1 Hazard and Vulnerability Assessment Report - Thiruvananthapuram City This report was prepared with co-funding of the ‘Govt. of India (GoI), United Nations Development Programme (UNDP) and USAID Climate Risk Management Project in Urban Areas through Disaster Preparedness and Mitigation’ which is a sub- component of the ‘GoI-UNDP Project on Enhancing Institutional and Community Resilience to Disasters and Climate Change” (2013 –2017)". 2 Hazard and Vulnerability Assessment Report – Thiruvananthapuram City Copyright © Kerala State Emergency Operations Centre First edition 2015 Government of Kerala Department of Disaster Management Kerala State Disaster Management Authority (KSDMA) Kerala State Emergency Operations Centre (SEOC) ILDM, PTP Nagar, Thiruvananthapuram – 695038 Email: [email protected]. Tele/Fax: 0471-2364424. Web: disasterlesskerala.org DISCLAIMER This publication has been prepared by the authors mentioned below with data sourced from authentic sources. This is for reference and planning purpose for Thiruvananthapuram City Corporation. The State Emergency Operations Centre, Kerala State Disaster Management Authority or the Government of Kerala will not be liable for any actions initiated based on this document. All efforts were taken to source reliable and authentic data and interpret it logically and scientifically without any bias. CONTRIBUTORS Principal Author & Analyst : Mrs. Parvathy S Mr. Siju Thankappan, Ms. Mary Midhula Maxy, Ms. Ninu Krishnan M.V, Ms. Analysts : Vrinthanath M.C, Mr. Sunil K. Babu, Mr. Pradeep G.S, Mrs. Sruthi Ravindran Reviewers : UNDP, India Team and Ms. Amruta Thampi Rajan Coordination, drafting, layout : Mr. Sunil K. Babu and collage Editor : Dr. Sekhar L. Kuriakose Cover photo © : Prof. Dr. T. Neelakantan. Email: [email protected] 3 CONTENTS 1. Introduction ............................................................................................................................................................................................................................................................................................................... 10 1.1. Hazard, Vulnerability and Risk Assessment ................................................................................................................................................................................................................................ 10 2. Overview & History of Thiruvananthapuram City ............................................................................................................................................................................................................................ 13 2.1. Topography ..................................................................................................................................................................................................................................................................................................... 13 2.2. Geology ............................................................................................................................................................................................................................................................................................................. 14 2.3. Soil ....................................................................................................................................................................................................................................................................................................................... 14 2.4. Natural Drainage Network ..................................................................................................................................................................................................................................................................... 14 2.4.1. Backwaters ......................................................................................................................................................................................................................................................................................... 14 2.4.2 Rivers...................................................................................................................................................................................................................................................................................................... 14 2.5 Transportation Network ........................................................................................................................................................................................................................................................................... 14 2.5.1 Road......................................................................................................................................................................................................................................................................................................... 14 2.5.2 Railways................................................................................................................................................................................................................................................................................................ 14 2.6 Major Landmark Buildings .................................................................................................................................................................................................................................................................... 15 3. Climate ........................................................................................................................................................................................................................................................................................................................ 23 3.1. Rainfall .............................................................................................................................................................................................................................................................................................................. 23 3.2 Temperature .................................................................................................................................................................................................................................................................................................... 23 3.3 Humidity ........................................................................................................................................................................................................................................................................................................... 24 3.4 Wind .................................................................................................................................................................................................................................................................................................................... 25 4. Socio-economic Profile ...................................................................................................................................................................................................................................................................................... 26 4.1 Ward with Maximum population Vs. Total population ........................................................................................................................................................................................................ 26 4.2 Male-Female Ratio ..................................................................................................................................................................................................................................................................................... 27 4.3 Children under age group 0-6............................................................................................................................................................................................................................................................... 27 4.4 Depressed Classes vs. Total population ......................................................................................................................................................................................................................................... 27 4.5 Literates vs. Illiterates ............................................................................................................................................................................................................................................................................... 28 4.6 Main, Marginal and Non workers ...................................................................................................................................................................................................................................................... 28 5 Hazard foot prints .................................................................................................................................................................................................................................................................................................