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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.

Detailed information

Locations affected by Wave (15 locations).
Date of maximum Wave	Name	Wave height (m)	City size	Delay of maximum tsunami (hours)	Delay of tsunami arrival (hours)	Location (lat/long)

Niue
11-Nov-2022 11:10:62	Alofi	0.4m	Capital (population 619)	00:22	00:16	-19.06 / -169.92
11-Nov-2022 11:14:76	Hakupu	0.4m	Populated place (population 217)	00:26	00:17	-19.13 / -169.84
11-Nov-2022 11:08:93	Avatele	0.4m	Populated place (population 121)	00:20	00:15	-19.12 / -169.91
11-Nov-2022 11:12:16	Liku	0.2m	Populated place (population 70)	00:24	00:19	-19.05 / -169.79
11-Nov-2022 11:10:55	Mutalau	0.1m	Populated place (population 128)	00:22	00:18	-18.96 / -169.83
11-Nov-2022 11:10:55	Lakepa	0.1m	Populated place (population 85)	00:22	00:18	-19.01 / -169.81
Tonga
11-Nov-2022 12:02:45	Falehau	0.2m	Populated place	01:14	00:34	-15.95 / -173.73
11-Nov-2022 11:46:95	Hihifo	0.2m	Populated place (population 800)	00:58	00:36	-15.97 / -173.76
11-Nov-2022 11:48:33	Kolonga	0.1m	Populated place	01:00	00:31	-21.14 / -175.08
11-Nov-2022 12:20:02	Ohonua	0.1m	Populated place (population 1236)	01:32	00:31	-21.34 / -174.95
11-Nov-2022 11:49:87	Mua	0.1m	Populated place	01:01	00:31	-21.18 / -175.12
11-Nov-2022 11:49:87	Fatumu	0.1m	Populated place	01:01	00:31	-21.21 / -175.11
11-Nov-2022 12:03:96	Fuaamotu	0.1m	Populated place	01:15	00:32	-21.26 / -175.14
11-Nov-2022 12:26:38	Foui	0.1m	Populated place	01:38	00:44	-21.11 / -175.34
11-Nov-2022 12:26:38	Nukunuku	0.1m	Populated place	01:38	00:44	-21.13 / -175.3

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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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The designations employed and the presentation of material on the map do not imply the expression of any opinion whatsoever on the part of the European Union concerning the legal status of any country, territory or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.