Tabulated Geohazard Susceptibility Assessment
Total Page:16
File Type:pdf, Size:1020Kb
TABULATED GEOHAZARD SUSCEPTIBILITY ASSESSMENT OF THE BARANGAY CENTERS WITHIN THE MUNICIPALITY OF LABANGAN, ZAMBOANGA DEL SUR LANDSLIDE FLOOD SUSCEPTIBILITY LANDSLIDE FLOOD ASSESSED BY/DATA BRGY MUNICIPALITY LONGITUDE LATITUDE SUSCEPTIBILITY AS OF RATING REMARKS/RECOMMENDATIONS REMARKS/RECOMMENDATIONS SOURCE RATING Bagalupa LABANGAN 123.373278 7.915833 none to low high (flashflood/sheet The build -up zone is situated Address and/or improve storm 2006 MGB-RO (gentle slope; within the river and low within the floodplain zone of water drainage network; Observe floodplain; brgy. lying floodplain near Labangan River; Landslide occurs for rapid increase/decrease of center); the brgy. center) within the steep ridge slopes away floodwater possible accompanied moderate to from the barangay center; by increase turbidity and soil high (steep ridge Monitor/observe for presence of content; Develop early warning slopes, vertical displacement, and cracks system/signal for floodhazard gully/valley perpendicular to the steep related hazard sides; riverbank; slopes/valley sides/roadcuts; prevention/mitigation. roadcuts) develop an early warning device/system intended for landslide-related hazard prevention/mitigation; Activate Barangay Disaster Coordinating Council (BDCC). Balimbingan LABANGAN 123.532444 7.882195 none to low high (flashflood/sheet The area is prone to riverbank Address and/or improve storm 2006 MGB-RO (West Luya) (floodplain; within the river and low scouring; Address unprotected water drainage network; Observe brgy. center); lying floodplain near riverbank by constructing properly for rapid increase/decrease of high (steep ridge the brgy. center) engineered concrete embankment floodwater possible accompanied slopes, protection along build-up zone; by increase turbidity and soil gully/valley Monitor/observe for presence of content; Develop early warning sides; riverbank) vertical displacement, and cracks system/signal for floodhazard perpendicular to the steep related hazard slopes/valley prevention/mitigation; Identify sides/roadcuts;develop an early evacuation and/or relocation site. warning device/system intended for landslide-related hazard prevention/mitigation; Activate Barangay Disaster Coordinating Council (BDCC). Binayan LABANGAN 123.400694 7.926750 none to low high (flashflood/sheet The area is prone to riverbank Address and/or improve storm 2006 MGB-RO (floodplain; within the river and low scouring; Address unprotected water drainage network; Observe brgy. center); lying floodplain near riverbank by constructing properly for rapid increase/decrease of high (steep ridge the brgy. center) engineered concrete embankment floodwater possible accompanied slopes, protection along build-up zone; by increase turbidity and soil gully/valley Monitor/observe for presence of content; Develop early warning sides; riverbank) vertical displacement, and cracks system/signal for floodhazard perpendicular to the steep related hazard slopes/valley prevention/mitigation; Identify sides/roadcuts;develop an early evacuation and/or relocation site. warning device/system intended for landslide-related hazard prevention/mitigation; Activate Barangay Disaster Coordinating Council (BDCC). Bokong LABANGAN 123.460194 7.910667 none to low low (barangay center); The barangay center is situated at Address and/or improve storm 2006 MGB-RO (floodplain; moderate to high the fooslope of a steeply sloping water drainage network; Observe brgy. center); (flashflood/sheet ridge; Possible landslide for rapid increase/decrease of high (steep ridge within the Labangan accumulation zone; There were floodwater possible accompanied slopes, River and its low lying identified active landslide by increase turbidity and soil gully/valley floodplain zone) escarpment along steep slopes, content; Develop early warning sides; riverbank) north of the barangay; system/signal for floodhazard Monitor/observe for presence of related hazard vertical displacement, and cracks prevention/mitigation; Identify perpendicular to the steep evacuation and/or relocation site. slopes/valley sides; Limit/avoid the constructing residential /infrastructure projects directly along the foot of the steep slope; develop an early warning device/system intended for landslide-related hazard prevention/mitigation; Activate Barangay Disaster Coordinating Council (BDCC). Bulanit LABANGAN 123.482544 7.847649 none moderate to high Activate Barangay Disaster The barangay proper is situated 2006 MGB-RO (sheetflood within Coordinating Council (BDCC). within the vast low lying floodplain;ricefield; floodplain/alluvial plain betweem brgy. center) Tawagan River and Labangan River; Address and/or improve storm water drainage network; Observe for rapid