M 4.9 in China on 11 Jun 2021 05:12 UTC

Hazard models

EQ parameters
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: 4.9M
Depth: 4.26 Km
Lat/Lon: 23.8475 , 121.6009
Event Date: 11 Jun 2021 05:12 UTC
11 Jun 2021 13:12 Local
Exposed Population:
2340000 people within 100km
Source: NEIC us7000ebzt
Inserted at: 11 Jun 2021 05:31 UTC
INFORM Coping capacity of the alert score
3.6 (China)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0.3 0.3
us7000ebzt Scaled population (vector) 6.42  
  C1 earthquake 1.39  
  C2 earthquake -0.24  
  Country Vulnerability 0.26  
  INFORM_normalised 0.82  
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1379981 0.3 11 Jun 2021 05:12 4.9M, 4.26km N/A 2.3 million (in 100km) 00:18 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 Shui-lien, Feng-shan, Ch'u-yin, Hua-lien, Chia-lu-lan, Feng-lin, Jung-shu, Feng-kuang, Ta-shan, Chien-fan, and Nan-tou.

Radius Population
100 km 2.3 million people
75 km 490000 people
50 km 290000 people
20 km 220000 people
10 km 21000 people
5 km <1000 people
2 km <1000 people

Affected Provinces

Region Province Country Population
Taiwan China 22.5 million people

Affected populated places

Name Region Province Country City class Population Distance
Shui-lien Hua-lien Taiwan Village - 8 km
Feng-shan Hua-lien Taiwan Village - 12 km
Ch'u-yin Hua-lien Taiwan Village - 13 km
Hua-lien Hua-lien Taiwan Major city - 15 km
Chia-lu-lan Hua-lien Taiwan Village - 17 km
Feng-lin Hua-lien Taiwan Village - 17 km
Jung-shu Hua-lien Taiwan Village - 17 km
Feng-kuang Hua-lien Taiwan Village - 20 km
Ta-shan Hua-lien Taiwan Village - 21 km
Chien-fan Hua-lien Taiwan Village - 26 km
Sha-lao Hua-lien Taiwan Village - 27 km
Feng-pin Hua-lien Taiwan Village - 29 km
Hsin-ch'eng Hua-lien Taiwan City - 31 km
Chung-hu Hua-lien Taiwan Village - 33 km
Wan-shan-t'ang Hua-lien Taiwan Village - 34 km
T'ieh-chia-lung-she Hua-lien Taiwan City - 34 km
Fu-min Hua-lien Taiwan Village - 40 km
Shih-ti-ping Hua-lien Taiwan City - 43 km
Lo-shao Hua-lien Taiwan Village - 43 km
Ta-chiang-k'ou Hua-lien Taiwan Village - 45 km
Ta-lo-ma Hua-lien Taiwan Village - 45 km
Kuan-yüan Hua-lien Taiwan Village - 46 km
Ching-kuan Nan-t'ou Taiwan Village - 47 km
Chang-yüan Hua-lien Taiwan Village - 50 km
Sung-pu Hua-lien Taiwan Village - 51 km
Chieh-shou-t'ing Nan-t'ou Taiwan Village - 52 km
San-li Hua-lien Taiwan Village - 53 km
Lieh-k'o-ni Hua-lien Taiwan Village - 55 km
Ao-hua I-lan Taiwan Village - 55 km
Tzu-yüan Nan-t'ou Taiwan Village - 56 km
Hung-hsiang T'ai-chung Taiwan Village - 57 km
Sung-pai T'ai-chung Taiwan Village - 57 km
T'ai-kao-li Hua-lien Taiwan Village - 58 km
Ka-sha Nan-t'ou Taiwan Village - 58 km
Chia-tsou-wan Pi T'ai-tung Taiwan City - 61 km
Tao-k'eng Nan-t'ou Taiwan Village - 63 km
Chi-chia-yang I-lan Taiwan Village - 63 km
Chieh-hsiao-ts'un T'ai-chung Taiwan Village - 64 km
Yü-li Hua-lien Taiwan City - 64 km
Chia-fei-yüan T'ai-chung Taiwan Village - 65 km
Pu-li Nan-t'ou Taiwan Village - 67 km
Chiu-wu-t'a I-lan Taiwan Village - 67 km
Ch'ing-shan T'ai-chung Taiwan Village - 68 km
Yu-chih Nan-t'ou Taiwan Village - 69 km
Mi-lo Hsin-chu Taiwan Village - 69 km
Cho-ch'ing-ts'un Hua-lien Taiwan Village - 69 km
Pa-she-pu Nan-t'ou Taiwan Village - 70 km
Nan-tou Nan-t'ou Taiwan Major city - 95 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
Hualien HUN 16 Civ. Paved Yes 9000 20 km
Lishan LHN unknown 0 59 km
Sun Moon Lake SMT unknown 0 68 km
9 0 99 km

Ports

Name LOCODE Country Distance
Hualien TWHUN Taiwan 16 km
Suao TWSUO Taiwan 88 km

Dams

Reservoir Dam Name River Year Distance
Guguan Dajiaxi 1961 72 km

Nuclear plants

Name Country Reactors Distance
LUNG-MEI TAIWAN 2 64 km

More information

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