Tsunami mitigation and management authorstream presentation. Some english speakers alter the words initial ts to an s by dropping the t, since english does not natively permit ts at the beginning of words, though the original. Tsunami retain their energy, meaning they can travel across entire oceans with limited energy loss. Here explanation about causes and effects of tsunami. Pdf risk and vulnerability assessment is an important component of an effective endtoend tsunami early warning system and therefore. Tsunamis are often caused by earthquakes as was demonstrated by the earthquake and subsequent tsunami in japan in march 2011.
Prepare for a tsunami understand the dangers and what you can do before a disaster. A tidal wave is a term used in common folklore to mean the same thing as a tsunami, but is not the same thing. Tsunami warning and preparedness the national academies press. Causes, consequences, prediction, and response boris w. Use tv, radio andor the internet to obtain accurate information. Large rocks weighing several tons, along with boats and other debris, can. The word tsunami is a japanese word meaning harbor wave, but in modern usage, it refers to an ocean wave caused by water displacement, as compared to a normal ocean wave, which is caused by winds or normal gravitation influence of the sun and moon. A tidal wave is a term used in common folklore to mean the same thing as a tsunami. The master plan on tsunami disaster prevention and mitigation 200920 and the strategic national action plan snap on disaster risk reduction 20102019, written by the department of disaster prevention and mitigation ddpm, ministry of interior, have been implemented so. Rinse immediately with plenty of water, also under the eyelids, for at. Tsunami mitigation and prevention university of washington. Tidal waves are regular ocean waves, and are caused by the tides. Latest tsunami messages noaa prepare for a tsunami.
Tsunami preparedness tsunami safety tips red cross. Protection and preservation of life including the lives of responders and. Tsunami also means harbor wave in japanese and is commonly referred to as a tidal wave. Warning systems and prevention techniques of tsunamis essay sample. Tsunamis are series of ocean waves caused by underwater seismic activity or volcanic activity. If you are in a tsunami hazard zone and receive a natural warning, a tsunami could arrive within minutes. Tsunamis travel approximately at a velocity of 700 kmph in 4000 m depth of sea water. Do not wait for an official warning or instructions from officials. Specific site planning strategies to reduce tsunami risk. Preparing your community for tsunamis this guidebook is designed to help you prepare your coastal community for tsunamis. Often a tsunami wave warns of its arrival with roaring and rumbling from the ocean, but. D chandrasekharam department of earth sciences head, centre of studies in resources engineering indian institute of technology bombay such news items raises several questions like what are earthquakes.
Prevention depends on scale, a number of the cities hit by the recent tsunami did have barrier walls and banks to help stop moderate waves up to a certain level 5m. Wave dynamics ts energy flux based on wave speed and height ts speed diminishes in shallow water but height grows up in open sea wavelength very large with low amplitude closer to shore it is reverse kinetic energy of waves transformed in potential energy near the shore velocity can reach. A tsunami watch means a dangerous tsunami has not yet been verified but could exist and may be as little as an hour away. Natural disasters produce odd combinations of pathogens and unexpected ways for the body to be damaged that lead to unexpected clinical circumstances. Travel 2030 miles per hour with waves 10100 feet high. Unesco eolss sample chapters natural disasters vol. Geological survey usgs, and the 2004 indian ocean earthquake and tsunami research group coordinated at the disaster prevention research institute dpri in japan for factual information on the disaster and. A tsunami can strike violently and with little warning.
Therefore, in the preearthquake phase, preparedness, mitigation and prevention are concepts to work on. A pdf guide to earthquake and tsunami hazards is also available. Tsunami safety tips, preparation, and survival facts and. Strategic mitigation and prevention of the tsunami risk may involve. Individuals can take steps to be prepared for a tsunami, and warning systems can help get people out of harms way if an impending tsunami is predicted. A tsunami is a series of waves in the ocean that can cause great destruction. If youre in a tsunami area and there is an earthquake, first drop to the floor, cover your head and neck, and hold on to something stable. But dont fear the worst while there has been an increase in subsidence claims in recent years, most buildings suffer minor cracking at some time so it doesn. Disease prevention and control after tsunami attack in thailand supamit chunsuttiwat ddc moph phuket, thailand 46 may 2005. A watchissued along with a tsunami warningpredicts additional tsunami arrival times for a geographic area defined by the distance the tsunami.
Public awareness and public education for disaster risk. Tsunami protection measures in the past relied mainly on structural measures such as seawalls designed to guard against a tsunami of an expected magnitude, and there was even no policy for dealing with a tsunami of a greater magnitude. Several countries all around the world are being affected by this type of natural disaster and even though usually small tsunamis do not cause much damage, the giant waves are a threat. The guide contains links to totle earthquake ad tsunami hazards teaching resources and a table of contents of teaching resources on. Tsunami is a series of water waves caused by thedisplacement of a. This guide outlines the construction and maintenance of defensive struc tures and discusses how current disaster prevention. The thai government officially announced the december 26 of every year to be national disaster prevention day in order to warn the public and remember the devastating 2004 tsunami. Pdf disaster management and mitigation for earthquakes. In the wake of the 2004 indian ocean tsunami, congress passed legislation. The source of the plant is known that 90% of the tsunami is caused by tectonic earthquake activity, 9% due to volcanic activity and 1% by soil landslides that occurring in water such as in the lakes or in the ocean or landslides that came from land which is enters to the ocean.
