Product ID: 3439 - English
Published: 20 Jan, 2022
GLIDE: VO20220115TON


Product Links
PDF (3.4MB)     - Static viewing and printing
Shapefile          - Download a Shapefile of data
WebMap          - Dynamic viewing in a browser
Geodatabase   - Download data in the ESRI format

This map illustrates the impact of the Hunga Tonga-hunga Ha'apai volcanic eruption and the subsequent in Nomuka island (Mu'omu'a district, Tonga) and damage assessment as detected
from a Pleiades image acquired on 18 January 2022, 10:45 local time. In this island, UNOSAT identified 260 structures. 52 structures were identified as damaged and/or destroyed, 13 as potentially flooded and almost all the structures were covered with ash.
This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to UNITAR-UNOSAT.
Satellite Data (Post-event): Pleiades
Imagery Date: 17 Jan. 2022, 21:45 UTC
Resolution: 50 cm
Copyright: CNES (2021), distribution Airbus D&S
Source: Airbus DS
Satellite Data (Pre-event): WorldVIew-2
Imagery Date: 13 Nov. 2021
Resolution: 50 cm
Copyright: © DigitalGlobe, Inc. (2021)
Source: HDDS / USGS
Background: ESRI World Imagery
Boundary data: OCHA
Road data: OpenStreetMap
Populated place: OpenStreetMap
Building footprint: OpenStreetMap
Analysis: United Nations Satellite Centre (UNOSAT)
Production: United Nations Satellite Centre (UNOSAT)