80,000 85,000 90,000 95,000 100,000 105,000 110,000 115,000 120,000 120 20 80 20 20 5 20 20 Matagoda Pinnagoda 40 20 Maranwala 200,000 200,000 Dalupitiya Mabole 20 Gonahena East Keragala 20 Puwakwetiya 20 40 MAHARA 60 20 MAHARA Ederamulla Gonahena West Thimbirigasyaya
20 Ahugamana 60 Hendala 20 Ihala Biyanwila Udupila Alwis Town Pahala Biyanwila Akurumulla Palliyawatta Mahara Hunupitiya North Padiliyatuduwa Migahawatta Delgoda 40 40 Demalagama Natuduwa 20 WATTALA 40 20 60 Helummahara 10 20 20 40 Kammalawatta Alubowila 40 Hekitta Warahantuduwa Mawaramandiya 40 Makola North 20 Lansiyawatta
Hunupitiya South Avariyawatta 60 Madurawa E E E 20 Golummahara E 20 Iriyawetiya E Wattala 40 E 20 Daranagama 40 Pannawala E 20 80 60 Mattakkuliya 20 20 E Warakanatta Makola South 20 20 20 Pelahela
Thelangapatha Dippitigoda 40 Kanduboda E Dalugamgoda 40 Parangoda 20 20
Siyambalape E Wanawasala 20 Yatihena 20 40 KELANIYA Pamunuwila Pradeepagama Model Village Dekatana West Sapugaskanda 20
E Dalugama 20 Narampola Peliyagoda
Himbutuwegoda 20 E Thoranahandiya 20 20 Kohowila
Moragala E
Nungamugoda Galedanda Modara Heiyantuduwa 40 Badahelawatta BIYAGAMA E
20 20 20 20 20 Peliyagodawatta Wedamulla E Galborella Ganegoda 60 20 Kalukondayawa
E 40 20
40 Walgama 20 E Gonawala 20 Kottunna E 20 20 E Pilapitiya Kelaniya 20 E 20 20
E E 20
,000 E 40 E E 20
195 Diyakawita 195,000
20 E 20 20 Sedawatta 20 E Talwatta Mabima 20 Sinharamuula 40 WEKE E 60
Petiyagoda 40 Ganewatta 20 Pattiwila E E 40 E E 20 Waragoda E 20 20 E E E E 20 20 20 Dompe Pahala E 20 E E 20 20 Orugodawatta E E E Kotahena E 20 Kotuwila E E Yaburaliya E E Meetotamulla E Kittapahuwa Mulleriyawa North E Kelanimulla 20 E 40 20 Wenawatta Mahabuthgama E Biyagama E E E 20 Bollegala 20 20 20 E 20 E E Malwana 20 E Waturapata E Maligawatta Kohilawatta E E E 20
Hatigalla E E E Dompe E E Ihala Boomiriya Kuppiyawatta 20 Brandiyawatta E E
20 E E 20 20 E E E E E 20 E 20 Kuda Buthgamuwa Ambatale E Petah E E Dematagoda Belagama 20 E 20 Palhinimatagama Model Village Wellampitiya E E 20 Megoda Kolonnawa 20 Fort E 20 20 20 Pahala Mapitigama Plcep Kaduwela 20 20 20 Mulleriyawa 20 20 E KOLONNAWA 20 20 Himbutana 20 Weliwita 20 20 Atgalgoda 20 20 20 E Angoda Kotikawatta 20 Pahala Bomiriya 20 20 20 20 Gotatuwa 20 20 Maradana Kolonnawa E
20 Hewagama 20 Udumulla
Kompannaweediya Salamulla 20
20 40 E E E E Himbutana 20 20 20 20 E Udampitigama 20 Yakbedda 40 20 20 E 60 20 Kotalawala 20 20 E
COLOMBO 20 E 20 Kalapaluwawa 20 E Madinnagoda Aggona 40 20 Borella Rajagiriya Talahena 20 20 E Town Hall 60 E Cotta Road 20 80 40 20 20 20 Ranala E 20 40 E 20 20 20 20 20 Walpola 20 80 20 120 Ambulagama Cinnamon Garden 20 60 ,000 20 190 Koratota Nawagamuwa 190,000 Welikada East 20 Malambe 60 Battaramulla North 20 40 80
20 20 Henpita Koswatta Talangama North 20 40 40 20 20 80 40 40
20 20
KADUWELA 20 Manning Town 20 20 20 40 20 60
Ethul Kotte 80 40 20 120
20 20
Battaramulla South 20 20 20 Narahenpita Akurugoda 20 Jalatara Nawala 20 Arangala Oruwala Pelawatta Bambalapitiya 20 Timbirigasyaya NUGEGODA Pita Kotte Dedigamuwa
20 Polhengoda Atygala 20 20 20 20 Talangama South Hawlock Town 20 Pagoda Walpita 20 20 20 20 20 Jayawadanagama 40 Mullegama 20 20 20 20 Mirihana Lenagala Batawala Madiwela 40 Hokandara North 20 Jubilee Post Pore 20 20 20 20
