-lien Taiwan Village - 44 km
Ta-chiang-k'ou Hua-lien Taiwan Village - 46 km
Chang-yüan Hua-lien Taiwan Village - 51 km
Sung-pu Hua-lien Taiwan Village - 51 km
Sung-pai T'ai-chung Taiwan Village - 51 km
San-li Hua-lien Taiwan Village - 52 km
Ao-hua I-lan Taiwan Village - 55 km
Tao-k'eng Nan-t'ou Taiwan Village - 56 km
T'ai-kao-li Hua-lien Taiwan Village - 57 km
Pu-li Nan-t'ou Taiwan Village - 60 km
Chia-tsou-wan Pi T'ai-tung Taiwan City - 62 km
Yu-chih Nan-t'ou Taiwan Village - 62 km
Shih-tzu-t'ou T'ai-chung Taiwan Village - 63 km
Pa-she-pu Nan-t'ou Taiwan Village - 63 km
Yü-li Hua-lien Taiwan City - 64 km
Mi-lo Hsin-chu Taiwan Village - 65 km
Ha-lung-t'ai T'ai-chung Taiwan Village - 67 km
Cho-ch'ing-ts'un Hua-lien Taiwan Village - 69 km
Ch'e-ch'eng Nan-t'ou Taiwan Village - 69 km
Shui-li Nan-t'ou Taiwan Village - 71 km
Ta-p'ing T'ai-chung Taiwan Village - 72 km
Nan-ao I-lan Taiwan City - 72 km
Tung-pu Nan-t'ou Taiwan Village - 72 km
Wu-shih Pi T'ai-tung Taiwan City - 72 km
Ming-te Nan-t'ou Taiwan Village - 73 km
Hsin-i Nan-t'ou Taiwan Village - 73 km
Pei-shih-k'eng Nan-t'ou Taiwan Village - 78 km
Tu-chang I-lan Taiwan Village - 78 km
Lu-ku-hsiang Nan-t'ou Taiwan Village - 79 km
San Hsien Tai T'ai-tung Taiwan City - 81 km
Kuang-hsing-ts'un Nan-t'ou Taiwan Village - 81 km
Fu-li T'ai-tung Taiwan Village - 83 km
Shui-wei Nan-t'ou Taiwan Village - 83 km
Chung-hsing-hsin-ts'un Nan-t'ou Taiwan City - 85 km
Cheng-kung T'ai-tung Taiwan City - 86 km
Su-ao I-lan Taiwan City - 86 km
Nan-tou Nan-t'ou Taiwan Major city - 88 km
Ta-jen-tung Nan-t'ou Taiwan Village - 88 km
Ts'ao-t'un Nan-t'ou Taiwan Village - 88 km
Chu-wei-tzu Nan-t'ou Taiwan Village - 89 km
Yü-lan I-lan Taiwan Village - 89 km
Shih-kang T'ai-chung Taiwan City - 90 km
Ch'ih-shang T'ai-tung Taiwan City - 90 km
Lu-hu Miao-li Taiwan Village - 91 km
Ha-li-wei Chia-i Taiwan Village - 92 km
Shui-chui T'ai-tung Taiwan Village - 93 km
Chu-kao-wu Miao-li Taiwan Village - 93 km
Fweng-yüan T'ai-chung Taiwan Major city - 93 km
Tai-chung T'ai-chung Shih Taiwan Major city - 93 km
Ta-pang Chia-i Taiwan Village - 94 km
Tai-chung-hsien T'ai-chung Taiwan City - 94 km
T'ung-t'ou Nan-t'ou Taiwan Village - 94 km
Ta-pu Chang-hua Taiwan Village - 95 km
Hsia-wei-liao Yun-lin Taiwan Village - 96 km
Hsin-i T'ai-tung Taiwan Village - 96 km
Ch'ing-hsi T'ai-tung Taiwan Village - 98 km
Wei-she T'ai-chung Taiwan Village - 98 km
Tien-chung Chang-hua Taiwan City - 98 km
Nei-wan Hsin-chu Taiwan City - 99 km
Kuan-shan T'ai-tung Taiwan Village - 99 km
Yuan Lin Chang-hua Taiwan City - 100 km
Hsin-le-ts'un Hsin-chu Taiwan Village - 100 km
Chih-hu Miao-li Taiwan Village - 101 km
I-lan I-lan Taiwan Major city - 102 km
