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Volcanic eruption in Tonga and the Pacific
An underwater volcano in the South Pacific erupted violently causing tsunamis to hit Hawaii, Japan, and Tonga's largest island, Tongatapu sending waves flooding into the capital.
The Hunga-Tonga-Hunga-Ha'apai volcano, about 30 kilometers (18.6 miles) southeast of Tonga's Fonuafo'ou island, first erupted on Friday 14 Janurary and a second time on Saturday 15 January around 5:26 p.m. local time, according to media reports. 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.
Related News and Resources
| Location of Event: | Tonga |
| Date of Charter Activation: | 2022-01-15 |
| Time of Charter Activation: | 16:35 |
| Time zone of Charter Activation: | UTC+01:00 |
| Charter Requestor: | UNITAR on behalf of United Nations Office for the Coordination of Humanitarian Affairs (OCHA) | Regional Office for Asia and the Pacific |
| Activation ID: | 744 |
| Project Management: | UNITAR |
Products
The impact of Tonga volcanic eruption on the vegetation of the surrounding islands
Download full report
Download full report
Source: PlanetScope
Acquired: 14/01/2022, 16/01/2022
Category: Delineation Map
Copyright: © Planet Labs Inc. (2022)
map produced by CNES
map produced by CNES
Source: Sentinel-1, Sentinel-2
Acquired: Sentinel-1: 22/12/2021, 03/01/2022
Sentinel-2: 28/11/2021, 17/01/2022
Sentinel-2: 28/11/2021, 17/01/2022
Category: Delineation Map
Copyright: Contains modified Copernicus Sentinel data (2022)
Map produced by British Geological Survey
Map produced by British Geological Survey
Damage assessment in 'Ohonua town, 'Eua Prope district, 'Eua division, Tonga
Source: Pleiades / WorldView-3
Acquired: Pleiades: 19/01/2022 and 20/01/2022
WorldView-3: 14/09/2021
WorldView-3: 14/09/2021
Category: Grading Map
Copyright: Includes Pleiades material © CNES (2022), Distribution Airbus DS.
WorldView-3 © (2021) DigitalGlobe, Inc., Longmont CO USA 80503. DigitalGlobe and the DigitalGlobe logos are trademarks of DigitalGlobe, Inc. The use and/or dissemination of this data and/or of any product in any way derived there from are restricted. Unauthorized use and/or dissemination is prohibited
Map produced by UNITAR/UNOSAT
WorldView-3 © (2021) DigitalGlobe, Inc., Longmont CO USA 80503. DigitalGlobe and the DigitalGlobe logos are trademarks of DigitalGlobe, Inc. The use and/or dissemination of this data and/or of any product in any way derived there from are restricted. Unauthorized use and/or dissemination is prohibited
Map produced by UNITAR/UNOSAT
Damage Assessment, of 'Eua Island, Tonga, following Hunga Tonga-Hunga Ha'apai volcanic eruption
Download the full report
Download the full report
Source: Sentinel-2 / WorldView-3 / Pleiades
Acquired: Sentinel-2: 14/01/2022 and 19/01/2022
WorldView-3: 14/09/2021
Pleiades: 20/01/2022
WorldView-3: 14/09/2021
Pleiades: 20/01/2022
Category: Grading Map
Copyright: Contains modified Copernicus Sentinel data (2022)
WorldView-3 © (2021) DigitalGlobe, Inc., Longmont CO USA 80503. DigitalGlobe and the DigitalGlobe logos are trademarks of DigitalGlobe, Inc. The use and/or dissemination of this data and/or of any product in any way derived there from are restricted. Unauthorized use and/or dissemination is prohibited
Includes Pleiades material © CNES (2022), Distribution Airbus DS.