40 20 20 Talawatugoda Wellawatta Nugegoda Mirihana 40
20 Edirigoda Hokandara South 20 20 40 20 20 Morahena 40 20 40 20
Aturugiriya 40 Kohuwala Habarakada 20 20 Talapathpitiya 20 20 20 Balapokuna 20 40 20
20 Kalubowila 20 Kalalgoda Walgama 20 20 20 40 40 40 40 ,000
185 Udahamulla Panagoda 185,000 Panagoda East 20 Kottawa North 20 40 Panagoda West
40 20 20 Rukmale 20 Navinna 20 Polwatta Pepiliyana Gangodawila South MAHARAGAMA 40 20 Homagama North Beddegedaramulla 20 Pamunuwa
Divulpitiya 40 Karagampitiya 60 Dehiwala 40 20 40
60 Godagama
Wattegedara Depanama 40 Maharagama Pannipitiya Kottawa South 20 Pallidora Bellatara 20 Moraketiya Malapalla Nikape 40 Rattanapitiya Godagama Gehenuwala
40 Egodawatta Homagama Kavdana 20 Homagama South Migoda Kottawa Pannipitiya North 40 20 20 Godigamuwa Ovitigama Erawwela East 40
20 DEHIWELA 20 Watarappala Boralesgamuwa South Mawathgama 20 20 20 Attidiya Homagama South
Neelammahara Niyandagala
HOMAGAMA 40 Galkissa
Erewwela West Niwanthidiya Katuwawala 40 Pelanwatta Mabulgoda 20 40 Siddamulla 40 Magammana Uduwana Werahera Kaliyammahara 40 20
40 Borupana Kandawala 20 Pitipana South
,000 Dulanmahara
180 Ratmalana Paligedara Brahmanagama 180,000
15
Bokundara Gorapitiya Sangarama 20
Mattegoda Watta Tumbowila Jaligoda 40 Mattegoda 20 20
Makuluduwa 20 40 40 KESDEWA Mampe North 40 Nampamunuwa Horagala
40
40 20 20 Diyagama
20 E
Kaldemulla E Telawala E
Mampe South Kirigam Pamunuwa E 20 20
20 40 E 20 20
Wewala Kudamaduwa E 40
Piliyandala 40 Angulana E
Kiriwattuduwa Mawittara E 20
Siyambalagoda
E 40
Honnantara E
20 E
Miriswatta E 20 E
20 Suwarapola
Kesbewa 20 40 Laksapatiya E 40
20
Kuduwamulla Kolamunna 20 Kiriwattuduwa 20 E MORATUWA 20 20
Rawatawatta
Kesbewa E
40
Horathuduwa Rilawala E
E Talagala North Molpe 20 E 20 Hedigama 20 Kondurawa 20 20 20 E 20 40 40
Lunawa Polgasowita Kahatuduwa 20 Moratuwa 20
Willorawatta E 40 20 60 20 E Deitara 20 40 HORANA 40 Berawawala Wetara 20 20 Batakettara 40
20 Moratumulla Halpita E
Indibedda Ambalangoda 20 Idama E
20 20 20 E 80 Undurugoda Nivungama Olaboduwa 40
20 Makandana 20 Palannoruwa 20 20 E Talagala South E E 80 E Madapatha E 40 E Moranda 20 40 Venivelkola 60 Dampe 20 E 20
20 175,000 175,000 mN PANADURAE TOTAMUNA 80,000 mE 85,000 90,000 95,000 100,000 105,000 110,000 115,000 120,000
Bathymetry: GEBCO data of 30 arc-second resolution supplemented with data from nautical charts for the inner grids. LEGEND Scale 1 : 50,000 TSUNAMI HAZARD MAP - SHEET 66 Main Road EEE Province Boundary LIMITATIONS 20 10 0 20 40 60 80 100 MAP INFORMATION As the nature of the tsunami depends on the initial seabed deformation due to the earthquake, which is poorly understood, the Minor Road EEEE District Boundary METHOD OF PREPARATION largest source of uncertainty is the input earthquake. Another significant limitation is that the resolution of the modeling is no Other Roads D.S.Div. Boundary Kilometre greater or more accurate than the bathymetric and topographic data used. The resolution of the model also constrains its µ Railway Tsunami inundation shown on the map is based on a computer model of waves generated by an event similar to the Balangoda Origin of the grid system is 200,000 metres South and 200,000 metres West of Pidurutalagala. ability to resolve some small-scale features of the onshore terrain including