Detailed Landslide and Flood Hazard Map of Nasipit And

Detailed Landslide and Flood Hazard Map of Nasipit And

II NN DD EE XX MM AA PP :: 125°20'0"E 125°25'0"E DETAILED LANDSLIDE AND FLOOD HAZARD MAP OF 9°0'0"N NASIPIT AND BUENAVISTA, AGUSAN DEL NORTE, PHILIPPINES 9°0'0"N RMEN BUTUAN CIT 4018-I-3 ATAATAHON QUADRANGLE 4018-I-2 4018-I-3 4018-I-4 NASIPIT BUENAVISTA 125°21'0"E 125°22'0"E 125°23'0"E 125°24'0"E 4018-I-7 4018-I-8 4018-I-9 125°20'0"E 125°25'0"E 9°0'0"N 9°0'0"N μ 0120.5 Kilometers District I District VII BUTUAN BAY (Punta)# (Punta)# LL E G E N D : Main road POBLACIONP! Barangay center location So. Magaling District VI Secondary road (Poblacion) Purok/Sitio location (Barangay) (Punta)# # Track; trail n School District II (Ata-atahon)# River v® Hospital Municipal boundary G Church 80 Contour (meter) Proposed relocation site District VII District IV (Ata-atahon) (Kinabjangan)# # Distict I Seaside (Sacol)# Landslide District V ATA-ATAHON P 8°59'0"N (Ata-atahon)# District I 8°59'0"N # #(Ata-atahon) Very high landslide susceptibility Areas usually with steep to very steep slopes and underlain by District II Riverside SACOLP District VI Tabigue (Sacol)# weak materials. Recent landslides, escarpments and tension (Sacol)# cracks are present. Human initiated effects could be an District VII aggravating factor. (Ata-atahon)# District V Cabulacan (Sacol) District III # (Kinabjangan)# High landslide susceptibility Nasipit Districtv® Hospital Areas usually with steep to very steep slopes and underlain by District VI (Kinabjangan)# weak materials. Areas with numerous old/inactive landslides. District III (Ata-atahon)# Moderate landslide susceptibility KINABJANGAN District West District Central II Areas with moderately steep slopes. Soil creep and other P (Cubi-cubi) (Cubi-cubi)# # indications of possible landslide occurrence are present. Purok V District Central I (Poblacion# 4) (Cubi-cubi)P# Low landslide susceptibility CUBI-CUBI District East (Cubi-cubi)# District IV Gently sloping areas with no identified landslide. (Kinabjangan)# District II Purok I Debris flow / Possible accumulation zone (Kinabjangan) # (Agong-ong) # Areas that could be affected by landslide debris. District VII Toll Bridge (Sacol)# Active landslide >>>D Creep Inactive landslide Tension crack Landslide area with mitigating measure HHHGully District V Dampias (Kinabjangan) # ///Rock fall/Rock slide prone area Riverbank erosion Purok II Old landslide deposits 8°58'0"N (Agong-ong) 8°58'0"N # Agong-ong National School Recent landslide deposits (Agong-ong)n n Areas susceptible to ground subsidence/sinkhole development Agong-ong Elementary School Purok I (Agong-ong) (Malpoc)# Flood Purok III Very high flood susceptibility (Agong-ong)# Areas likely to experience flood heights of greater than AGONG-ONGP 2 meters and/or flood duration of more than 3 days. These areas are immediately flooded during heavy rains of several hours; include landforms of topographic lows such as active river channels, abandoned river channels and area along river banks; also prone to flashfloods. High flood susceptibility Areas likely to experience flood heights of greater than 1 up to 2 meters and/or flood duration of more than 3 days. These areas are immediately flooded during heavy rains Purok VII (Malpoc)# of several hours; include landforms of topographic lows such as active river channels, abandoned river channels and area along river banks; also prone to flashfloods. District I Moderate flood susceptibility (Culit)# Areas likely to experience flood heights of greater than 0.5m up to Purok I 1 meter and/or flood duration of 1 to 3 days. These (Macalang)# Purok III (Malpoc)# areas are subject to widespread inundation during prolonged and PurokP II extensive heavy rainfall or extreme weather condition. Fluvial terraces, (Macalang)#n alluvial fans, and infilled valleys are areas moderately subjected to flooding. 8°57'0"N 8°57'0"N 125°21'0"E 125°22'0"E 125°23'0"E 125°24'0"E Low flood susceptibility Areas likely to experience flood heights of 0.5 meter or less and/or flood duration of less than 1 day. These areas include Data Sources : Coordinate System : low hills and gentle slopes. They also have sparse to MGB Geohazard Assessment Team moderate drainage density. DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES Spheroid : . Clark 1866 Lands Geological Survey Division Projection : . Transverse Mercator Geosciences Division MGB Regional Office XIII MINES AND GEOSCIENCES BUREAU Datum : . Luzon 1911 Direction of 1.2 National Mapping and Resource Information Authority ? Flood depth (meter) North Avenue, Diliman, Quezon City ? rising floodwater Direction of ! Mapping scale 1:10,000 Flashflood exit point ? % ALL RIGHTS RESERVED GIS Processing : receding floodwater PUBLISHED DECEMBER 2015 Lands Geological Survey Division.

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