M 7.5 Earthquake and Tsunami (1.6 m) in Taiwan from 02 Apr 2024 23:58 UTC to 23:58

Event summary

This earthquake is expected to have a medium humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 7.5M
Glide number: EQ-2024-000040-TWN
Depth: 11 Km
Lat/Lon: 23.8 , 121.7
Event Date: 02 Apr 2024 23:58 UTC
03 Apr 2024 07:58 Local
Exposed Population: 260 thousand (in MMI>=VII)
Source: NTWC at00sbcakx
Inserted at: 03 Apr 2024 00:12 UTC
INFORM Coping capacity of the alert score
3.6 (China)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Rapid Impact)
Tsunami GDACS score
NTWC 1 1.2 1.2
at00sbcakx Scaled population (vector) 4.54 Max wave scenario 0.85m  
  C1 rapid impact -0.59 Max wave realtime 1.57m  
  C2 rapid impact 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
1562635 1.2 02 Apr 2024 23:58 7.5M, 11.4km 7.61 260 thousand (in 100km) 1.6m (at 00:08) 00:12 PTWC
1562636 1.2 02 Apr 2024 23:58 7.5M, 11km N/A 260 thousand (in 100km) 1.6m (at 00:08) 00:14 NTWC
1562637 1.4 02 Apr 2024 23:58 7.4M, 34.8km 7.81 2.9 million (in MMI>=VII) 1m (at 00:15) 00:16 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 137,274) . The nearest places are Shui-lien, Chia-lu-lan, Hua-lien, Feng-shan, Ch'u-yin, Feng-lin, Feng-kuang, Jung-shu, Ta-shan, Feng-pin, and Chi-chia-yang.

Radius Population
100 km 710000 people
75 km 310000 people
50 km 240000 people
20 km 20000 people
10 km no people
5 km no people
2 km no people

Affected Provinces

Region Province Country Population
Taiwan China 140000 people

Affected populated places

Name Region Province Country City class Population Distance
Shui-lien Hua-lien Taiwan Village - 15 km
Chia-lu-lan Hua-lien Taiwan Village - 20 km
Hua-lien Hua-lien Taiwan Major city - 22 km
Feng-shan Hua-lien Taiwan Village - 23 km
Ch'u-yin Hua-lien Taiwan Village - 23 km
Feng-lin Hua-lien Taiwan Village - 26 km
Feng-kuang Hua-lien Taiwan Village - 28 km
Jung-shu Hua-lien Taiwan Village - 28 km
Ta-shan Hua-lien Taiwan Village - 28 km
Feng-pin Hua-lien Taiwan Village - 29 km
Sha-lao Hua-lien Taiwan Village - 31 km
Chien-fan Hua-lien Taiwan Village - 36 km
Hsin-ch'eng Hua-lien Taiwan City - 37 km
Chung-hu Hua-lien Taiwan Village - 40 km
T'ieh-chia-lung-she Hua-lien Taiwan City - 40 km
Shih-ti-ping Hua-lien Taiwan City - 42 km
Fu-min Hua-lien Taiwan Village - 43 km
Ta-chiang-k'ou Hua-lien Taiwan Village - 44 km
Wan-shan-t'ang Hua-lien Taiwan Village - 45 km
Ta-lo-ma Hua-lien Taiwan Village - 47 km
Chang-yüan Hua-lien Taiwan Village - 49 km
Sung-pu Hua-lien Taiwan Village - 52 km
Lo-shao Hua-lien Taiwan Village - 53 km
San-li Hua-lien Taiwan Village - 55 km
Kuan-yüan Hua-lien Taiwan Village - 57 km
Ching-kuan Nan-t'ou Taiwan Village - 58 km
T'ai-kao-li Hua-lien Taiwan Village - 58 km
Lieh-k'o-ni Hua-lien Taiwan Village - 59 km
Ao-hua I-lan Taiwan Village - 59 km
Chia-tsou-wan Pi T'ai-tung Taiwan City - 59 km
Chieh-shou-t'ing Nan-t'ou Taiwan Village - 63 km
Yü-li Hua-lien Taiwan City - 65 km
Tzu-yüan Nan-t'ou Taiwan Village - 67 km
Sung-pai T'ai-chung Taiwan Village - 68 km
Hung-hsiang T'ai-chung Taiwan Village - 68 km
Ka-sha Nan-t'ou Taiwan Village - 68 km
Chi-chia-yang I-lan Taiwan Village - 70 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 26 km
Lishan LHN unknown 0 70 km
Sun Moon Lake SMT unknown 0 79 km

Ports

Name LOCODE Country Distance
Hualien TWHUN Taiwan 22 km
Suao TWSUO Taiwan 90 km

Dams

Reservoir Dam Name River Year Distance
Guguan Dajiaxi 1961 83 km

More information

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