Report produced by UNITAR/UNOSAT
WorldView-3 © (2021) DigitalGlobe, Inc., Longmont CO USA 80503. DigitalGlobe and the DigitalGlobe logos are trademarks of DigitalGlobe, Inc. The use and/or dissemination of this data and/or of any product in any way derived there from are restricted. Unauthorized use and/or dissemination is prohibited
Includes Pleiades material © CNES (2022), Distribution Airbus DS.
Report produced by UNITAR/UNOSAT
Damage assessment in Nomuka Island, Mu'omu'a district, Ha'apai division,Tonga
Source: WorldView-2, Pleiades
Acquired: WorldView-2: 13/11/2021
Pleiades: 17/01/2022
Pleiades: 17/01/2022
Category: Reference Map
Copyright: © (2022) DigitalGlobe, Inc., Longmont CO USA 80503. DigitalGlobe and the DigitalGlobe logos are trademarks of DigitalGlobe, Inc. The use and/or dissemination of this data and/or of any product in any way derived there from are restricted. Unauthorized use and/or dissemination is prohibited
Includes Pleiades material © CNES (2022), Distribution Airbus DS.
Map produced by UNITAR / UNOSAT
Includes Pleiades material © CNES (2022), Distribution Airbus DS.
Map produced by UNITAR / UNOSAT
Damage assessment in Mango Island, Mu'omu'a district, Ha'apai division, Tonga
Source: WorldView-2, KOMPSAT-3, Kanopus-V
Acquired: WorldView-2: 21/11/2021
KOMPSAT-3: 18/01/2022
Kanopus-V: 18/01/2022
KOMPSAT-3: 18/01/2022
Kanopus-V: 18/01/2022
Category: Gradient Monitoring Maps
Copyright: © (2022) DigitalGlobe, Inc., Longmont CO USA 80503. DigitalGlobe and the DigitalGlobe logos are trademarks of DigitalGlobe, Inc. The use and/or dissemination of this data and/or of any product in any way derived there from are restricted. Unauthorized use and/or dissemination is prohibited
© KARI (2022).
© NTs OMZ, All Rights Reserved
Map produced by UNITAR / UNOSAT
© KARI (2022).
© NTs OMZ, All Rights Reserved
Map produced by UNITAR / UNOSAT
Grading Product NUKU ALOFA RPT01
Source: Pleiades
Acquired: 17/01/2022, 18/01/2022
Category: Delineation Map
Copyright: Includes Pleiades material © CNES (2022), Distribution Airbus DS.
Map produced by ITHACA
Map produced by ITHACA
Grading Product NUKU ALOFA RPT03
Source: Pleiades
Acquired: 17/01/2022, 18/01/2022
Category: Grading Map
Copyright: Includes Pleiades material © CNES (2022), Distribution Airbus DS.
Map Produced by ITHACA
Map Produced by ITHACA
Grading Product NUKU ALOFA RPT06
Source: Pleiades
Acquired: 17/01/2022, 18/01/2022
Category: Grading Map
Copyright: Includes Pleiades material © CNES (2022), Distribution Airbus DS.
Map produced by ITHACA
Map produced by ITHACA
Grading Product NUKU ALOFA RPT04
Source: Pleiades
Acquired: 17/01/2022, 18/01/2022
Category: Grading Map
Copyright: Includes Pleiades material © CNES (2022), Distribution Airbus DS.
Map Produced by ITHACA
Map Produced by ITHACA
Grading Product NUKU ALOFA RPT05
Source: Pleiades
Acquired: 17/01/2022, 18/01/2022
Category: Grading Map
Copyright: Includes Pleiades material © CNES (2022), Distribution Airbus DS.
Map produced by ITHACA
Map produced by ITHACA
Damage assessment in Mango Island, Mu'omu'a district, Ha'apai division, Tonga
Source: Kanopus-V, KOMPSAT-3, WorldView-2
Acquired: WorldView-2: 21/11/2021
Kanopus-V: 18/01/2022
KOMPSAT-3: 18/01/2022
Kanopus-V: 18/01/2022
KOMPSAT-3: 18/01/2022
Category: Reference Map
Copyright: © NTs OMZ, All Rights Reserved
© KARI (2022).
