Flood & Landslide Hazard Maps
MGB-DENR Region III | Detailed geohazard maps for all Bataan municipalities
Bataan Province, PH
Sun, 06 Sep 2026
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MGB Region III · DENR · Geohazard Assessment
Flood & Landslide Hazard Maps
Detailed susceptibility maps — all 12 Bataan municipalities · DENR Mines and Geosciences Bureau Regional Office III
12
Municipalities
67
High-Risk Brgy
217
Total Analyzed
Reference-map notice: Flood and Landslide Susceptibility Zone labels below are visual interpretations of the supplied MGB map PNGs. They are reference information, not coordinate-level records generated by Import & AutoML.
🌊FLOOD
Very High
High
Moderate
Low
⛰️LANDSLIDE
Very High
High
Moderate
Low
Glance View
Orion — Landslide & Flood Hazard Map
MGB Geohazard Assessment Team · Geosciences Division MGB Region III · Scale 1:20,000 · 2020 · 1904×2000px native
Flood Risk: LOW 3/23 High-Risk
100%
Hazard Map Orion
Flood:Low – Moderate Landslide:High – Very High Res:1904×2000
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🌊
Flood Susceptibility
Low – Moderate
Purple/blue zones. Flood depths & duration vary by level. Very High = >2m lasting >3 days during extreme events. Includes active river channels, abandoned channels & topographic lows along river banks.
⛰️
Landslide Susceptibility
High – Very High
Brown/red zones on steep slopes underlain by weak materials. Evidence includes recent landslides, scarps, tension cracks, gullies. Human-initiated effects (road cuts, excavation) are aggravating factors.
🤖
Flood Exposure Summary
3 / 23 Brgy
3 of 23 barangays fall under the actual Moderate to High / High flood susceptibility classes from the validated Excel file. Municipality classification: LOW. Dominant hazard: ⛰️ Landslide Dominant.
🌊 Flood Susceptibility Zones — Orion
Zone 1: Manila Bay Edge
Low Flood
💧 Depth: <0.5m
Duration: <1 day
Affected Barangays:
Arellano Bilolo Calumpang
Zone 2: River Flats
Moderate Flood
💧 Depth: 0.5–1m
Duration: 1–3 days
Affected Barangays:
Daang Bago Kaput Puting Buhangin
⛰️ Landslide Susceptibility Zones — Orion
Zone 1: Bataan Natural Park Edge
Very High LS
🪨 Type: Rock falls + deep-seated slides
Affected Barangays:
Don Basilio Quiling Sur
Zone 2: Transitional Belt
High LS
🪨 Type: Inactive old slides
Affected Barangays:
Diwa Mabatang Sta. Anastacia
📋 Location Data Details — Orion
Orion's eastern coastal strip has generally lower flood susceptibility, while the western mountainous zone carries higher landslide susceptibility. Based on the validated Excel counts, 3 of 23 barangays fall under the Moderate to High / High flood classes.
Source
MGB–DENR Region III
Scale
1:20,000
Map Year
2020 Updated
Resolution
1904×2000px
Datum
Luzon 1911
Projection
Transverse Mercator
📊 All Municipalities — Comparative Overview
City of Balanga
14/24
Samal
9/14
Hermosa
6/15
Abucay
4/9
Bagac
5/14
Mariveles
1/13
Dinalupihan
15/46
Limay
0/12
Orion
3/23
Orani
8/23
Pilar
2/19
Morong
0/5
100%
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