M 6.5 Off-shore on 17 Sep 2022 13:41 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: 6.5M
Depth: 10 Km
Lat/Lon: 23.0962 , 121.4059
Event Date: 17 Sep 2022 13:41 UTC
17 Sep 2022 21:41 Local
Exposed Population: About 9000 people in MMI
20 thousand (in MMI>=VII)
Source: NEIC us7000i8ui
Inserted at: 17 Sep 2022 14:33 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 0.3 0.2 0.3
us7000i8ui Scaled population (raster) 3.04 Max wave alert 0.25m  
  C1 shakemap -0.59 Max wave realtime 0.25m  
  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
1462503 0.7 17 Sep 2022 13:41 6.5M, 10km 7.49 50 thousand (in 100km) 0m (at 00:00) 00:10 GEOFON
1462504 0 17 Sep 2022 13:41 6.6M, 45km 6.34 250 thousand (in 100km) 0m (at 00:00) 00:14 PTWC
1462505 0 17 Sep 2022 13:41 6.6M, 45km N/A 250 thousand (in 100km) 0m (at 00:00) 00:16 NTWC
1462507 0.8 17 Sep 2022 13:41 6.6M, 10km 7.64 60 thousand (in MMI>=VII) 0.2m (at 00:01) 00:23 NEIC
1462511 0.3 17 Sep 2022 13:41 6.5M, 10km 6.79 20 thousand (in MMI>=VII) 0.3m (at 00:15) 00:52 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
14000 people
76000 people
2.3 million people


Shakemaps Timeline

AlertShake id #ScoreepisodeidLat/LonMagnitudeDepthMax MMIDate shake (UTC)Delay (hh:mm) 
1 0.8 1462507 23.029/121.348 6.6 10.0 7.635 17 Sep 2022 14:07 00:26 (new episode)
2 0.8 1462511 23.029/121.348 6.6 10.0 7.635 17 Sep 2022 14:18 00:37 (new episode)
3 0.7 1462511 23.096/121.406 6.5 10.0 7.561 17 Sep 2022 14:33 00:52 (upd of #2)
4 0.7 1462511 23.096/121.406 6.5 10.0 7.553 17 Sep 2022 15:46 02:05 (upd of #3)
5 0.3 1462511 23.096/121.406 6.5 10.0 6.793 17 Sep 2022 18:30 04:49 (upd of #4)
6 0.3 1462511 23.096/121.406 6.5 10.0 6.794 18 Sep 2022 14:40 1d 00:59 (upd of #5)

Affected Provinces

Intensity Region Province Country Population
Taiwan China <1000 people
Taiwan China 34000 people
Taiwan China 1.7 million people
Taiwan China 11.3 million people

