Overall Orange Earthquake alert in Taiwan from 02 Apr 2024 23:58 UTC to 23:58

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

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

Hazard models

Rapid Impact

Shakemap

Tsunami

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:	11.4 Km
Event Date:	02 Apr 2024 23:58 UTC 03 Apr 2024 07:58 Local
Exposed Population:	260 thousand (in MMI>=VII)
Source:	PTWC pt24094050
Inserted at:	03 Apr 2024 00:10 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
PTWC	1		1.2		1.2
pt24094050	Scaled population (vector)	4.54	Max wave alert	1.56m
	C1 rapid impact	-0.59	Max wave realtime	1.56m
	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

ID	Score	Date	Mag, Depth	MMI*	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 00:45:94	Tu-ho	Taiwan	0.8
	3-Apr-2024 00:45:94	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 01:05:26	Fu-lien	Taiwan	0.5
	3-Apr-2024 00:38:02	Nan-liao	Taiwan	0.4
	3-Apr-2024 00:55:48	Tou-cheng	Taiwan	0.4
	3-Apr-2024 00:55:48	Tai-tung	Taiwan	0.4
	3-Apr-2024 00:40:59	Ta-niao	Taiwan	0.4
	3-Apr-2024 01:54:43	Hoshitate	Japan	0.4
	3-Apr-2024 00:42:95	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 01:08:16	Kuo-ch'i	Taiwan	0.3
	3-Apr-2024 00:20:85	Chien-ho	Taiwan	0.3
	3-Apr-2024 01:49:26	Toyohara	Japan	0.3
	3-Apr-2024 01:24:92	Ta-kuang	Taiwan	0.3
	3-Apr-2024 01:24:92	Heng-chjun	Taiwan	0.3
	3-Apr-2024 01:01:07	Chin-lun	Taiwan	0.2
	3-Apr-2024 01:12:24	Santa Lucia	Philippines	0.2
	3-Apr-2024 01:11:74	Chi-hsing	Taiwan	0.2
	3-Apr-2024 00:09:05	Hai-shen-p'ing	Taiwan	0.2
	3-Apr-2024 00:40:75	Tai-ma	Taiwan	0.2
	3-Apr-2024 01:06:76	Hsu-hai	Taiwan	0.2
	3-Apr-2024 01:07:45	Chiang tzu	Taiwan	0.2
	3-Apr-2024 01:26:98	Honai	Japan	0.2
	3-Apr-2024 01:21:54	Maobitou	Taiwan	0.2
	3-Apr-2024 01:35:84	Sakiyama	Japan	0.2
	3-Apr-2024 02:08:76	Kenting	Taiwan	0.2
	3-Apr-2024 02:08:76	O-luan-pi	Taiwan	0.2
	3-Apr-2024 01:21:24	Sugama	Japan	0.2
	3-Apr-2024 01:21:24	Arasato	Japan	0.2
	3-Apr-2024 01:17:47	Kubura	Japan	0.2
	3-Apr-2024 01:35:84	Shirabaramitake	Japan	0.2
	3-Apr-2024 02:48:57	She-liao	Taiwan	0.2
	3-Apr-2024 02:48:57	Che-cheng	Taiwan	0.2
	3-Apr-2024 01:09:41	Mahatao	Philippines	0.2
	3-Apr-2024 01:09:41	Itbud	Philippines	0.2
	3-Apr-2024 01:26:83	Ivana	Philippines	0.2
	3-Apr-2024 01:08:18	Bora	Japan	0.2
	3-Apr-2024 00:40:75	Itbayat	Philippines	0.2
	3-Apr-2024 01:09:05	Basco	Philippines	0.2
	3-Apr-2024 02:17:85	Minabul	Philippines	0.2
	3-Apr-2024 03:34:66	Bangan	Philippines	0.2
	3-Apr-2024 01:13:42	Ibarama	Japan	0.1
	3-Apr-2024 01:09:05	Nakanmuan	Philippines	0.1
	3-Apr-2024 01:09:05	Sabtang	Philippines	0.1
	3-Apr-2024 01:09:05	Chavayan	Philippines	0.1
	3-Apr-2024 03:13:34	Fang-shan	Taiwan	0.1
	3-Apr-2024 02:33:83	Claveria	Philippines	0.1
	3-Apr-2024 00:58:31	Ch'ang-t'an-li	Taiwan	0.1
	3-Apr-2024 00:49:26	San Dionisio	Philippines	0.1
	3-Apr-2024 00:55:84	Chin-shan	Taiwan	0.1
	3-Apr-2024 03:05:62	Chia-ho-ts'un	Taiwan	0.1
	3-Apr-2024 02:06:84	Banoa	Philippines	0.1
	3-Apr-2024 02:06:84	Visita	Philippines	0.1
	3-Apr-2024 03:02:21	Casambalangan	Philippines	0.1
	3-Apr-2024 02:05:74	Dinapigui	Philippines	0.1
	3-Apr-2024 02:55:64	San Benigno	Philippines	0.1
	3-Apr-2024 01:54:43	Agarisuji	Japan	0.1
	3-Apr-2024 00:43:35	Raile	Philippines	0.1
	3-Apr-2024 00:52:44	Wan-li	Taiwan	0.1
	3-Apr-2024 02:32:28	Feng-chiang	Taiwan	0.1
	3-Apr-2024 03:15:18	Kuninaka	Japan	0.1
	3-Apr-2024 01:51:34	San Vincente	Philippines	0.1
	3-Apr-2024 01:22:49	Hirano	Japan	0.1
	3-Apr-2024 01:06:45	Rarasi	Philippines	0.1
