M 6.6 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: 6.6M
Depth: 10 Km
Lat/Lon: 23.029 , 121.3483
Event Date: 17 Sep 2022 13:41 UTC
17 Sep 2022 21:41 Local
Exposed Population: About 8000 people in MMI
60 thousand (in MMI>=VII)
Source: NEIC us7000i8ui
Inserted at: 17 Sep 2022 14:04 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 0.8 0.2 0.8
us7000i8ui Scaled population (raster) 4.02 Max wave alert 0.23m  
  C1 shakemap -0.59 Max wave realtime 0.23m  
  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 59) . The alertlevel for this event is GREEN

Intensity Population
8700 people
55000 people
160000 people
6.1 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 <1000 people
Taiwan 29000 people
Taiwan 150000 people
Taiwan 37000 people
Taiwan 9.7 million people

Affected populated places. Areas of interest

Intensity Name Region Province City class Population Distance
Hsin-i T'ai-tung Village - 3 km
Ch'ing-hsi T'ai-tung Village - 8 km
Tu-ho T'ai-tung Village - 9 km
Cheng-kung T'ai-tung City - 9 km
San Hsien Tai T'ai-tung City - 14 km
Shui-chui T'ai-tung Village - 15 km
Ch'ih-shang T'ai-tung City - 18 km
Fu-li T'ai-tung Village - 19 km
Kuan-shan T'ai-tung Village - 20 km
A-hou-liao T'ai-tung Village - 23 km
Wu-shih Pi T'ai-tung City - 23 km
Yung-kang T'ai-tung Village - 25 km
Chi-hsing T'ai-tung Village - 31 km
Cho-ch'ing-ts'un Hua-lien Village - 31 km
Ch'u-lu T'ai-tung Village - 33 km
Chia-tsou-wan Pi T'ai-tung City - 34 km
Yü-li Hua-lien City - 34 km
Tai-tung T'ai-tung City - 37 km
T'ai-kao-li Hua-lien Village - 39 km
Nan-liao T'ai-tung Village - 41 km
Ta-nan T'ai-tung Village - 44 km
Hai-shen-p'ing T'ai-tung Village - 44 km
Chang-yüan Hua-lien Village - 45 km
San-li Hua-lien Village - 45 km
Sung-pu Hua-lien Village - 45 km
Chien-ho T'ai-tung Village - 47 km
Ta-chiang-k'ou Hua-lien Village - 49 km
Ta-lo-ma Hua-lien Village - 52 km
Shih-ti-ping Hua-lien City - 52 km
Tai-ma T'ai-tung Village - 59 km
Fu-min Hua-lien Village - 59 km
Fu-hsing Kao-hsiung Village - 60 km
La-chia T'ai-tung Village - 61 km
Ko-la Kao-hsiung Village - 64 km
Feng-pin Hua-lien Village - 65 km
Pao-shan-ts'un Kao-hsiung Village - 67 km
Tun-na-tsun Kao-hsiung Village - 68 km
Chin-lun T'ai-tung Village - 68 km
Sha-lao Hua-lien Village - 70 km
Ch'ü-nu P'ing-tung Village - 70 km
Chieh-ta-ts'un T'ai-tung Village - 70 km
Lao-nung Kao-hsiung Village - 70 km
Min-sheng-ts'un Kao-hsiung Village - 71 km
Tung-pu Nan-t'ou Village - 73 km
P'ai-wan-she P'ing-tung Village - 73 km
K'o-la-p'a-yang T'ai-tung Village - 75 km
Hsia-ta-chi T'ai-tung Village - 76 km
Chia-lu-lan Hua-lien Village - 78 km
Ta-pang Chia-i Village - 78 km
Shao-t'an-k'eng Kao-hsiung Village - 78 km
Chia-hsien-pu Kao-hsiung Village - 79 km
Shang-fan T'ai-tung Village - 80 km
Feng-kuang Hua-lien Village - 80 km
San-ti P'ing-tung Village - 81 km
Ch'ang-jung-ts'un P'ing-tung Village - 81 km
Chia-jui-pu P'ing-tung Village - 81 km
Hsin-i Nan-t'ou Village - 83 km
Chia-p'ing P'ing-tung Village - 83 km
Chih-chih-ya-she Chia-i Village - 83 km
Ta-pu Chia-i Village - 83 km
Hsin-liao Kao-hsiung Village - 84 km
Ta-niao T'ai-tung Village - 85 km
Mei-nung Kao-hsiung Village - 85 km
Ha-li-wei Chia-i Village - 86 km
Feng-lin Hua-lien Village - 86 km
Cho-chia-la T'ai-tung Village - 87 km
Shui-lien Hua-lien Village - 87 km
Hsiao-chung-lin P'ing-tung Village - 88 km
Ku-lou P'ing-tung Village - 88 km