increase/decrease of floodwater possible accompanied by increase turbidity and soil content for both river systems; Develop early warning system/signal for flood related hazard prevention/mitigation; Identify evacuation and/or relocation site. Cogonan LABANGAN 123.308566 7.961421 moderate (brgy. high (flashflood/sheet Monitor/observe for presence of Address and/or improve storm 2006 MGB-RO center; gentle within the river and low vertical displacement, and cracks water drainage network; Observe foot slopes); lying narrow floodplain) perpendicular to the steep for rapid increase/decrease of high (steep ridge slopes/valley floodwater possible accompanied slopes, sides/roadcuts;develop an early by increase turbidity and soil gully/valley warning device/system intended content; Develop early warning sides; riverbank) for landslide-related hazard system/signal for flashflood related prevention/mitigation; Activate hazard prevention/mitigation; Barangay Disaster Coordinating Council (BDCC). Dalapang LABANGAN 123.490628 7.860594 none high The area is prone to riverbank Address and/or improve storm 2006 MGB-RO (floodplain; scouring; Address unprotected water drainage network; Observe brgy. center); riverbank by constructing properly for rapid increase/decrease of high (channel engineered concrete embankment floodwater possible accompanied erosion of protection along build-up zone; by increase turbidity and soil Labangan River) Activate Barangay Disaster content; Develop early warning Coordinating Council (BDCC); system/signal for flood-related Avoid/limit construction of houses hazard prevention/mitigation; near the river channels). Identify evacuation site. Dipaya LABANGAN 123.434306 7.923528 none to low high (flashflood/sheet The area is prone to riverbank Address and/or improve storm 2006 MGB-RO (floodplain; within the river and low scouring; Address unprotected water drainage network; Observe brgy. center); lying floodplain near riverbank by constructing properly for rapid increase/decrease of high (steep ridge the brgy. center) engineered concrete embankment floodwater possible accompanied slopes, protection along build-up zone; by increase turbidity and soil gully/valley Monitor/observe for presence of content; Develop early warning sides; riverbank) vertical displacement, and cracks system/signal for floodhazard perpendicular to the steep related hazard slopes/valley prevention/mitigation; Identify sides/roadcuts;develop an early evacuation and/or relocation site. warning device/system intended for landslide-related hazard prevention/mitigation; Activate Barangay Disaster Coordinating Council (BDCC). Langapod LABANGAN 123.356556 7.914499 none to low high (flashflood/sheet The area is prone to riverbank Address and/or improve storm 2006 MGB-RO (floodplain; within the river and low scouring; Address unprotected water drainage network; Observe brgy. center); lying floodplain near riverbank by constructing properly for rapid increase/decrease of moderate to the brgy. center) engineered concrete embankment floodwater possible accompanied high (steep ridge protection along build-up zone; by increase turbidity and soil slopes, Monitor/observe for presence of content; Develop early warning gully/valley vertical displacement, and cracks system/signal for floodhazard sides; riverbank) perpendicular to the steep related hazard slopes/valley prevention/mitigation; Identify sides/roadcuts;develop an early evacuation and/or relocation site. warning device/system intended for landslide-related hazard prevention/mitigation; Activate Barangay Disaster Coordinating Council (BDCC). Lantian LABANGAN 123.498399 7.883289 none to low moderate to high Observe and presence of mass Address and/or improve storm 2006 MGB-RO (brgy. proper) (flashflood/sheetflood movement (soil creep); Activate water drainage network; Observe within low lying Barangay Disaster Coordinating for rapid increase/decrease of floodplain zone near Council (BDCC) floodwater possible accompanied rivers/creeks; ricefield by increase turbidity and soil zone) content; Develop early warning system/signal for flood-related hazard prevention/mitigation; Identify evacuation site. Lower Campo LABANGAN 123.514016 7.864761 none moderate to high The area is prone to riverbank Address and/or improve storm 2006 MGB-RO Islam (Pob.) (floodplain; scouring; Address unprotected water drainage network; Observe brgy. center); riverbank by constructing properly for rapid increase/decrease of high (channel engineered concrete embankment floodwater possible accompanied erosion of river protection along build-up zone; by increase turbidity and soil channels) Activate Barangay Disaster content; Develop early warning Coordinating Council (BDCC); system/signal for flood-related Avoid/limit construction of houses hazard prevention/mitigation;