	3-Apr-2024 01:27:44	Ichimasui	Japan	0.1
	3-Apr-2024 03:08:07	Shui-ti-liao	Taiwan	0.1
	3-Apr-2024 03:26:33	Tangatong	Philippines	0.1
	3-Apr-2024 03:26:68	Lapusan	Philippines	0.1
	3-Apr-2024 02:00:23	Aka	Japan	0.1
	3-Apr-2024 02:16:83	Zamami	Japan	0.1
	3-Apr-2024 02:01:83	Ishigakijima	Japan	0.1
	3-Apr-2024 01:22:97	Ishigaki	Japan	0.1
	3-Apr-2024 01:22:97		Ishigaki	0.1
	3-Apr-2024 01:02:94	Lao-tung	Taiwan	0.1
	3-Apr-2024 03:10:44	Banua	Philippines	0.1
	3-Apr-2024 02:07:48	Dadao	Philippines	0.1
	3-Apr-2024 02:02:46	T'ien-ch'ien-ts'o	Taiwan	0.1
	3-Apr-2024 03:43:39	Fugu	Philippines	0.1
	3-Apr-2024 02:43:96	Calayab	Philippines	0.1
	3-Apr-2024 02:43:96	Nang-guyudan	Philippines	0.1
	3-Apr-2024 03:23:23	Liu-chiu Hsu	Taiwan	0.1
	3-Apr-2024 02:45:16	Karimata	Japan	0.1
	3-Apr-2024 02:12:13	Ta-lin-pu	Taiwan	0.1
	3-Apr-2024 02:12:13	Hou-ta-ts'o	Taiwan	0.1
	3-Apr-2024 01:53:93	Portugal	Philippines	0.1
	3-Apr-2024 01:25:26	Poso	Philippines	0.1
	3-Apr-2024 03:28:08	Bangui	Philippines	0.1
	3-Apr-2024 02:13:83	Itoman	Japan	0.1
	3-Apr-2024 02:13:83	Nakaza	Japan	0.1
	3-Apr-2024 02:43:96	Awaren	Japan	0.1
	3-Apr-2024 02:43:96	Tokashiku	Japan	0.1
	3-Apr-2024 02:10:42	Ohara	Japan	0.1
	3-Apr-2024 02:10:42	Nakachi	Japan	0.1
	3-Apr-2024 02:10:42	Nishime	Japan	0.1
	3-Apr-2024 02:10:42	Nakadomari	Japan	0.1
	3-Apr-2024 02:10:42	Gima	Japan	0.1
	3-Apr-2024 01:59:07	Shimajiri	Japan	0.1
	3-Apr-2024 01:59:07	Fuija	Japan	0.1
	3-Apr-2024 02:28:32	Shirafu	Japan	0.1
	3-Apr-2024 01:19:47	Cadagatan	Philippines	0.1
	3-Apr-2024 03:01:46	Kaniwalan	Philippines	0.1
	3-Apr-2024 03:01:46	Nagsidel	Philippines	0.1
	3-Apr-2024 01:46:96	Tung-chiang	Taiwan	0.1
	3-Apr-2024 01:46:96	Wu-lung	Taiwan	0.1
	3-Apr-2024 02:32:57	Aggao	Philippines	0.1
	3-Apr-2024 02:45:16	Buraan	Philippines	0.1
	3-Apr-2024 01:08:18	San-chih	Taiwan	0.1
	3-Apr-2024 03:05:62	Sorongan	Philippines	0.1
	3-Apr-2024 02:33:21	Namuac	Philippines	0.1
	3-Apr-2024 01:52:71	Cabuluan	Philippines	0.1
	3-Apr-2024 03:34:66	Talinaan	Philippines	0.1
	3-Apr-2024 02:07:83	Punta	Philippines	0.1
	3-Apr-2024 02:57:77	Dili	Philippines	0.1
	3-Apr-2024 02:57:77	Pinipin	Philippines	0.1
	3-Apr-2024 03:21:27	Kao-hsiung	Taiwan	0.1
	3-Apr-2024 01:50:45	Kuei-shan	Taiwan	0.1
	3-Apr-2024 02:27:88	Bawa	Philippines	0.1
	3-Apr-2024 03:25:02	Abulug	Philippines	0.1
	3-Apr-2024 02:40:07	Divilican	Philippines	0.1
	3-Apr-2024 01:42:93	Currimao	Philippines	0.1
	3-Apr-2024 02:41:44	Lobit	Philippines	0.1
	3-Apr-2024 02:41:44	Badoc	Philippines	0.1
	3-Apr-2024 02:40:99	Tonaki	Japan	0.1
	3-Apr-2024 02:43:96	Chifuwa	Japan	0.1
	3-Apr-2024 01:53:48	Chung-fu	Taiwan	0.1
	3-Apr-2024 03:13:34	Pasuquin	Philippines	0.1
	3-Apr-2024 02:52:81	Budbudac	Philippines	0.1
	3-Apr-2024 02:22:53	K'o-tzu-liao	Taiwan	0.1
	3-Apr-2024 01:54:39	Linao	Philippines	0.1
	3-Apr-2024 01:19:47	Diniyog	Philippines	0.1
	3-Apr-2024 03:22:04	Binacud	Philippines	0.1
	3-Apr-2024 02:58:48	Tagudin	Philippines	0.1
	3-Apr-2024 02:58:48	Bitalag	Philippines	0.1
	3-Apr-2024 03:47:63	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

Populated places affected by tsunami:
http://webcritech.jrc.ec.europa.eu/ModellingOutput/TsunamiSurge/JETS_System/2024/04/35258/locations.xml
Populated places affected by tsunami (KML):
http://webcritech.jrc.ec.europa.eu/ModellingOutput/TsunamiSurge/JETS_System/2024/04/35258/locations.kml

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

Disclaimer
While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information.
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