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Assistance during Disasters (Public Service) – Natonin Landslide (Typhoon Rosita)

 

During the onslaught of Typhoon Rosita last October to November 2018, Sitio Ha’rang in Banawel, Natonin, Mountain Province experienced landslide which buried the DPWH 2nd District Engineering Building. A total of 30 individual were reported affected by the landslide where 3 were killed and 27 were trapped inside the DPWH building.


Photo taken during the SAR Operations. (Source: PDRRMO-Mountain Province)

Photo taken during the SAR Operations. (Source: PDRRMO-Mountain Province)

Photo taken during the SAR Operations. (Source: PDRRMO-Mountain Province)

Photo taken during the SAR Operations. (Source: PDRRMO-Mountain Province)

Photo taken during the SAR Operations. (Source: PDRRMO-Mountain Province)

Photo taken during the SAR Operations. (Source: PDRRMO-Mountain Province)

The University of the Philippines Resilience Institute offered technical assistance during the search and retrieval operation which was conducted from 31 October 2018 to 21 November 2018. UPRI delineated boundaries of major landslide areas by using satellite images. NOAH maps were also used to verify areas of high, moderate and low hazards.


Satellite image after typhoon Rosita. The arrows indicate other major landslide areas.

Satellite image (NDVI) after typhoon Rosita. The arrows indicate other major landslide areas.

Outline of the major landslide on top of the NOAH Hazard Map. Arrows indicate the source or ”head” part of the other landslides.

Satellite image after typhoon Rosita. Landslide points were provided by the local government.

Satellite image (NDVI) after the typhoon. Landslide points were provided by the local government.

Outline of the major landslide in Natonin on top of the NOAH Hazard Map. Landslide points were given by the local government.

Outline of the major landslide in Natonin. The image was zoomed in for the tracing of the extent of the delineation

Outline of the major landslide in Natonin based on NDVI map. The image was zoomed in for the tracing of the extent of the delineation.

Outline of the major landslide in Natonin on top of the NOAH Hazard Map. The image was zoomed in for the tracing of the extent of the delineation.
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