M 5.5 in China on 18 Sep 2022 09:39 UTC
EQ parameters
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: 5.5M
Depth: 10 Km
Lat/Lon: 23.1987 , 121.2979
Event Date: 18 Sep 2022 09:39 UTC
18 Sep 2022 17:39 Local
Exposed Population: About 1000 people in MMI
2 thousand (in MMI>=VII)
Source: NEIC us7000i928
Inserted at: 18 Sep 2022 09:59 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 0
us7000i928 Scaled population (raster) 2.19  
  C1 shakemap -0.59  
  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
1462719 0 18 Sep 2022 09:39 5.5M, 10km 6.85 2 thousand (in MMI>=VII) 00:19 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 52,866) . The nearest places are Fu-li, San Hsien Tai, Wu-shih Pi, Cho-ch'ing-ts'un, Cheng-kung, Ch'ih-shang, Shui-chui, Yü-li, Hsin-i, Ch'ing-hsi, and Tou-liu.

Radius Population
100 km 2.1 million people
75 km 300000 people
50 km 120000 people
20 km 55000 people
10 km 9800 people
5 km 2700 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Taiwan China 53000 people

Affected populated places

Name Region Province Country City class Population Distance
Fu-li T'ai-tung Taiwan Village - 6 km
San Hsien Tai T'ai-tung Taiwan City - 10 km
Wu-shih Pi T'ai-tung Taiwan City - 11 km
Cho-ch'ing-ts'un Hua-lien Taiwan Village - 12 km
Cheng-kung T'ai-tung Taiwan City - 12 km
Ch'ih-shang T'ai-tung Taiwan City - 14 km
Shui-chui T'ai-tung Taiwan Village - 15 km
Yü-li Hua-lien Taiwan City - 15 km
Hsin-i T'ai-tung Taiwan Village - 19 km
Ch'ing-hsi T'ai-tung Taiwan Village - 20 km
Chia-tsou-wan Pi T'ai-tung Taiwan City - 20 km
T'ai-kao-li Hua-lien Taiwan Village - 21 km
Kuan-shan T'ai-tung Taiwan Village - 22 km
Hsia-ma T'ai-tung Taiwan Village - 24 km
Tu-ho T'ai-tung Taiwan Village - 25 km
San-li Hua-lien Taiwan Village - 26 km
Sung-pu Hua-lien Taiwan Village - 27 km
A-hou-liao T'ai-tung Taiwan Village - 29 km
Chang-yüan Hua-lien Taiwan Village - 30 km
Wu-ssu Hua-lien Taiwan Village - 30 km
Lieh-k'o-ni Hua-lien Taiwan Village - 32 km
Hsin-ch'ang-ts'un T'ai-tung Taiwan Village - 34 km
Ta-lo-ma Hua-lien Taiwan Village - 34 km
Ta-chiang-k'ou Hua-lien Taiwan Village - 34 km
Yung-kang T'ai-tung Taiwan Village - 34 km
Shih-ti-ping Hua-lien Taiwan City - 37 km
Fu-min Hua-lien Taiwan Village - 41 km
Ch'u-lu T'ai-tung Taiwan Village - 44 km
Pa-t'ung-kuan Nan-t'ou Taiwan Village - 45 km
Chi-hsing T'ai-tung Taiwan Village - 46 km
Feng-pin Hua-lien Taiwan Village - 50 km
Fu-hsing Kao-hsiung Taiwan Village - 51 km
T'ao-lin T'ai-tung Taiwan Village - 51 km
Tai-tung T'ai-tung Taiwan City - 51 km
Sha-lao Hua-lien Taiwan Village - 53 km
Yüan-t'un Kao-hsiung Taiwan Village - 53 km
Chung-hu Hua-lien Taiwan Village - 54 km
Ta-nan T'ai-tung Taiwan Village - 55 km
Tung-pu Nan-t'ou Taiwan Village - 55 km
Ko-la Kao-hsiung Taiwan Village - 58 km
Chien-ho T'ai-tung Taiwan Village - 60 km
Min-sheng-ts'un Kao-hsiung Taiwan Village - 61 km
Nan-liao T'ai-tung Taiwan Village - 61 km
Chia-lu-lan Hua-lien Taiwan Village - 61 km
Feng-kuang Hua-lien Taiwan Village - 62 km
Hai-shen-p'ing T'ai-tung Taiwan Village - 64 km
Ta-pang Chia-i Taiwan Village - 64 km
Pao-shan-ts'un Kao-hsiung Taiwan Village - 65 km
Hsin-i Nan-t'ou Taiwan Village - 65 km
Lao-nung Kao-hsiung Taiwan Village - 66 km
Feng-lin Hua-lien Taiwan Village - 69 km
Tun-na-tsun Kao-hsiung Taiwan Village - 69 km
La-chia T'ai-tung Taiwan Village - 70 km
Hua-lien Hua-lien Taiwan Major city - 92 km
Tou-liu Yun-lin Taiwan Major city - 96 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
Taitung TTT 37 Mil. Paved No 11000 47 km
Feng Nin 42 Civ. Paved Yes 7900 53 km
Green Island GNI 8 Civ. Paved No 3300 61 km
Sun Moon Lake SMT unknown 0 84 km
Chiayi CYI 25 Civ. Paved Yes 10000 97 km
Hualien HUN 16 Civ. Paved Yes 9000 97 km
Highway Strip 260 30 0 99 km
Pingtung North 29 Mil. Paved No 8000 100 km

Ports

Name LOCODE Country Distance
Tai Tung Taiwan 56 km
Hualien TWHUN Taiwan 94 km

Dams

Reservoir Dam Name River Year Distance
Tsengwen Tsengwen 1973 78 km
Wushantou Offstream Kuantien 1930 95 km

More information

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