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Situation overview for the Tonga volcanic eruption as of 18th January 2022.

The map shows the location of the Hunga Tonga - Hunga Ha’apai volcanoe in relation to the surrounding pacific island countries.

This map illustrates impact of the Hunga Tonga-hunga Ha'apai volcanic eruption and subsequent tsunami in the Atata island (Kolovao district, Tonga) and the related damage assessment as detected from a Pleiades image acquired on 18 January 2022.

Source : :United Nations Satellite Centre(UNOSAT)
 

This map illustrates effects of the Hunga Tonga-hunga Ha'apai volcanic eruption in Nomuka island (Mu'omu'a district, Tonga) and damage assessment as detected from a Pleiades image acquired on 17 January 2022.

250 structures identified. 104 structures were analyzed in the cloud-free area and 41 structures were identified as damaged and almost all the structures were covered with ash. This is a preliminary analysis and has not yet been validated in the field

The report describes Preliminary Satellite-Derived Damage Assessment Status for the Kingdom of Tonga - Affected structures and affected facilities observed in all island after tsunami triggered by volcanic eruption.

Source : UNOSTAT

This map illustrates effects of the Hunga-Tonga Hunga- Ha'apai volcanic eruption in Mango island and damage assessments as detected from a Kompsat-3 image acquired o 18 January 2022. UNOSTAT identified 26 structures as damaged and/or destroyed and 1 structure as potentially damaged. The entire island appears to be covered with ashes. This is a preliminary analysis and has not yet been validated in the field

The Hunga Tonga-Hunga Ha'apai massive undersea volcanic eruption occurred on the 15th of January 2022 and led to an induced tsunami event.  The eruption triggered a tsunami warning for several South Pacific island nations with rising water levels were reported on the coastline of Peru and the Pacific Coast in the United States and caused devastating impact across Tonga. In addition, volcanic ash residue was also visible on land surfaces including building structures and surrounding vegetation.

This dataset contains preliminary impact assessments of the Hunga-Tonga-Hunga-Ha'apai volcanic eruption and induced tsunami in January 2022.

The eruptions sent a plume of ash, gas and steam 20 kilometers (12.4 miles) into the air. Satellite imagery showed a massive ash cloud and shockwaves spreading from the eruption. Ash was falling from the sky in the Tonga capital, Nuku'alofa, Saturday evening and phone connections were down. The eruption was likely the biggest recorded anywhere on the planet in more than 30 years, according to experts.

This dataset contains all spatial data that is related to the Tonga volcanic eruption. Maps produced are derived from credible data source such as UNOSTAT and UNITAR.

Circular 21/150

Inform Plus proposed 5 pillars

• Component 1: Environmental Governance
• Component 2: Monitoring and field data collection for environmental standards and standardised environmental indicators
• Component 3: Data management utilising the Pacific Island Network Portal (PEP). Production of information products for decision makers based on existing data sets.
• Component 4: Enhance and expand GIS use for data collection, analysis and presentation to inform decision makers

Summary table of the status of Pacific Island countries in relation to International and Regional conventions.

First official update and media release following the volcanic eruption from the Government of Tonga, Dated 18th January 2022

This map illustrates the impact of the Hunga Tonga-hunga Ha'apai volcanic eruption and the subsequent tsunami in Fonoifua island located at 110 km NE of Nuku'alofa and also the building damage assessment as detected from a Pleaides image acquired on 20 January 2022.

Preliminary Satellite-Derived Damage Assessment as of 21st January 2022 for 'Eua Island.

Status:

Situation overview for the Tonga volcanic eruption as of 20th January 2022.

Source : United Nations Office for the Coordination of Humanitarian Affairs (OCHA)

Second Official Update and Media Release of the Hunga-Tonga-Hunga-Ha’apai Volcanic Eruption.

This map identifies  reefs that falls within each of the 3 Impact Zones 

This map illustrates the impact of the Hunga Tonga-hunga Ha'apai volcanic eruption and the subsequent tsunami in 'Ohonoua town ('Eua Prope district, Tonga) and damage assessment as detected from Pleiades images acquired on 20 January 2022 at 11:20 local time and 21 January 2022 at 11:13 local time.

The map shows landcover and vegetation impact of the Hunga Tonga Hunga Haápai volcanic eruption on the Tonga Island group.

The map was produced by JRC.. Joint Research Centre of the EU.  It provided a situation overview  as  at 18 & 19 Jan, 2022 Sources provided by UN OCHA.  Sattelite mapping activation sources: Corpernicus, UNOSAT- UNITR, International Charter Activation 744.

This document also provide some infomation on the  types of assistance that have been provided to the people as well as findings from the assessment.