Ming-te Nan-t'ou Village - 90 km
Chi-shan Kao-hsiung City - 91 km
Shan-tzu-ting T'ai-nan Village - 91 km
Lu-ku-hsiang Nan-t'ou Village - 92 km
Feng-shan Hua-lien Village - 92 km
Yü-ching T'ai-nan Village - 93 km
Kuo-chiang-tzu P'ing-tung Village - 93 km
Hsin-wu-hsia P'ing-tung Village - 94 km
Hsiao-wu-shan Kao-hsiung Village - 95 km
Li-chi-li-chi-she P'ing-tung Village - 95 km
Tung-ning P'ing-tung Village - 95 km
Shih-pu Chia-i Village - 95 km
Ta-wu T'ai-tung City - 96 km
Pa-she-pu Nan-t'ou Village - 96 km
Ping-tung P'ing-tung Major city - 98 km
Ta-p'ing-ting P'ing-tung Village - 98 km
K'ou-she-liao T'ai-nan Village - 98 km
Ta-jen-tung Nan-t'ou Village - 98 km
Pei-shih-k'eng T'ai-nan Village - 98 km
Shih-t'ou P'ing-tung Village - 99 km
T'ien-liao Chia-i Village - 99 km
T'ung-t'ou Nan-t'ou Village - 99 km
Chao-chou P'ing-tung City - 100 km
Kuang-hsing-ts'un Nan-t'ou Village - 100 km
Shui-li Nan-t'ou Village - 102 km
Wan-tan P'ing-tung Village - 102 km
Ta-shu P'ing-tung Village - 102 km
Shiao-Mei Yun-lin Village - 103 km
Nei-wen P'ing-tung Village - 103 km
Ch'e-ch'eng Nan-t'ou Village - 103 km
Hsin-ts'o T'ai-nan Village - 103 km
Tung-shan T'ai-nan Village - 103 km
Ch'u-yin Hua-lien Village - 103 km
Hsin-p'i P'ing-tung Village - 104 km
Tao-k'eng Nan-t'ou Village - 104 km
Kuo-i T'ai-nan Village - 105 km
Hsu-hai P'ing-tung Village - 105 km
Chia-i Chia-i City - 105 km
Jung-shu Hua-lien Village - 105 km
Yu-chih Nan-t'ou Village - 105 km
Shui-ti-liao P'ing-tung Village - 106 km
Ku-keng Yun-lin Village - 106 km
Chu-wei-tzu Nan-t'ou Village - 106 km
Kuan-t'ien T'ai-nan Village - 106 km
Pei-shih-k'eng Nan-t'ou Village - 106 km
Hsin-pu Kao-hsiung Village - 106 km
Chia-Pa T'ai-nan Village - 107 km
I-la-la-la-k'ou T'ai-tung Village - 107 km
A-lian Kao-hsiung Village - 107 km
Pao-she-chia Kao-hsiung Village - 107 km
Chia-ho-ts'un P'ing-tung Village - 108 km
Shui-Shan Chia-i Village - 108 km
Hsin-hua T'ai-nan City - 108 km
Shui-wei Nan-t'ou Village - 108 km
Hua-lien Hua-lien Major city - 108 km
T'ien-ch'ien-ts'o P'ing-tung Village - 109 km
Yeh-yu T'ai-tung Village - 109 km
Wu-lung P'ing-tung City - 110 km
Chiang tzu P'ing-tung Village - 110 km
San-chieh-i T'ai-nan Village - 110 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 31 km
Feng Nin 42 Civ. Paved Yes 7900 40 km
Green Island GNI 8 Civ. Paved No 3300 41 km
Pingtung North 29 Mil. Paved No 8000 96 km
Pingtung South 24 Mil. Paved Yes 7800 99 km
Sun Moon Lake SMT unknown 0 104 km
Chiayi CYI 25 Civ. Paved Yes 10000 109 km
Kuei Jen 30 0 109 km
Highway Strip 260 30 0 112 km
Orchid Island KYD 10 Civ. Paved No 4500 112 km
Highway Strip 331 334 11 0 112 km
Hualien HUN 16 Civ. Paved Yes 9000 114 km
Kaohsiung International KHH 9 Civ. Paved Yes 10300 114 km
Kangshan 10 Mil. Paved No 7500 115 km
Highway Strip 296 298 9 0 115 km
Tso Ying 9 0 115 km
Tainan TNN 19 Mil. Paved Yes 10000 117 km
Hengchun HCN 13 Civ. Paved No 3500 127 km
Highway Strip 206 23 0 135 km
9 0 193 km

Ports

Intensity Name LOCODE Distance
Tai Tung 43 km
Tai Nan 104 km
Hualien TWHUN 110 km
Lan Yu Island 110 km
An Ping Chiang 122 km
Taichung TWTXG 158 km

Dams

Intensity Reservoir Dam Name River Year Distance
Tsengwen Tsengwen 1973 87 km
Wushantou Offstream Kuantien 1930 102 km

Nuclear plants

Intensity Name Reactors Distance
MAANSHAN 2 133 km

More information

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