This program was established in 1992 and is designed to reduce the impact of tsunamis through. Disease prevention and control after tsunami attack in. These waves are caused by the interaction of the pull of the moons gravity on the earth. This goes beyond preparing yourself and your loved ones. Pdf purpose following the 26 december 2004 tsunami, planet risk ngo took part in the international research program tsunarisk and atipcnrs. From tsunami risk assessment to disaster risk reduction the case of. Each time the earth shakes, drop, cover, and hold on. Levin encyclopedia of life support systems eolss continues to be its strict teacher.
Protection and mitigation from risk of tsunami nidm. Tsunamis, also known as seismic sea waves, are a series of enormous waves created by an underwater disturbance such as an earthquake, landslide, volcanic eruption, or meteorite. Results are presented in the form of tsunami hazard maps showing the expected tsunami height at the coast for a given return period 100, 500 and 2500 years, and also as tsunami probability maps. These earthquakes, as evidenced by several past events, may trigger a tsunami event. A tsunami is a series of ocean waves with very long wavelengths typically hundreds of kilometres caused by largescale disturbances of the ocean.
Recover from a tsunami recognize possible environmental hazards and what you can do to protect your safety, and for commercial buildings and schools. Are the measures that ensure the organized mobilization of personnel, funds, equipments, and supplies within a safe environment for effective relief. For the plural, one can either follow ordinary english practice and add an s, or use an invariable plural as in the japanese. A warning system that monitors the pacific basin for activity that can set off a tsunami is already in place, according. Tsunami velocity is dependent on the depth of water through which it travels velocity equals the square root of water depth h times the gravitational acceleration g, that is v vg h. Postdisaster, immediate rescue and relief measures. Tsunami waves typically do not curl and break, so do not try to surf a tsunami. Reduction systems, disaster prevention research institute, kyoto university. A short history of tsunami research and countermeasures in. In 1997, a guidance on reinforcement of tsunami disaster prevention countermeasures in local disaster prevention planning was agreed by national land agency and other six government offices concerned tsunami disaster prevention planning. Disposing of liquid waste from autopsies in tsunamiaffected areas pdf 9 kb management of dead bodies in disaster situations external icon from the pan american health organization paho disease information. Subsidence dealing with the problem introduction it is the sight every homeowner dreads cracks appearing in the walls of their home. Remain on alert until the warning is cancelled, as tsunamis may strike repeatedly.
The challenges of tsunami disaster response planning and. Pdf assessment and prevention of tsunami risk in indonesia. Tsunami waves triggered by seismic activity can travel across the pacific ocean at up to 500 miles per hour, striking distant coastal areas in a matter of hours. National disaster management division ministry of home. Oman is located in an area of high seismicity, facing the makran subduction zone, which is the major source of earthquakes in the eastern border of the arabian plate.
The term tsunami is a borrowing from the japanese tsunami, meaning harbour wave. Earthquake and tsunami hazards powerpoint presentations. Warning systems and prevention techniques of tsunamis. Forests, ditches, slopes, or berms can slow down waves and filter out debris. The figure shows the estimated number of hours for tsunamigenerated waves to travel across the pacific ocean from alaska and chile, respectively. Site buildings or infrastructure away from hazard area or locate on a high point.
Disaster prevention refers to measures taken to eliminate the rootcauses that make people vulnerable to disaster. Undersea earthquakes, volcanic eruptions, landslides or even underwater explosions can displace water to create a wave or series of. The success of this method depends on correctly estimating the force of the tsunami. Designing for tsunamisseven principles for planning and. Tsunami hazard mitigation activities in california. Aiming to ensure the timely, effective and coordinated response by the national government and its resources, the ndrp is the national governments strategic action for providing response assistance to manage earthquake and tsunami related incidents. This guide is an outline of the earthquake and tsunami hazards topic. This act was followed in 2006 by the tsunami warning and education act p. After the tsunami, people had soft tissue injuries from being forced into objects, so they could have gotten burkholderia from wounds or aspiration. First aid measures product as sold in case of eye contact.
Preventive and mitigation measures when earthquake strikes a building is thrown mostly from side to side, and also up. Chapter 2 what to do or not to do under risk from tsunami. Sometimes a tsunami initially causes the water near shore to recede, exposing the ocean floor. A tsunami can kill or injure people and damage or destroy buildings and infrastructure as waves come in and go out. The deeper the water, the greater the speed of tsunami waves will be. Pdf tsunami prevention and mitigation necessities and options. Listen for official warnings, but also listen and watch for natural signs. A tsunami is a series of enormous ocean waves caused by earthquakes, underwater landslides, volcanic eruptions, or asteroids. September 2018 nsw state tsunami plan page 4 goals 1. Cause flooding and disrupt transportation, power, communications, and the water supply. If youre in a lowlying area, move inland as soon as possible. Tsunami disaster prevention and the roles of media in.