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
Depth: 11 Km
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.
Click on image to zoom it.

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.

Tsunami affected locations

The maximum Wave height is  1.6m in Hsin-ch'eng, Taiwan. This height is estimated for 3-Apr-2024 00:06:74.

Alert Date (UTC) Name Country Wave height (m)
3-Apr-2024 00:06:74 Hsin-ch'eng Taiwan  1.6
3-Apr-2024 00:06:74 T'ieh-chia-lung-she Taiwan  1.4
3-Apr-2024 00:18:66 Chia-lu-lan Taiwan  1.2
3-Apr-2024 00:28:65 Cheng-kung Taiwan  1.1
3-Apr-2024 00:21:76 Wu-shih Pi Taiwan  1.1
3-Apr-2024 00:08:86 Nan-ao Taiwan  0.9
3-Apr-2024 00:45:32 Tu-ho Taiwan  0.8
3-Apr-2024 00:45:32 Hsin-i Taiwan  0.8
3-Apr-2024 00:30:65 Hsin-ch'ang-ts'un Taiwan  0.7
3-Apr-2024 00:20:16 Chia-tsou-wan Pi Taiwan  0.7
3-Apr-2024 00:23:51 San Hsien Tai Taiwan  0.6
3-Apr-2024 00:05:21 Ta-chiang-k'ou Taiwan  0.6
3-Apr-2024 00:05:21 Shih-ti-ping Taiwan  0.6
3-Apr-2024 00:16:26 Chang-yuan Taiwan  0.6
3-Apr-2024 01:05:55 Fu-lien Taiwan  0.5
3-Apr-2024 00:38:02 Nan-liao Taiwan  0.4
3-Apr-2024 00:55:55 Tai-tung Taiwan  0.4
3-Apr-2024 00:55:55 Tou-cheng Taiwan  0.4
3-Apr-2024 00:40:75 Ta-niao Taiwan  0.4
3-Apr-2024 01:54:13 Hoshitate Japan  0.4
3-Apr-2024 00:42:01 Hsia-ta-chi Taiwan  0.4
3-Apr-2024 00:24:94 Hung-t'on Taiwan  0.3
3-Apr-2024 00:20:73 Yeh-yu Taiwan  0.3
3-Apr-2024 00:20:73 I-la-la-la-k'ou Taiwan  0.3
3-Apr-2024 01:08:69 Kuo-ch'i Taiwan  0.3
3-Apr-2024 00:20:85 Chien-ho Taiwan  0.3
3-Apr-2024 01:49:96 Toyohara Japan  0.3
3-Apr-2024 01:24:97 Ta-kuang Taiwan  0.3
3-Apr-2024 01:24:97 Heng-chjun Taiwan  0.3
3-Apr-2024 01:01:35 Chin-lun Taiwan  0.2
3-Apr-2024 01:12:73 Santa Lucia Philippines  0.2
3-Apr-2024 00:10:73 Hai-shen-p'ing Taiwan  0.2
3-Apr-2024 01:25:55 Chi-hsing Taiwan  0.2
3-Apr-2024 00:40:77 Tai-ma Taiwan  0.2
3-Apr-2024 01:06:05 Hsu-hai Taiwan  0.2
3-Apr-2024 01:07:56 Chiang tzu Taiwan  0.2
3-Apr-2024 01:26:03 Honai Japan  0.2
3-Apr-2024 01:21:87 Maobitou Taiwan  0.2
3-Apr-2024 01:03:09 Sakiyama Japan  0.2
3-Apr-2024 02:08:05 Kenting Taiwan  0.2
3-Apr-2024 02:08:05 O-luan-pi Taiwan  0.2
3-Apr-2024 01:21:36 Sugama Japan  0.2
3-Apr-2024 01:21:36 Arasato Japan  0.2
3-Apr-2024 01:17:99 Kubura Japan  0.2
3-Apr-2024 01:35:37 Shirabaramitake Japan  0.2
3-Apr-2024 02:48:94 She-liao Taiwan  0.2
3-Apr-2024 02:48:94 Che-cheng Taiwan  0.2
3-Apr-2024 01:09:94 Mahatao Philippines  0.2
3-Apr-2024 01:09:94 Itbud Philippines  0.2
