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Cyclone Gita in Tonga

Cyclone Gita, a Category 4 storm, hit Tonga on 12 February after causing widespread damage in the neighbouring island of Samoa. The eye of the storm passed over Tongatapu island, the most populous island group in Tonga, causing one fatalitly and injuring 33.

The National Emergency Management Office (NEMO) reported that 79% of the population had been affected, and confirmed Gita as the strongest storm to his the islands on record. Over 100 evacuation centres were prepared to house over 4500 evacuees as the Tongan government declared a state of emergency.

Gita caused extensive flooding in low lying, coastal and river areas around Savai'I and Upolu and further widesread flooding in the Vaisigano catchment area with thousands of properties being damaged.

The storm affected Tonga's power supply, with authorities confirming that Tongatapu was without power after winds exceeding 190 mph damaged infrastructure, leaving hospitals only remaining operational through generators.

By the 15 February the storm moved south-southwest away from Tonga heading towards New Caledonia.

Тип события:	Ocean Storm - Cyclone
Место события:	Tonga
Date of Charter Activation:	2018-02-12
Время активации Хартии:	09:28
TЧасовой пояс в районе активации Хартии:	UTC+01:00
Запрос на активацию поступил от:	UNITAR-UNOSAT on behalf of United Nations Office for the Coordination of Humanitarian Affairs (OCHA) \| Regional Office for Asia and the Pacific (ROAP)
Номер активации:	566
Менеждер проекта от:	UNITAR/UNOSAT

Products

Grading map of Veitongo on Tongatapu Island

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Авторские права: Pleiades © CNES (2018) - Distribution: Airbus Defence and Space, all rights reserved
WorldView-2 © DigitalGlobe Inc.
Map produced by e-GEOS

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Получено: Pleiades: 05/08/2017 and 15/02/2018
WorldView-2: 13/02/2018

Источник: Pleiades / WorldView-2

Grading map of Houma on Tongatapu Island

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Map produced by e-GEOS

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Получено: Pre-disaster: 05/08/2017
Post-disaster: 15/02/2018

Источник: Pleiades

GITA-18: Comprehensive Satellite Detected Building Damage Assessment Overview As Of 28 February 2018

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WorldView-3 © DigitalGlobe Inc.

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Получено: Pleiades: 14/02/2018, 15/02/2018, 16/02/2018 and 21/02/2018
WorldView-3: 12/01/2018
WorldView-2: 13/02/2018

Источник: Pleiades / WorldView-2 / WorldView-3

Damage assessment of Fatumu, Haveluliku, Pelehake, in Tongatapu Island

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Получено: Pleiades: 21/02/2018
WorldView-3: 12/01/2018

Источник: Pleiades / WorldView-3

Damage assessment of Cultural Heritage Sites in Tongatapu Island

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Получено: Pleiades: 15/02/2018 and 16/02/2018
WorldView-3: 12/01/2018

Источник: Pleiades / WorldView-3

Damage assessment of eastern Nuku-alofa, Tongatapu Island

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Получено: Pleiades: 15/02/2018
WorldView-3: 12/01/2018

Источник: Pleiades / WorldView-3

Damage assessment of the towns of Holonga, Malapo, Vaini, Longoteme and Fohala, Tongatapu Island

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Pleiades © CNES (2018) - Distribution: Airbus Defence and Space, all rights reserved
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Получено: WorldView-3: 12/01/2018
Pleiades: 15/02/2018

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Damage assessment of Fua amotu town and airport, Tongatapu Island

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Получено: WorldView-3: 12/01/2018
Pleiades: 16/02/2018

Источник: WorldView-3 / Pleiades