M 6.5 Off-shore on 17 Sep 2022 13:41 UTC

Hazard models

Rapid Impact
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: 6.5M
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 (Taiwan)

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) 3.88 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 15,644) . The alertlevel for this event is GREEN

Intensity Population
9400 people
43000 people
120000 people
3.4 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 Population
Taiwan 16000 people
Taiwan 50000 people
Taiwan 120000 people
Taiwan 8.9 million people

Affected populated places. Areas of interest

Intensity Name Region Province City class Population Distance
Cheng-kung T'ai-tung City - 5 km
San Hsien Tai T'ai-tung City - 7 km
Hsin-i T'ai-tung Village - 12 km
Wu-shih Pi T'ai-tung City - 15 km
Ch'ing-hsi T'ai-tung Village - 16 km
Tu-ho T'ai-tung Village - 18 km
Fu-li T'ai-tung Village - 19 km
Shui-chui T'ai-tung Village - 20 km
Ch'ih-shang T'ai-tung City - 22 km
Chia-tsou-wan Pi T'ai-tung City - 25 km
Kuan-shan T'ai-tung Village - 26 km
Cho-ch'ing-ts'un Hua-lien Village - 27 km
Yü-li Hua-lien City - 28 km
A-hou-liao T'ai-tung Village - 30 km
T'ai-kao-li Hua-lien Village - 32 km
Yung-kang T'ai-tung Village - 34 km
Chang-yüan Hua-lien Village - 36 km
Sung-pu Hua-lien Village - 38 km
San-li Hua-lien Village - 38 km
Chi-hsing T'ai-tung Village - 41 km
Ta-chiang-k'ou Hua-lien Village - 41 km
Ch'u-lu T'ai-tung Village - 42 km
Shih-ti-ping Hua-lien City - 43 km
Ta-lo-ma Hua-lien Village - 44 km
Tai-tung T'ai-tung City - 46 km
Nan-liao T'ai-tung Village - 47 km
Hai-shen-p'ing T'ai-tung Village - 50 km
Fu-min Hua-lien Village - 52 km
Ta-nan T'ai-tung Village - 53 km
Chien-ho T'ai-tung Village - 56 km
Feng-pin Hua-lien Village - 57 km
Sha-lao Hua-lien Village - 62 km
Fu-hsing Kao-hsiung Village - 64 km
Tai-ma T'ai-tung Village - 68 km
Chia-lu-lan Hua-lien Village - 69 km
Ko-la Kao-hsiung Village - 69 km
La-chia T'ai-tung Village - 70 km
Tung-pu Nan-t'ou Village - 71 km
Feng-kuang Hua-lien Village - 72 km
Pao-shan-ts'un Kao-hsiung Village - 73 km
Min-sheng-ts'un Kao-hsiung Village - 74 km
Tun-na-tsun Kao-hsiung Village - 75 km
Lao-nung Kao-hsiung Village - 76 km
Chin-lun T'ai-tung Village - 78 km
Shui-lien Hua-lien Village - 78 km
Feng-lin Hua-lien Village - 78 km
Ch'ü-nu P'ing-tung Village - 79 km
Ta-pang Chia-i Village - 79 km
Chieh-ta-ts'un T'ai-tung Village - 80 km
Hsin-i Nan-t'ou Village - 81 km
P'ai-wan-she P'ing-tung Village - 81 km
Feng-shan Hua-lien Village - 84 km
K'o-la-p'a-yang T'ai-tung Village - 84 km
Chia-hsien-pu Kao-hsiung Village - 85 km
Chih-chih-ya-she Chia-i Village - 85 km
Hsia-ta-chi T'ai-tung Village - 85 km
Shao-t'an-k'eng Kao-hsiung Village - 86 km
Ha-li-wei Chia-i Village - 86 km
Ta-pu Chia-i Village - 87 km
Ming-te Nan-t'ou Village - 88 km
Ch'ang-jung-ts'un P'ing-tung Village - 89 km
San-ti P'ing-tung Village - 89 km
Shang-fan T'ai-tung Village - 89 km
Chia-jui-pu P'ing-tung Village - 89 km
