II NN DD EE XX MM AA PP :: 125°45'0"E 125°50'0"E

DETAILED LANDSLIDE AND FLOOD HAZARD MAP OF 4118-III-25 4118-II-21 SAN FRANCISCO 4118-II-22 8°30'0"N SAN LUIS AND TALACOGON, , 8°30'0"N SAN LUIS 4117-I-1 CULI QUADRANGLE 4117-IV-5 4117-I-1 4117-I-2

125°45'0"E 125°46'0"E 125°47'0"E 125°48'0"E 4117-IV-10 TA LAC OG ON 4117-I-7 4117-I-6

125°45'0"E 125°50'0"E 8°30'0"N 8°30'0"N

Purok II Purok I (Culi)# (Culi)# μ 0120.5

Kilometers

Purok IV Culi-Ram Elem. School (Culi-Ram) LL E G E N D : (Culi-Ram) n # Purok I Purok II (Culi-Ram)# (Culi-Ram)#P Main road POBLACIONP! center location CULI-RAM So. Magaling Secondary road ()# Purok/Sitio location (Barangay)

Track; trail n School

River v® Hospital

Municipal boundary G Church

80 Contour (meter) Proposed relocation site Purok V (Culi-Ram)# Landslide 8°29'0"N

8°29'0"N Very high landslide susceptibility

Purok II Dinayhagan Areas usually with steep to very steep slopes and underlain by (Zamora)# 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.

Purok VII Low landslide susceptibility (Poblacion)# Purok VII (San Nicolas)# Gently sloping areas with no identified landslide. Debris flow / Possible accumulation zone Areas that could be affected by landslide debris.

Active landslide >>>D Creep Inactive landslide Tension crack Purok I Poblacion Purok VIII (Zamora)# (San Nicolas)# P ZAMORA Landslide area with mitigating measure HHHGully Zamora Elem. School (Zamora) n ///Rock fall/Rock slide prone area Riverbank erosion

Old landslide deposits 8°28'0"N 8°28'0"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 Purok V Purok VI (San Nicolas)# (San# Nicolas) 2 meters and/or flood duration of more than 3 days. # These areas are immediately flooded during heavy rains Purok IV of several hours; include landforms of topographic lows (San Nicolas) Purok# II (Sann Nicolas)# such as active river channels, abandoned river channels P Macopa# Talacogon NHS. (San# Isidro) and area along river banks; also prone to flashfloods. (San Nicolas) v® Talacogon Central Speed Learning Center Santol n (San Isidro) (San Isidro) #P High flood susceptibility Talacogon Elem. School SAN ISIDRO (POB) (San Isidro)n Areas likely to experience flood heights of greater than 1 up to Purok I Rose (San Agustin)# 2 meters and/or flood duration of more than 3 days. These areas are immediately flooded during heavy rains Bayabas (San# Isidro) of several hours; include landforms of topographic lows Purok I such as active river channels, abandoned river channels Purok II Santan (Labnig)# San Isidro (San Agustin)# Purok VI Pag-Ibig and area along river banks; also prone to flashfloods. (San Isidro) # PSAN AGUSTIN (POB) (Zamora)# Purok III Flordelis (San Agustin) Moderate flood susceptibility Areas likely to experience flood heights of greater than 0.5m up to Purok IV Anthurium Purok V Sampaguita Purok VII Secret Love 1 meter and/or flood duration of 1 to 3 days. These (San Agustin) (San Agustin) # # (San# Agustin) areas are subject to widespread inundation during prolonged and extensive heavy rainfall or extreme weather condition. Fluvial terraces, alluvial fans, and infilled valleys are areas moderately subjected to flooding. 8°27'0"N 8°27'0"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