II NN DD EE XX MM AA PP :: 125°45'0"E 125°50'0"E ROSARIO DETAILED LANDSLIDE AND FLOOD HAZARD MAP OF 4117-IV-15 4117-I-11 4117-I-12 ROSA TALACOGON AND LA PAZ, AGUSAN DEL SUR, PHILIPPINES 8°20'0"N 8°20'0"N LA PAZ 4117-I-16 4117-I-17 4117-I-16 COMOTA QUADRANGLE 4117-IV-20 125°45'0"E 125°46'0"E 125°47'0"E 125°48'0"E 4117-IV-25 4117-I-21 4117-I-22 125°45'0"E 125°50'0"E 8°21'0"N 8°21'0"N Purok III (Desamparados)# μ 0120.5 Kilometers LL E G E N D : Desamparados Natl. High School (Desamparados)n Main road POBLACIONP! Barangay center location Purok I So. Magaling (Desamparados)# Secondary road (Poblacion)# Purok/Sitio location (Barangay) DESAMPARADOS P Purok II (Desamparados)# Track; trail n School Desamparados Elem. School (Desamparados)n River v® Hospital Municipal boundary G Church 80 Contour (meter) Proposed relocation site Landslide 8°20'0"N 8°20'0"N Very high landslide susceptibility Areas usually with steep to very steep slopes and underlain by weak materials. Recent landslides, escarpments and tension cracks are present. Human initiated effects could be an aggravating factor. High landslide susceptibility Areas usually with steep to very steep slopes and underlain by weak materials. Areas with numerous old/inactive landslides. Moderate landslide susceptibility Areas with moderately steep slopes. Soil creep and other indications of possible landslide occurrence are present. Low landslide susceptibility Osmeña Relocation Site (Osmena) Gently sloping areas with no identified landslide. Debris flow / Possible accumulation zone Purok VII Tagyago Areas that could be affected by landslide debris. (Osmena# Sr.) Active landslide >>>D Creep Inactive landslide Tension crack Landslide area with mitigating measure HHHGully ///Rock fall/Rock slide prone area Riverbank erosion Old landslide deposits 8°19'0"N 8°19'0"N Recent landslide deposits Areas susceptible to ground subsidence/sinkhole development Flood Very high flood susceptibility Areas likely to experience flood heights of greater than 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 Purok V Durian (Osmena# Sr.) Areas likely to experience flood heights of greater than 1 up to Purok VIII 2 meters and/or flood duration of more than 3 days. (Osmena# Sr.) 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. Moderate flood susceptibility Purok IV (Osmena# Sr.) Areas likely to experience flood heights of greater than 0.5m up to Purok II 1 meter and/or flood duration of 1 to 3 days. These (Osmena Sr.)#P Taga-Ilog Em. School areas are subject to widespread inundation during prolonged and OSMEÑA SR. # n (Osmena Sr.) Purok III extensive heavy rainfall or extreme weather condition. Fluvial terraces, (Osmena Sr.) alluvial fans, and infilled valleys are areas moderately subjected to flooding. 8°18'0"N 8°18'0"N 125°45'0"E 125°46'0"E 125°47'0"E 125°48'0"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.