© (2022) DigitalGlobe, Inc., Longmont CO USA 80503. DigitalGlobe and the DigitalGlobe logos are trademarks of DigitalGlobe, Inc. The use and/or dissemination of this data and/or of any product in any way derived there from are restricted. Unauthorized use and/or dissemination is prohibited
Map produced by UNITAR / UNOSAT
© KARI (2022).
© (2022) DigitalGlobe, Inc., Longmont CO USA 80503. DigitalGlobe and the DigitalGlobe logos are trademarks of DigitalGlobe, Inc. The use and/or dissemination of this data and/or of any product in any way derived there from are restricted. Unauthorized use and/or dissemination is prohibited
Map produced by UNITAR / UNOSAT
Pre and post-event situation over Nomuka island, Tonga
Source: Pleiades
Acquired: 17/01/2022
Category: Delineation Map
Copyright: Includes Pleiades material © CNES (2022), Distribution Airbus DS.
Map produced by ICube-SERTIT
Map produced by ICube-SERTIT
Pre and post-event situation over Hunga Tonga island
Source: Pleiades
Acquired: 16/01/2022
Category: Delineation Map
Copyright: Includes Pleiades material © CNES (2022), Distribution Airbus DS.
Map produced by ICube-SERTIT
Map produced by ICube-SERTIT
Pre and post-event situation over Nomuka island, Tonga
Source: Pleiades
Acquired: 17/01/2022
Category: Delineation Map
Copyright: Includes Pleiades material © CNES (2022), Distribution Airbus DS.
Map produced by ICube-SERTIT
Map produced by ICube-SERTIT
Pre and post-event situation over Vaiola Hospital, Nuku Alofa, Tonga
Source: Pleiades
Acquired: 18/01/2022
Category: Delineation Map
Copyright: Includes Pleiades material © CNES (2022), Distribution Airbus DS.
Map produced by ICube-SERTIT
Map produced by ICube-SERTIT
Pre and post-event situation over Nuku Alofa, Tonga
Source: Pleiades
Acquired: 18/01/2022
Category: Delineation Map
Copyright: Includes Pleiades material © CNES (2022), Distribution Airbus DS.
Map produced by ICube-SERTIT
Map produced by ICube-SERTIT
Pre and post-event situation over Nuku Alofa, Tonga
Source: Pleiades
Acquired: 18/01/2022
Category: Delineation Map
Copyright: Includes Pleiades material © CNES (2022), Distribution Airbus DS.
Map produced by ICube-SERTIT
Map produced by ICube-SERTIT
Preliminary Satellite Derived Damage Assessment - Volcanic Eruption and induced tsunami in Mango Island Tonga
Source: Kanopus-V, WorldView-2 / KOMPSAT-3
Acquired: Kanopus-V: 17/01/2022
KOMPSAT-3: 18/01/2022
WorldView-2: 21/11/2021
KOMPSAT-3: 18/01/2022
WorldView-2: 21/11/2021
Category: Grading Map
Copyright: © NTs OMZ, All Rights Reserved
© (2022) DigitalGlobe, Inc., Longmont CO USA 80503. DigitalGlobe and the DigitalGlobe logos are trademarks of DigitalGlobe, Inc. The use and/or dissemination of this data and/or of any product in any way derived there from are restricted. Unauthorized use and/or dissemination is prohibited
© KARI (2022). Map produced by UNITAR / UNOSAT
© (2022) DigitalGlobe, Inc., Longmont CO USA 80503. DigitalGlobe and the DigitalGlobe logos are trademarks of DigitalGlobe, Inc. The use and/or dissemination of this data and/or of any product in any way derived there from are restricted. Unauthorized use and/or dissemination is prohibited
