Overall Green Earthquake alert in Tonga Islands Region from 11 Nov 2022 10:48 UTC to 10:48

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 in Tonga Islands Region from 11 Nov 2022 10:48 UTC to 10:48

Hazard models

Rapid Impact

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:	7.5M
Depth:	33 Km
Event Date:	11 Nov 2022 10:48 UTC 10 Nov 2022 23:48 Local
Exposed Population:	20 thousand in MMI&>=IV
Source:	PTWC pt22315000
Inserted at:	11 Nov 2022 11:01 UTC
INFORM Coping capacity of the alert score:	1.1 ()

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Rapid Impact)		Tsunami		GDACS score
PTWC	0		0.3		0.3
pt22315000	Scaled population (vector)	0	Max wave alert	0.35m
	C1 rapid impact	0	Max wave realtime	0.35m
	C2 rapid impact	0
	Country Vulnerability	0
	INFORM_normalised	0

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
1472551	0.2	11 Nov 2022 10:48	7.5M, 46km	N/A	20 thousand (in 100km)	0.2m (at 01:10)	00:11	GEOFON
1472552	0.3	11 Nov 2022 10:48	7.5M, 33km	4.53	20 thousand (in 100km)	0.4m (at 00:22)	00:12	PTWC
1472553	0.2	11 Nov 2022 10:48	7.5M, 33km	4.5	20 thousand (in 100km)	0.1m (at 00:00)	00:17	NTWC
1472555	0.4	11 Nov 2022 10:48	7.1M, 10km	4.19	N/A (in MMI>=VII)	0.4m (at 00:22)	00:20	NEIC
1472561	0.1	11 Nov 2022 10:48	7.3M, 24.797km	4.22	N/A (in MMI>=VII)	0.2m (at 00:22)	00:38	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 0.4m in Alofi, Niue. This height is estimated for 11-Nov-2022 11:10:85.