Affected populated places. Areas of interest

Intensity Name Region Province Country City class Population Distance
Cheng-kung T'ai-tung Taiwan City - 5 km
Hsin-i T'ai-tung Taiwan Village - 12 km
San Hsien Tai T'ai-tung Taiwan City - 7 km
Wu-shih Pi T'ai-tung Taiwan City - 15 km
Ch'ing-hsi T'ai-tung Taiwan Village - 16 km
Tu-ho T'ai-tung Taiwan Village - 18 km
Fu-li T'ai-tung Taiwan Village - 19 km
Shui-chui T'ai-tung Taiwan Village - 20 km
Ch'ih-shang T'ai-tung Taiwan City - 22 km
Kuan-shan T'ai-tung Taiwan Village - 26 km
A-hou-liao T'ai-tung Taiwan Village - 30 km
Chia-tsou-wan Pi T'ai-tung Taiwan City - 25 km
Cho-ch'ing-ts'un Hua-lien Taiwan Village - 27 km
Yü-li Hua-lien Taiwan City - 28 km
T'ai-kao-li Hua-lien Taiwan Village - 32 km
Yung-kang T'ai-tung Taiwan Village - 34 km
Chang-yüan Hua-lien Taiwan Village - 36 km
Sung-pu Hua-lien Taiwan Village - 38 km
San-li Hua-lien Taiwan Village - 38 km
Chi-hsing T'ai-tung Taiwan Village - 41 km
Ta-chiang-k'ou Hua-lien Taiwan Village - 41 km
Ch'u-lu T'ai-tung Taiwan Village - 42 km
Shih-ti-ping Hua-lien Taiwan City - 43 km
Tai-tung T'ai-tung Taiwan City - 46 km
Nan-liao T'ai-tung Taiwan Village - 47 km
Hai-shen-p'ing T'ai-tung Taiwan Village - 50 km
Ta-nan T'ai-tung Taiwan Village - 53 km
Chien-ho T'ai-tung Taiwan Village - 56 km
Kuo-chiang-tzu P'ing-tung Taiwan Village - 101 km
Tung-ning P'ing-tung Taiwan Village - 103 km
Chia-Pa T'ai-nan Taiwan Village - 112 km
Hsin-pu Kao-hsiung Taiwan Village - 113 km
Hsin-hua T'ai-nan Taiwan City - 114 km
Hsin-ying T'ai-nan Taiwan Major city - 114 km
San-chieh-i T'ai-nan Taiwan Village - 115 km
She-nei T'ai-nan Taiwan Village - 117 km
Ta-jen-miao T'ai-nan Taiwan Village - 118 km
Ho-liao-tzu T'ai-nan Taiwan Village - 119 km
Ma-tou T'ai-nan Taiwan City - 120 km
Hsi-ting-liao T'ai-nan Shih Taiwan Village - 124 km
Hai-pu Kao-hsiung Taiwan City - 124 km
Shuang-chang-pu T'ai-nan Taiwan Village - 124 km
Tai-nan T'ai-nan Shih Taiwan Major city - 125 km
Tung-kuo T'ai-nan Taiwan Village - 126 km
Chia-li T'ai-nan Taiwan City - 127 km
Hsüeh-chia T'ai-nan Taiwan City - 127 km
San-ku-ts'un T'ai-nan Taiwan Village - 131 km
An-ping T'ai-nan Shih Taiwan Village - 132 km
Ta-lo-ma Hua-lien Taiwan Village - 44 km
Fu-min Hua-lien Taiwan Village - 52 km
Feng-pin Hua-lien Taiwan Village - 57 km
Sha-lao Hua-lien Taiwan Village - 62 km
Fu-hsing Kao-hsiung Taiwan Village - 64 km
Tai-ma T'ai-tung Taiwan Village - 68 km
Chia-lu-lan Hua-lien Taiwan Village - 69 km
Ko-la Kao-hsiung Taiwan Village - 69 km
La-chia T'ai-tung Taiwan Village - 70 km
Tung-pu Nan-t'ou Taiwan Village - 71 km
Feng-kuang Hua-lien Taiwan Village - 72 km
Pao-shan-ts'un Kao-hsiung Taiwan Village - 73 km
Min-sheng-ts'un Kao-hsiung Taiwan Village - 74 km
Tun-na-tsun Kao-hsiung Taiwan Village - 75 km
Lao-nung Kao-hsiung Taiwan Village - 76 km
Chin-lun T'ai-tung Taiwan Village - 78 km
Shui-lien Hua-lien Taiwan Village - 78 km
Feng-lin Hua-lien Taiwan Village - 78 km
Ch'ü-nu P'ing-tung Taiwan Village - 79 km
Ta-pang Chia-i Taiwan Village - 79 km
Chieh-ta-ts'un T'ai-tung Taiwan Village - 80 km
Hsin-i Nan-t'ou Taiwan Village - 81 km
P'ai-wan-she P'ing-tung Taiwan Village - 81 km
Feng-shan Hua-lien Taiwan Village - 84 km
K'o-la-p'a-yang T'ai-tung Taiwan Village - 84 km
Chia-hsien-pu Kao-hsiung Taiwan Village - 85 km
Chih-chih-ya-she Chia-i Taiwan Village - 85 km
Hsia-ta-chi T'ai-tung Taiwan Village - 85 km
Shao-t'an-k'eng Kao-hsiung Taiwan Village - 86 km
Ha-li-wei Chia-i Taiwan Village - 86 km
Ta-pu Chia-i Taiwan Village - 87 km
Ming-te Nan-t'ou Taiwan Village - 88 km
Ch'ang-jung-ts'un P'ing-tung Taiwan Village - 89 km
San-ti P'ing-tung Taiwan Village - 89 km
Shang-fan T'ai-tung Taiwan Village - 89 km
Chia-jui-pu P'ing-tung Taiwan Village - 89 km
Lu-ku-hsiang Nan-t'ou Taiwan Village - 90 km
Hsin-liao Kao-hsiung Taiwan Village - 91 km
Chia-p'ing P'ing-tung Taiwan Village - 92 km
Pa-she-pu Nan-t'ou Taiwan Village - 92 km
Mei-nung Kao-hsiung Taiwan Village - 93 km
Ta-niao T'ai-tung Taiwan Village - 95 km
Ch'u-yin Hua-lien Taiwan Village - 95 km
Cho-chia-la T'ai-tung Taiwan Village - 96 km