Pei-tou Chang-hua Taiwan Village - 103 km
Yün-lin Yun-lin Taiwan City - 104 km
Miao-li Miao-li Taiwan Major city - 104 km
Chang-hua Chang-hua Taiwan Major city - 104 km
Chih-chih-ya-she Chia-i Taiwan Village - 105 km
Tou-liu Yun-lin Taiwan Major city - 105 km
Ku-keng Yun-lin Taiwan Village - 105 km
San-pan-t'ou Yun-lin Taiwan Village - 105 km
Shiao-Mei Yun-lin Taiwan Village - 106 km
A-hou-liao T'ai-tung Taiwan Village - 106 km
San-wan Hsin-chu Shih Taiwan City - 106 km
Min-sheng-ts'un Kao-hsiung Taiwan Village - 107 km
Hsi-chou Chang-hua Taiwan Village - 107 km
Ching-shui T'ai-chung Taiwan City - 108 km
Yüan-li Miao-li Taiwan City - 109 km
T'ien-liao Chia-i Taiwan Village - 109 km
Hai huang T'ai-chung Taiwan Village - 109 km
Ta-t'u-t'ou Chang-hua Taiwan Village - 109 km
Chi-yu-tieh Hsin-chu Taiwan Village - 110 km
Ho-mel Chang-hua Taiwan City - 110 km
Chu-nan Hsin-chu Shih Taiwan City - 111 km
Shih-pu Chia-i Taiwan Village - 111 km
Hsi-lo Chang-hua Taiwan City - 111 km
Tung-hsiao Miao-li Taiwan City - 111 km
Hsin-chu Hsin-chu Shih Taiwan Major city - 112 km
Ting-chuang Chang-hua Taiwan Village - 114 km
Hu-wei Yun-lin Taiwan Village - 115 km
Lu-kang Chang-hua Taiwan City - 115 km
Chia-i Chia-i Taiwan Village - 115 km
Ta-pu Chia-i Taiwan Village - 116 km
Ch'ien-tzu-chiao Hsin-chu Shih Taiwan Village - 116 km
Chia-i Chia-i Taiwan City - 119 km
T'u-k'u-chuang Yun-lin Taiwan Village - 120 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) Distance
Hualien HUN 16 Civ. Paved Yes 9000 19 km
Lishan LHN unknown 0 53 km
Sun Moon Lake SMT unknown 0 61 km
Taichung TXG 112 Mil. Paved Yes 5300 96 km
9 0 98 km
Ching Chuan Kang AB 203 Mil. Paved No 12000 103 km
Highway Strip 206 23 0 107 km
Lung Tan 241 Civ. Paved No 3200 113 km
Pa Kuei 141 0 120 km
Highway Strip 260 30 0 121 km
Hsinchu HSZ 8 Civ. Paved Yes 12000 121 km
Ao Hu Kou 152 0 122 km
Chiayi CYI 25 Civ. Paved Yes 10000 125 km
Highway Strip 58 60 120 0 126 km
Sungshan TSA 6 Civ. Paved Yes 8500 133 km
Taoyuan 45 Mil. Paved No 10000 135 km
Chiang Kai Shek International TPE 33 Civ. Paved Yes 12000 137 km
Highway Strip 296 298 9 0 149 km
Kuei Jen 30 0 162 km
Highway Strip 331 334 11 0 167 km
Kangshan 10 Mil. Paved No 7500 177 km

Ports

Intensity Name LOCODE Country Distance
Hualien TWHUN Taiwan 16 km
Suao TWSUO Taiwan 87 km
Taichung TWTXG Taiwan 112 km
Tai Nan Taiwan 154 km

Dams

Intensity Reservoir Dam Name River Year Distance
Guguan Dajiaxi 1961 65 km
Mingteh Houlung 1970 103 km
Shihmen Tahan 1964 108 km

Nuclear plants

Intensity Name Country Reactors Distance
LUNG-MEI TAIWAN 2 63 km

More information

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