Alert	Date (UTC)	Name	Country	Wave height (m)
	11-Nov-2022 11:10:85	Alofi	Niue	0.4
	11-Nov-2022 11:10:85	Niue	Niue	0.4
	11-Nov-2022 11:47:78	Fagasa	American Samoa	0.2
	11-Nov-2022 11:47:78	Pago Pago	American Samoa	0.2
	11-Nov-2022 11:47:78	Siufaga	American Samoa	0.2
	11-Nov-2022 11:47:78	Nuuuli	American Samoa	0.2
	11-Nov-2022 11:47:78	Fagatogo	American Samoa	0.2
	11-Nov-2022 11:47:78	Atuu	American Samoa	0.2
	11-Nov-2022 11:47:78	Utulei	American Samoa	0.2
	11-Nov-2022 11:47:78	Matuu	American Samoa	0.2
	11-Nov-2022 11:47:78	Fagaalu	American Samoa	0.2
	11-Nov-2022 11:47:78	Leloaloa	American Samoa	0.2
	11-Nov-2022 11:47:78	Aua	American Samoa	0.2
	11-Nov-2022 11:47:78	Lauliifou	American Samoa	0.2
	11-Nov-2022 11:47:78	Afono	American Samoa	0.2
	11-Nov-2022 11:47:78	Masefau	American Samoa	0.2
	11-Nov-2022 11:47:78	Auto	American Samoa	0.2
	11-Nov-2022 11:47:78	Fagaitua	American Samoa	0.2
	11-Nov-2022 11:47:78	Alofau	American Samoa	0.2
	11-Nov-2022 11:47:78	Aunuu	American Samoa	0.2
	11-Nov-2022 11:47:78	Pago Pago	Samoa	0.2
	11-Nov-2022 11:47:78	Pago_Pago_AS	USA	0.2
	11-Nov-2022 11:03:62	Avatele	Niue	0.2
	11-Nov-2022 11:03:62	Hakupu	Niue	0.2
	11-Nov-2022 11:11:17	Neiafu	Tonga	0.2
	11-Nov-2022 11:56:35	Hihifo	Tonga	0.2
	11-Nov-2022 12:35:14	Poloa	American Samoa	0.2
	11-Nov-2022 12:35:14	Amanave	American Samoa	0.2
	11-Nov-2022 12:35:14	Seetaga	American Samoa	0.2
	11-Nov-2022 12:35:14	Fagamalo	American Samoa	0.2
	11-Nov-2022 12:35:14	Amaluia	American Samoa	0.2
	11-Nov-2022 12:35:14	Leone	American Samoa	0.2
	11-Nov-2022 12:35:14	Vailoatai	American Samoa	0.2
	11-Nov-2022 12:35:14	Taputimu	American Samoa	0.2
	11-Nov-2022 12:35:14	Futiga	American Samoa	0.2
	11-Nov-2022 12:35:14	Pavaiai	American Samoa	0.2
	11-Nov-2022 12:35:14	Vaitogi	American Samoa	0.2
	11-Nov-2022 12:35:14	Iliili	American Samoa	0.2
	11-Nov-2022 12:35:14	Mesepa	American Samoa	0.2
	11-Nov-2022 12:35:14	Faleniu	American Samoa	0.2
	11-Nov-2022 12:05:18	Ohonua	Tonga	0.1
	11-Nov-2022 11:06:84	Liku	Niue	0.1
	11-Nov-2022 12:20:29	Samatau	Samoa	0.1
	11-Nov-2022 12:20:29	Faleaseela	Samoa	0.1
	11-Nov-2022 11:48:59	Fatumu	Tonga	0.1
	11-Nov-2022 11:06:59	Lakepa	Niue	0.1
	11-Nov-2022 11:42:62	Aoa	American Samoa	0.1
	11-Nov-2022 11:42:62	Amouli	American Samoa	0.1
	11-Nov-2022 11:42:62	Alao	American Samoa	0.1
	11-Nov-2022 12:25:92	Mua	Wallis and Futuna	0.1
	11-Nov-2022 11:58:95	Kolonga	Tonga	0.1
	11-Nov-2022 11:58:95	Niutoua	Tonga	0.1
	11-Nov-2022 12:10:82	Ongea	Fiji	0.1
	11-Nov-2022 12:25:92	Alo	Wallis and Futuna	0.1
	11-Nov-2022 11:03:62	Mutalau	Niue	0.1
	11-Nov-2022 11:24:64	Fuaamotu	Tonga	0.1
	11-Nov-2022 11:42:62	Onenoa	American Samoa	0.1
	11-Nov-2022 11:42:62	Tula	American Samoa	0.1
	11-Nov-2022 11:56:57	Alaufau	American Samoa	0.1
	11-Nov-2022 11:56:57	Lalomoana	American Samoa	0.1
	11-Nov-2022 11:56:57	Olosega	American Samoa	0.1
	11-Nov-2022 11:52:38	Esia	Fiji	0.1
	11-Nov-2022 11:27:07	Falehau	Tonga	0.1
	11-Nov-2022 11:57:18	Leusoalii	American Samoa	0.1
	11-Nov-2022 11:44:48	Tau	American Samoa	0.1
	11-Nov-2022 11:44:48	Faleasau	American Samoa	0.1
	11-Nov-2022 12:43:43	Namuka	Fiji	0.1
	11-Nov-2022 12:25:13	Leava (Futuna Island- Wallis and Futuna)	France	0.1
	11-Nov-2022 11:30:92	Pea	Tonga	0.1
	11-Nov-2022 12:21:79	Foui	Tonga	0.1
	11-Nov-2022 12:21:79	Nukunuku	Tonga	0.1
	11-Nov-2022 12:21:79	Houma	Tonga	0.1
	11-Nov-2022 12:10:26	Lotofago	Samoa	0.1
	11-Nov-2022 12:37:92	Gautavai	Samoa	0.1
	11-Nov-2022 13:13:42	Aasu	American Samoa	0.1
	11-Nov-2022 12:12:93	Salelologa	Samoa	0.1
	11-Nov-2022 12:12:93	Tuasivi	Samoa	0.1
	11-Nov-2022 12:43:69	Mua	Wallis and Futuna	0.1
	11-Nov-2022 12:25:13	Leava	Wallis and Futuna	0.1
	11-Nov-2022 11:58:95	Matautu	Samoa	0.1
	11-Nov-2022 11:58:95	Siumu	Samoa	0.1
	11-Nov-2022 12:32:82	Amaile	Samoa	0.1
	11-Nov-2022 12:40:37	Fuailalo	Samoa	0.1

See full locations list (RSS)

Initial conditions

Title: ""220 km ESE of Neiafu""

Fault parameters

Latitude: -19.322
Longitude: -172.016
Length: 89 km
Width: 24 km
Magnitude: 7.5 M

Okada parameters:

Slip: 2.3 m
Strike: 193 (geogr angle: north=0, south=180)
Dip: 19 degree
Rake: 90 degree
Depth: 33 km

Calculation parameters

Calculation space (lon/lat): -179.516, -26.822, -164.516, -11.822
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/2022/11/34552/locations.xml
Populated places affected by tsunami (KML):
http://webcritech.jrc.ec.europa.eu/ModellingOutput/TsunamiSurge/JETS_System/2022/11/34552/locations.kml

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

Disclaimer
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