Shan-tzu-ting T'ai-nan Taiwan Village - 96 km
Hsiao-chung-lin P'ing-tung Taiwan Village - 96 km
Ta-jen-tung Nan-t'ou Taiwan Village - 97 km
Jung-shu Hua-lien Taiwan Village - 97 km
Shih-pu Chia-i Taiwan Village - 97 km
Ku-lou P'ing-tung Taiwan Village - 98 km
Kuang-hsing-ts'un Nan-t'ou Taiwan Village - 98 km
Yü-ching T'ai-nan Taiwan Village - 98 km
Chi-shan Kao-hsiung Taiwan City - 98 km
T'ung-t'ou Nan-t'ou Taiwan Village - 99 km
Shui-li Nan-t'ou Taiwan Village - 99 km
Tao-k'eng Nan-t'ou Taiwan Village - 99 km
Ch'e-ch'eng Nan-t'ou Taiwan Village - 100 km
Hua-lien Hua-lien Taiwan Major city - 100 km
T'ien-liao Chia-i Taiwan Village - 100 km
Yu-chih Nan-t'ou Taiwan Village - 101 km
Hsiao-wu-shan Kao-hsiung Taiwan Village - 102 km
Hsin-wu-hsia P'ing-tung Taiwan Village - 102 km
Pei-shih-k'eng T'ai-nan Taiwan Village - 102 km
Shiao-Mei Yun-lin Taiwan Village - 103 km
Pei-shih-k'eng Nan-t'ou Taiwan Village - 104 km
K'ou-she-liao T'ai-nan Taiwan Village - 104 km
Chu-wei-tzu Nan-t'ou Taiwan Village - 105 km
Li-chi-li-chi-she P'ing-tung Taiwan Village - 105 km
Ta-wu T'ai-tung Taiwan City - 105 km
Ta-shan Hua-lien Taiwan Village - 106 km
Ta-p'ing-ting P'ing-tung Taiwan Village - 106 km
Ku-keng Yun-lin Taiwan Village - 106 km
Shui-wei Nan-t'ou Taiwan Village - 106 km
Ping-tung P'ing-tung Taiwan Major city - 106 km
Hsin-ts'o T'ai-nan Taiwan Village - 106 km
Tung-shan T'ai-nan Taiwan Village - 107 km
Pu-li Nan-t'ou Taiwan Village - 107 km
Chia-i Chia-i Taiwan City - 107 km
Shih-t'ou P'ing-tung Taiwan Village - 108 km
Chao-chou P'ing-tung Taiwan City - 109 km
Kuo-i T'ai-nan Taiwan Village - 109 km
Hsia-wei-liao Yun-lin Taiwan Village - 110 km
Shui-Shan Chia-i Taiwan Village - 111 km
Ta-shu P'ing-tung Taiwan Village - 111 km
Wan-tan P'ing-tung Taiwan Village - 111 km
Kuan-t'ien T'ai-nan Taiwan Village - 111 km
Tou-liu Yun-lin Taiwan Major city - 111 km
Shih-tzu-t'ou T'ai-chung Taiwan Village - 112 km
Nei-wen P'ing-tung Taiwan Village - 112 km
Yün-lin Yun-lin Taiwan City - 112 km
Hsin-p'i P'ing-tung Taiwan Village - 113 km
Chia-i Chia-i Taiwan Village - 114 km
I-la-la-la-k'ou T'ai-tung Taiwan Village - 114 km
Hsu-hai P'ing-tung Taiwan Village - 114 km
Ting-liao Chia-i Taiwan Village - 114 km
A-lian Kao-hsiung Taiwan Village - 114 km
Shui-ti-liao P'ing-tung Taiwan Village - 115 km
Pao-she-chia Kao-hsiung Taiwan Village - 115 km
Yeh-yu T'ai-tung Taiwan Village - 116 km
Hsin-ch'eng Hua-lien Taiwan City - 117 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
Taitung TTT 37 Mil. Paved No 11000 41 km
Green Island GNI 8 Civ. Paved No 3300 47 km
Feng Nin 42 Civ. Paved Yes 7900 49 km
Pingtung North 29 Mil. Paved No 8000 104 km
Kuei Jen 30 0 116 km
Highway Strip 331 334 11 0 119 km
Highway Strip 296 298 9 0 119 km
Tainan TNN 19 Mil. Paved Yes 10000 124 km
Sun Moon Lake SMT unknown 0 100 km
Hualien HUN 16 Civ. Paved Yes 9000 105 km
Pingtung South 24 Mil. Paved Yes 7800 108 km
Chiayi CYI 25 Civ. Paved Yes 10000 111 km
Highway Strip 260 30 0 114 km
Orchid Island KYD 10 Civ. Paved No 4500 119 km
Kangshan 10 Mil. Paved No 7500 122 km
Kaohsiung International KHH 9 Civ. Paved Yes 10300 123 km
Tso Ying 9 0 123 km
Lishan LHN unknown 0 129 km
Highway Strip 206 23 0 133 km
Hengchun HCN 13 Civ. Paved No 3500 136 km
Taichung TXG 112 Mil. Paved Yes 5300 143 km
Ching Chuan Kang AB 203 Mil. Paved No 12000 152 km
9 0 185 km
Makung AB MZG 31 Mil. Paved Yes 6500 189 km
P Eng Hu 21 0 192 km
Hsinchu HSZ 8 Civ. Paved Yes 12000 197 km
Yonaguni OGN 21 Civ. Paved Yes 4900 221 km

Ports

Intensity Name LOCODE Country Distance
Tai Tung Taiwan 52 km
An Ping Chiang Taiwan 129 km
Hualien TWHUN Taiwan 101 km
Tai Nan Taiwan 110 km
Lan Yu Island Taiwan 117 km
Kaohsiung TWKHH Taiwan 129 km
Taichung TWTXG Taiwan 155 km
Peng Hu Taiwan 201 km

Dams

Intensity Reservoir Dam Name River Year Distance
Tsengwen Tsengwen 1973 90 km
Wushantou Offstream Kuantien 1930 107 km
Guguan Dajiaxi 1961 130 km
Mingteh Houlung 1970 173 km

Nuclear plants

Intensity Name Country Reactors Distance
MAANSHAN TAIWAN 2 142 km

More information

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