M 6.2 in China on 24 Oct 2021 05:11 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: 6.2M
Depth: 64.52 Km
Lat/Lon: 24.5714 , 121.8303
Event Date: 24 Oct 2021 05:11 UTC
24 Oct 2021 13:11 Local
Exposed Population: 420000 people in MMI
11 million in 100km
Source: NEIC us6000fx56
Inserted at: 24 Oct 2021 05:31 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 0 0
us6000fx56 Scaled population (raster) 1.51 Max wave alert 0m  
  C1 shakemap -0.59 Max wave realtime 0m  
  C2 shakemap 0.53      
  Country Vulnerability 0      
  INFORM_normalised 0.82      
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1404258 0 24 Oct 2021 05:11 6.2M, 64.52km 6.01 N/A (in MMI>=VII) 0m (at 00:00) 00:20 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 , Province of Taiwan (population 22,456,987) . The nearest places are Su-ao, Nan-ao, Chia-li-wan, A-li-shih, Chiu-wu-t'a, I-lan, Yü-lan, Chiu-hsiung-lin, Ao-hua, Chi-chia-yang, and Hsin-chu.

Radius Population
100 km 11 million people
75 km 8.8 million people
50 km 530000 people
20 km 240000 people
10 km 65000 people
5 km 22000 people
2 km 1200 people

Affected Provinces

Region Province Country Population
Taiwan China 22.5 million people

Affected populated places

Name Region Province Country City class Population Distance
Su-ao I-lan Taiwan City - 3 km
Nan-ao I-lan Taiwan City - 12 km
Chia-li-wan I-lan Taiwan Village - 12 km
A-li-shih I-lan Taiwan Village - 18 km
Chiu-wu-t'a I-lan Taiwan Village - 21 km
I-lan I-lan Taiwan Major city - 23 km
Yü-lan I-lan Taiwan Village - 27 km
Chiu-hsiung-lin I-lan Taiwan Village - 28 km
Ao-hua I-lan Taiwan Village - 28 km
Chi-chia-yang I-lan Taiwan Village - 32 km
Tou-cheng I-lan Taiwan City - 32 km
Tu-chang I-lan Taiwan Village - 36 km
Hsiao-i T'ai-pei Taiwan Village - 40 km
Chia-na-mu-chih-she T'ai-pei Taiwan Village - 41 km
Chung-hsin-lun T'ai-pei Taiwan Village - 42 km
Ch'ia-la T'ao-yuan Taiwan Village - 46 km
Chang-k'ung-tzu T'ai-pei Taiwan Village - 47 km
Mi-lo Hsin-chu Taiwan Village - 48 km
T'ieh-chia-lung-she Hua-lien Taiwan City - 50 km
Chung-k'eng T'ai-pei Taiwan Village - 51 km
Shuang-hsi T'ai-pei Taiwan Village - 51 km
Fu-lien T'ai-pei Taiwan Village - 51 km
Ch'ai-ch'iao-k'eng T'ai-pei Taiwan Village - 52 km
Hsin-tien T'ai-pei Chuan-Shih Taiwan City - 53 km
Hsin-ch'eng Hua-lien Taiwan City - 53 km
Hsiu-luan Hsin-chu Taiwan Village - 56 km
Lo-shao Hua-lien Taiwan Village - 56 km
Chang-shu-wan T'ai-pei Chuan-Shih Taiwan Village - 58 km
Chieh-hsiao-ts'un T'ai-chung Taiwan Village - 59 km
Pan-ch'iao T'ai-pei Taiwan Major city - 59 km
A-mu-p'ing T'ao-yuan Taiwan Village - 60 km
Lao-tung T'ai-pei Taiwan Village - 61 km
Taipei T'ai-pei Chuan-Shih Taiwan Capital 2.5 million people 61 km
Chi-lung Chi-lung Shih Taiwan City 400000 people 62 km
Hsin-le-ts'un Hsin-chu Taiwan Village - 62 km
Chao-jih Hsin-chu Taiwan Village - 62 km
Ch'ang-t'an-li T'ai-pei Taiwan Village - 62 km
Ta-shan Hua-lien Taiwan Village - 64 km
Ying-ko T'ai-pei Taiwan Village - 65 km
Kuan-yüan Hua-lien Taiwan Village - 66 km
Sung-pai T'ai-chung Taiwan Village - 67 km
Nei-wan Hsin-chu Taiwan City - 68 km
Wan-li T'ai-pei Taiwan Village - 70 km
Hua-lien Hua-lien Taiwan Major city - 70 km
Tao-yüan T'ao-yuan Taiwan Major city - 70 km
Hsin-chu Hsin-chu Shih Taiwan Major city - 90 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Name IATA Code Elevation (m) Usage Runway type IFR Runway Length (ft) Distance
9 0 20 km
Sungshan TSA 6 Civ. Paved Yes 8500 62 km
Hualien HUN 16 Civ. Paved Yes 9000 64 km
Pa Kuei 141 0 66 km
Lung Tan 241 Civ. Paved No 3200 68 km
Lishan LHN unknown 0 72 km
Highway Strip 58 60 120 0 78 km
Taoyuan 45 Mil. Paved No 10000 80 km
Chiang Kai Shek International TPE 33 Civ. Paved Yes 12000 83 km
Ao Hu Kou 152 0 87 km
Hsinchu HSZ 8 Civ. Paved Yes 12000 94 km

Ports

Name LOCODE Country Distance
Suao TWSUO Taiwan 4 km
Keelung (Chilung) TWKEL Taiwan 63 km
Hualien TWHUN Taiwan 68 km
Tan Shui Taiwan 81 km

Dams

Reservoir Dam Name River Year Distance
Shihmen Tahan 1964 64 km
Guguan Dajiaxi 1961 92 km
Mingteh Houlung 1970 96 km

Nuclear plants

Name Country Reactors Distance
LUNG-MEI TAIWAN 2 21 km
KUOSHENG TAIWAN 2 74 km
CHIN SHAN TAIWAN 2 83 km

More information

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