narrow waterways, and no warranties are made Village Name earthquake of moment magnitude 9.3 that occurred on 26th December 2004 in the Andaman-Sumatra subduction zone, which regarding the accuracy of the map nor the data from which the map was derived. LOCATION may be considered as the worst-case scenario for any part of the coastline of Sri Lanka. The model used is the Cornell Bridge / River / Stream / Canal NAGODA D.S.Div. Name Multigrid Coupled Tsunami Model (COMCOT) which solves the non-linear shallow water equations on a dynamically coupled Tsunamis are rare events, and owing to the paucity of known occurrences in the historical record, this map includes no Tsunami Hazard Map information about the probability of any tsunami affecting any area within a specific period of time. While this tsunami hazard 10 Bathymetrical Contour / Value system of nested grids using finite difference numerical schemes. KEGALLE Tank map has been compiled with the best currently available scientific information and base data, users are invited to notify 61 Published by The bathymetric and topographic data that were used in the tsunami models comprise three nested grids. The near-shore grids 59 CCCRMD/DMC of any map discrepancies. Index Contour Coastal Research and Design, with a 50 metre spatial resolution were adjusted to “Mean High Water” sea-level conditions, representing a conservative sea 60 Temple GAMPAHA 20 level for the intended use of the tsunami hazard mapping. The computed tsunami inundation is shown on the map in three DISCLAIMER Intermediate Contour/ Value Coast Conservation and Resource Management Department Kovil color-coded depth ranges: less than 0.5, 0.5–2, and greater than 2 metres, corresponding to low, medium and high levels of The Coast Conservation and Coastal Resource Management Department (CCCRMD), The Engineering Design Centre (EDC) with the assistance from the hazard, respectively. The furthest extent of the model simulated tsunami inundation was verified, where possible, by field Supplimentery Contour of the University of Peradeniya, The Disaster Management Centre (DMC), and the United Nations Development Programme NUWARA æ Church Disaster Management Centre PURPOSE OF THIS MAP (UNDP) shall not be liable under any circumstances for any direct, indirect, special, incidental or consequential damages with 66 ELIYA Hazard Levels (Low) Sri Lanka COLOMBO 67 Mosque This tsunami hazard map is intended for use in coastal evacuation planning and in public education and awareness activities 68 May 2012 only. This map, and the information presented therein, is not a legal document and should not be used for any regulatory No part of this map may be reproduced in any form without prior written permission from the publishers. www.coastal.gov.lk ^ Police Station purpose. School Hazard Levels (Medium) MAP BASE G Hospital WESTERN Topography: LIDAR digital ground model originally acquired at a horizontal resolution of 1 metre and a vertical resolution not PROVINCE 74 75 Historical Site Hazard Levels (High) more than 0.3 metre; and topographic base maps of scales 1:5,000 and 1:10,000 prepared by the Department of Survey, Sri KALUTARA 73 PROVINCE OF Lanka. SABARAGAMUWA Railway Station Cartographical Enhancement by The Survey Department of Sri Lanka