Lu-ku-hsiang Nan-t'ou Village - 90 km
Hsin-liao Kao-hsiung Village - 91 km
Chia-p'ing P'ing-tung Village - 92 km
Pa-she-pu Nan-t'ou Village - 92 km
Mei-nung Kao-hsiung Village - 93 km
Ta-niao T'ai-tung Village - 95 km
Ch'u-yin Hua-lien Village - 95 km
Cho-chia-la T'ai-tung Village - 96 km
Shan-tzu-ting T'ai-nan Village - 96 km
Hsiao-chung-lin P'ing-tung Village - 96 km
Ta-jen-tung Nan-t'ou Village - 97 km
Jung-shu Hua-lien Village - 97 km
Shih-pu Chia-i Village - 97 km
Ku-lou P'ing-tung Village - 98 km
Kuang-hsing-ts'un Nan-t'ou Village - 98 km
Yü-ching T'ai-nan Village - 98 km
Chi-shan Kao-hsiung City - 98 km
T'ung-t'ou Nan-t'ou Village - 99 km
Shui-li Nan-t'ou Village - 99 km
Tao-k'eng Nan-t'ou Village - 99 km
Ch'e-ch'eng Nan-t'ou Village - 100 km
Hua-lien Hua-lien Major city - 100 km
T'ien-liao Chia-i Village - 100 km
Kuo-chiang-tzu P'ing-tung Village - 101 km
Yu-chih Nan-t'ou Village - 101 km
Hsiao-wu-shan Kao-hsiung Village - 102 km
Hsin-wu-hsia P'ing-tung Village - 102 km
Pei-shih-k'eng T'ai-nan Village - 102 km
Shiao-Mei Yun-lin Village - 103 km
Tung-ning P'ing-tung Village - 103 km
Pei-shih-k'eng Nan-t'ou Village - 104 km
K'ou-she-liao T'ai-nan Village - 104 km
Chu-wei-tzu Nan-t'ou Village - 105 km
Ta-shan Hua-lien Village - 106 km
Ta-p'ing-ting P'ing-tung Village - 106 km
Ku-keng Yun-lin Village - 106 km
Shui-wei Nan-t'ou Village - 106 km
Ping-tung P'ing-tung Major city - 106 km
Hsin-ts'o T'ai-nan Village - 106 km
Tung-shan T'ai-nan Village - 107 km
Pu-li Nan-t'ou Village - 107 km
Chia-i Chia-i City - 107 km
Shih-t'ou P'ing-tung Village - 108 km
Chao-chou P'ing-tung City - 109 km
Kuo-i T'ai-nan Village - 109 km
Hsia-wei-liao Yun-lin Village - 110 km
Shui-Shan Chia-i Village - 111 km
Ta-shu P'ing-tung Village - 111 km
Wan-tan P'ing-tung Village - 111 km
Kuan-t'ien T'ai-nan Village - 111 km
Tou-liu Yun-lin Major city - 111 km
Chia-Pa T'ai-nan Village - 112 km
Shih-tzu-t'ou T'ai-chung Village - 112 km
Yün-lin Yun-lin City - 112 km
Hsin-pu Kao-hsiung Village - 113 km
Hsin-p'i P'ing-tung Village - 113 km
Chia-i Chia-i Village - 114 km
Hsin-hua T'ai-nan City - 114 km
Ting-liao Chia-i Village - 114 km
A-lian Kao-hsiung Village - 114 km
Hsin-ying T'ai-nan Major city - 114 km
San-chieh-i T'ai-nan Village - 115 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
Sun Moon Lake SMT unknown 0 100 km
Pingtung North 29 Mil. Paved No 8000 104 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
Kuei Jen 30 0 116 km
Highway Strip 331 334 11 0 119 km
Highway Strip 296 298 9 0 119 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
Tainan TNN 19 Mil. Paved Yes 10000 124 km
Highway Strip 206 23 0 133 km
9 0 185 km

Ports

Intensity Name LOCODE Distance
Tai Tung 52 km
Hualien TWHUN 101 km
Tai Nan 110 km
An Ping Chiang 129 km
Taichung TWTXG 155 km

Dams

Intensity Reservoir Dam Name River Year Distance
Tsengwen Tsengwen 1973 90 km
Wushantou Offstream Kuantien 1930 107 km

More information

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