3-Apr-2024 01:08:33 Bora Japan  0.2
3-Apr-2024 00:40:77 Itbayat Philippines  0.2
3-Apr-2024 01:09:54 Basco Philippines  0.2
3-Apr-2024 01:26:64 Ivana Philippines  0.2
3-Apr-2024 02:17:34 Minabul Philippines  0.2
3-Apr-2024 03:34:65 Bangan Philippines  0.2
3-Apr-2024 01:13:97 Ibarama Japan  0.1
3-Apr-2024 01:09:54 Nakanmuan Philippines  0.1
3-Apr-2024 01:09:54 Sabtang Philippines  0.1
3-Apr-2024 01:09:54 Chavayan Philippines  0.1
3-Apr-2024 02:33:62 Claveria Philippines  0.1
3-Apr-2024 00:58:12 Ch'ang-t'an-li Taiwan  0.1
3-Apr-2024 00:49:47 San Dionisio Philippines  0.1
3-Apr-2024 00:55:09 Chin-shan Taiwan  0.1
3-Apr-2024 03:13:71 Fang-shan Taiwan  0.1
3-Apr-2024 03:05:99 Chia-ho-ts'un Taiwan  0.1
3-Apr-2024 03:02:32 Casambalangan Philippines  0.1
3-Apr-2024 02:05:48 Dinapigui Philippines  0.1
3-Apr-2024 02:55:14 San Benigno Philippines  0.1
3-Apr-2024 01:54:13 Agarisuji Japan  0.1
3-Apr-2024 00:43:81 Raile Philippines  0.1
3-Apr-2024 00:52:81 Wan-li Taiwan  0.1
3-Apr-2024 02:32:65 Feng-chiang Taiwan  0.1
3-Apr-2024 03:15:64 Kuninaka Japan  0.1
3-Apr-2024 02:06:08 Banoa Philippines  0.1
3-Apr-2024 02:06:08 Visita Philippines  0.1
3-Apr-2024 01:51:71 San Vincente Philippines  0.1
3-Apr-2024 01:22:61 Hirano Japan  0.1
3-Apr-2024 01:06:57 Rarasi Philippines  0.1
3-Apr-2024 01:27:91 Ichimasui Japan  0.1
3-Apr-2024 03:08:45 Shui-ti-liao Taiwan  0.1
3-Apr-2024 03:26:94 Tangatong Philippines  0.1
3-Apr-2024 03:26:84 Lapusan Philippines  0.1
3-Apr-2024 02:00:05 Aka Japan  0.1
3-Apr-2024 02:16:22 Zamami Japan  0.1
3-Apr-2024 02:01:88 Ishigakijima Japan  0.1
3-Apr-2024 01:22:85 Ishigaki Japan  0.1
3-Apr-2024 01:22:85 Ishigaki  0.1
3-Apr-2024 01:02:27 Lao-tung Taiwan  0.1
3-Apr-2024 03:10:03 Banua Philippines  0.1
3-Apr-2024 02:07:54 Dadao Philippines  0.1
3-Apr-2024 02:02:19 T'ien-ch'ien-ts'o Taiwan  0.1
3-Apr-2024 03:43:21 Fugu Philippines  0.1
3-Apr-2024 02:43:16 Calayab Philippines  0.1
3-Apr-2024 02:43:16 Nang-guyudan Philippines  0.1
3-Apr-2024 03:23:37 Liu-chiu Hsu Taiwan  0.1
3-Apr-2024 02:45:23 Karimata Japan  0.1
3-Apr-2024 01:53:63 Portugal Philippines  0.1
3-Apr-2024 01:25:95 Poso Philippines  0.1
3-Apr-2024 02:13:95 Itoman Japan  0.1
3-Apr-2024 02:13:95 Nakaza Japan  0.1
3-Apr-2024 02:43:16 Awaren Japan  0.1
3-Apr-2024 02:43:16 Tokashiku Japan  0.1
3-Apr-2024 02:10:33 Ohara Japan  0.1
3-Apr-2024 02:10:33 Nakachi Japan  0.1
3-Apr-2024 02:10:33 Nishime Japan  0.1
3-Apr-2024 02:10:33 Nakadomari Japan  0.1
3-Apr-2024 02:10:33 Gima Japan  0.1
