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08 December 2021

Flooding in the Federated States Of Micronesia

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Type of Event:Flood
Location of Event:Micronesia, Federated States Of
Date of Charter Activation:2021-12-08
Time of Charter Activation:20:34
Time zone of Charter Activation:UTC-06:00
Charter Requestor:USGS
Activation ID:740
Project Management:USGS

Multiple states (in the Federated States of Micronesia) have experienced substantial coastal flooding from a combination of King tides, La Nina elevated sea levels, and strong northerly winds. There have been reports of substantial damage and a second event is expected with another bout of high tides.

The region consists of multiple atolls and islands, with multiple islets within each atoll. Many are very remote, taking a day or two to reach by boat. They are inhabited, and some settlements rely on subsistence agriculture harvested from neighboring islets.

Roads by Amata Kabua International Airport in Majuro was down to single lane traffic Monday afternoon as heavy equipment operators moved up and down the long roadway clearing rocks and debris that blocked the road from inrushing tidal water. Waves washing over boulder barriers caused flooding on the roads half a meter deep before receding.

The Hawaii-based, US government-funded Pacific Islands Ocean Observing System website forecasts tides to begin dropping in the coming days.

 

Products

Flooded area in Yap

Source: Sentinel-1
Acquired: 15/12/2021

Category: Delineation Map

Copyright: Contains modified Copernicus Sentinel data (2021)
Map produced by University of Connecticut

Flooded area in Yap

Source: Sentinel-1
Acquired: 14/12/2021

Category: Delineation Map

Copyright: Contains modified Copernicus Sentinel data (2021)
Map produced by University of Connecticut

Flooded area in Pohnpei

Source: Sentinel-1
Acquired: 12/12/2021

Category: Delineation Map

Copyright: Contains modified Copernicus Sentinel data (2021)
Map produced by University of Connecticut

Kapingamarangi, Pohnpei State

Source: WorldView-3 / Pleiades
Acquired: WorldView-3: 21/05/2021
Pleiades: 11/12/2021

Category: Grading Map

Copyright: 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 (2021), Distribution Airbus DS.
Map produced by USGS

Preliminary damage assessment, Woleai, Nukuoro, Kapingamarangi, and Fais Islands of Micronesia

Download full report

Source: WorldView-2 / Pleiades
Acquired: Pleaides: 10/12/2021
WorldView-2: 12/12/2021

Category: Grading Map

Copyright: WorldView-2 © (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 (2021), Distribution Airbus DS.
Report produced by UNITAR / UNOSAT

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