© KARI (2022). Map produced by UNITAR / UNOSAT
Satellite-Derived Damage Observation by Volcanic Eruption and induced tsunami, Hunga Tonga-hunga Ha'apai Volcano
Source: WorldView-2, JILIN-1, GF-1 (Gaofen-1), Sentinel-2
Acquired: WorldView-2: 14/05/2020
Gaofen-1B/D: 16/01/2022
JILIN-1: 17/01/2022
Sentinel-2-2B: 17/01/2022
Gaofen-1B/D: 16/01/2022
JILIN-1: 17/01/2022
Sentinel-2-2B: 17/01/2022
Category: Reference Map
Copyright: © (2020) DigitalGlobe, Inc., Longmont CO USA 80503. DigitalGlobe and the DigitalGlobe logos are trademarks of DigitalGlobe, Inc. The use and/or dissemination of this data and/or of any product in any way derived there from are restricted. Unauthorized use and/or dissemination is prohibited
© CGSTL (2022)
© CNSA/CRESDA (2022)
Contains modified Copernicus Sentinel data (2022)
Map produced by CASC and Second Institute of Oceanography, MNR, China
© CGSTL (2022)
© CNSA/CRESDA (2022)
Contains modified Copernicus Sentinel data (2022)
Map produced by CASC and Second Institute of Oceanography, MNR, China
Satellite-Derived Damage Observation by Volcanic Eruption and induced tsunami, Hunga Tonga-hunga Ha'apai Volcano
Source: WorldView-2, JILIN-1, GF-1 (Gaofen-1), Sentinel-2
Acquired: WorldView-2: 14/05/2020
Gaofen-1B/D: 16/01/2022
JILIN-1: 17/01/2022
Sentinel-2-2B: 17/01/2022
Gaofen-1B/D: 16/01/2022
JILIN-1: 17/01/2022
Sentinel-2-2B: 17/01/2022
Category: Reference Map
Copyright: © (2020) DigitalGlobe, Inc., Longmont CO USA 80503. DigitalGlobe and the DigitalGlobe logos are trademarks of DigitalGlobe, Inc. The use and/or dissemination of this data and/or of any product in any way derived there from are restricted. Unauthorized use and/or dissemination is prohibited
© CGSTL (2022)
© CNSA/CRESDA (2022)
Contains modified Copernicus Sentinel data (2022)
Map produced by CASC and Second Institute of Oceanography, MNR, China
© CGSTL (2022)
© CNSA/CRESDA (2022)
Contains modified Copernicus Sentinel data (2022)
Map produced by CASC and Second Institute of Oceanography, MNR, China
Damage assessment in Atata Island, Kolovao district, Tongatapu division, Tonga
Source: Pleiades
Acquired: 17/01/2022
Category: Grading Map
Copyright: Includes Pleiades material © CNES (2022), Distribution Airbus DS.
Map produced by UNITAR / UNOSAT
Map produced by UNITAR / UNOSAT
Damage assessment in Nomuka village, Mu'omu'a district, Ha'apai division Nomuka Island
Source: Pleiades
Acquired: 16/01/2022
Category: Grading Map
Copyright: Includes Pleiades material © CNES (2022), Distribution Airbus DS.
Map produced by UNITAR/UNOSAT
Map produced by UNITAR/UNOSAT
Volcanic Eruption of the 15 January 2022 and induced tsunami, Hunga Tonga-hunga Ha'apai Volcano- Preliminary Satellite-Derived Assessment
Download the full report
Source: Sentinel-2, Pleiades
Acquired: Sentinel-2: 08/12/2021
Pleiades: 16/01/2022
Pleiades: 16/01/2022
Category: Reference Map
Copyright: Contains modified Copernicus Sentinel data (2021)
Includes Pleiades material © CNES (2022), Distribution Airbus DS.
Map produced by UNITAR / UNOSAT
Includes Pleiades material © CNES (2022), Distribution Airbus DS.
Map produced by UNITAR / UNOSAT
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