3-Apr-2024 01:59:66 Shimajiri Japan  0.1
3-Apr-2024 01:59:66 Fuija Japan  0.1
3-Apr-2024 02:28:79 Shirafu Japan  0.1
3-Apr-2024 01:19:82 Cadagatan Philippines  0.1
3-Apr-2024 03:01:53 Kaniwalan Philippines  0.1
3-Apr-2024 03:01:53 Nagsidel Philippines  0.1
3-Apr-2024 01:46:08 Tung-chiang Taiwan  0.1
3-Apr-2024 01:46:08 Wu-lung Taiwan  0.1
3-Apr-2024 02:12:92 Ta-lin-pu Taiwan  0.1
3-Apr-2024 02:12:92 Hou-ta-ts'o Taiwan  0.1
3-Apr-2024 02:32:27 Aggao Philippines  0.1
3-Apr-2024 02:45:23 Buraan Philippines  0.1
3-Apr-2024 01:08:33 San-chih Taiwan  0.1
3-Apr-2024 03:28:08 Bangui Philippines  0.1
3-Apr-2024 03:05:99 Sorongan Philippines  0.1
3-Apr-2024 02:33:22 Namuac Philippines  0.1
3-Apr-2024 03:34:65 Talinaan Philippines  0.1
3-Apr-2024 02:07:31 Punta Philippines  0.1
3-Apr-2024 02:57:14 Dili Philippines  0.1
3-Apr-2024 02:57:14 Pinipin Philippines  0.1
3-Apr-2024 03:21:01 Kao-hsiung Taiwan  0.1
3-Apr-2024 01:50:15 Kuei-shan Taiwan  0.1
3-Apr-2024 02:27:56 Bawa Philippines  0.1
3-Apr-2024 03:25:42 Abulug Philippines  0.1
3-Apr-2024 01:52:63 Cabuluan Philippines  0.1
3-Apr-2024 02:41:28 Divilican Philippines  0.1
3-Apr-2024 01:42:05 Currimao Philippines  0.1
3-Apr-2024 02:41:58 Lobit Philippines  0.1
3-Apr-2024 02:41:58 Badoc Philippines  0.1
3-Apr-2024 02:40:23 Tonaki Japan  0.1
3-Apr-2024 02:43:16 Chifuwa Japan  0.1
3-Apr-2024 01:52:06 Chung-fu Taiwan  0.1
3-Apr-2024 03:13:71 Pasuquin Philippines  0.1
3-Apr-2024 02:52:72 Budbudac Philippines  0.1
3-Apr-2024 02:22:02 K'o-tzu-liao Taiwan  0.1
3-Apr-2024 01:54:18 Linao Philippines  0.1
3-Apr-2024 01:19:82 Diniyog Philippines  0.1
3-Apr-2024 03:22:78 Binacud Philippines  0.1
3-Apr-2024 02:58:76 Tagudin Philippines  0.1
3-Apr-2024 02:58:76 Bitalag Philippines  0.1
3-Apr-2024 03:47:21 Bei'ao China  0.1

See full locations list (RSS)


Initial conditions

Title: ""21 km SSE of Hualien City""

Fault parameters

  • Latitude: 23.8
  • Longitude: 121.7
  • Length: 89 km
  • Width: 24 km
  • Magnitude: 7.5 M

Okada parameters:

  • Slip: 2.3 m
  • Strike: 262 (geogr angle: north=0, south=180)
  • Dip: 14 degree
  • Rake: 90 degree
  • Depth: 11 km

Calculation parameters

  • Calculation space (lon/lat): 114.2, 16.3, 129.2, 31.3
  • Instead of Step -> use Cell size:1.25 minutes

Sea Level

More information

  • Timeline:
    Tsunami calculations performed to this case, click here

  • Montecarlo:
    Tsunami Montecarlo simulation performed to this case, click here

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