Essay about Tsunami Hazards And Mitigation In Canada

Essay about Tsunami Hazards And Mitigation In Canada

Length: 1238 words (3.5 double-spaced pages)

Rating: Good Essays

Open Document

Essay Preview


Tsunamis are not very common natural disasters, but the fact that they can occur without warning makes it worth to try and find out what are the hazards associated with them. This paper will try to first define tsunamis, determine what are the hazards associated with them (especially in Canada) and give some examples of mitigation that can be used to prevent life loss during tsunamis.

What is a Tsunami?

Tsunamis are series of waves, generated by earthquakes, landslides, volcanic eruptions, explosions, or even impact of cosmic bodies, that travel across the ocean and have extremely long wavelengths. A tsunami can be created when a disturbance displaces a large water mass from its equilibrium position. In earthquake-generated tsunamis, the water column is disturbed by the uplift or subsidence of the ocean floor. Submarine landslides, which often come with large earthquakes, as well as disintegration of volcanic edifices, can also disturb the overlying water column as sediment and rock slump downslope and are redistributed across the sea floor. Similarly, a violent submarine volcanic eruption can create an impulsive force that uplifts the water column and generates a tsunami (Ruff, 2003, Yalciner, 2003). Conversely, terrestrial landslides and cosmic-body impacts disturb the water from above, as energy from falling debris is transferred to the water into which the fragments falls (Murty, 1977, Bryant, 2001, Clague et al., 2003, Yalciner, 2003).

Hazards and Risks in Canada

A popular misconception about tsunamis is that it is only one large wave. A tsunami, however, is a series of waves separated by minutes to an hour or more. The second or third wave is normally the largest. Tsunami hazards include floodin...

... middle of paper ...

...y, T. 2003. Tsunami Hazard and Risk in Canada. Natural Hazards. 28: 433-461

Hebenstreit, G. 1997. Perspectives on Tsunami Hazard Reduction : Observations, Theory, and Planning. Kluwer Academic Publisher. Boston, U.S.A.

Liverman, D., Batterson, M., Taylor, D., and Ryan, J. 2001. Geological Hazards and Disasters in Newfoundland and Labrador. Canadian Geotechnical Journal. 38 (5): 936-956

Murty, T.S. 1977. Seismic Sea Waves: Tsunamis. Dept. of Fisheries and the Environment, Fisheries and Marine Service. Ottawa, Canada

Okal, E.A. 1993. Seismology: Predicting Large Tsunamis. Nature. 361 (6414): 686-687

Ruff, L.J. 2003. Some Aspects of Energy Balance and Tsunami Generation by Earthquakes and Landslides. Pure and Applied Geophysics. 160 (10-11): 2155-2176

Yalciner. A.C. 2003. Submarine Landslides and Tsunamis. Kluwer Academic Publisher. Boston, U.S.A.

Need Writing Help?

Get feedback on grammar, clarity, concision and logic instantly.

Check your paper »

Reformulating the Hazards Mitigation Paradigm Essay

- Scholarly assessments of our nation’s capability to effectively respond to hazards suggest a paradigm shift is needed regarding the future direction of research, policy and tactics for preparing and responding to natural and human-made hazards. This paper will provide a historical overview of our nation’s emergency preparedness and response posture, examine the need to reformulate the existing hazards paradigm into a broader resiliency framework, and suggest roles and responsibilities characteristic of government and community stakeholders in the context of this broadened approach....   [tags: Emergency Management ]

Good Essays
2541 words (7.3 pages)

Hazard Mitigation Tools and Techniques: Strategies Applied in Forsyth County

- Hazard mitigation is “any action taken to reduce or eliminate the long-term risk to human life and property from natural hazards”. Natural hazards are naturally occurring events that can threaten lives and property. Examples of natural hazards include: fire, hurricanes, storm surges, high winds, tornadoes, heavy rain, waterspouts, floods, severe thunderstorms, hail storms, lightning storms, drought, heat wave, fog, Nor’easters, severe winter weather, snowstorms, blizzards, freezing rain, wind chill, and extreme cold....   [tags: Natural Hazards, Natural Disasters]

Good Essays
2265 words (6.5 pages)

Essay Tsunami : Tsunami And Tsunami

- General The word “tsunami” comes from the Japanese, in which “tsu” stands for harbor and “nami” means wave. Another name for tsunamis are seismic sea waves. A tsunami is defined as an ocean wave with long wavelengths that are produced by a landslide, volcano, or earthquake. After a tsunami is generated, the waves move very rapidly across the ocean, reaching speeds over 435 miles per hour. In open and deep waters, a tsunami may have a wavelength of 125 miles and a height around 1.5 feet making it almost impossible to recognize....   [tags: Tsunami, 2004 Indian Ocean earthquake, Volcano]

Good Essays
1017 words (2.9 pages)

Essay about The Quake Earthquake And Tsunami

- 1. INTRODUCTION 1.1 The Tohoku Earthquake and Tsunami On March, 11, 2011, a megathrust earthquake of 9.0 on the moment magnitude scale occurred at approximately 70 km away from the nation of Japan.1 This earthquake was the fourth most powerful ever recorded in Earth’s history and, among other things, resulting in approximately 400 metres of Japan’s coast subsiding 0.6 m.2 The undersea earthquake resulted in a tsunami, that had waves estimated to be up to 40 metres in height. The waves of the tsunami were able to travel approximately 10 kilometres on land, in the Sendai area.3 The tsunami affected a large area along the Pacific coast and over 20 countries issued tsunami warnings.4 The mai...   [tags: Earthquake, Plate tectonics, Tsunami]

Good Essays
1601 words (4.6 pages)

Essay about The Tsunami Earthquake And Tsunami

- The 2004 Indian Ocean earthquake and tsunami took place on December 26th, 2004 and had a magnitude of 9.15. The cause of the Sumatra Tsunami was due to the sliding of two tectonic plates. Sumatra, an island in Indonesia, is situated on the boundary of the two plates; part of Sumatra is situated on the India/Australian plate and the other part is on the Eurasian plate. The Indian/Australian plate and Eurasian plate connect on the ocean floor at the boundary, a little over 100 miles off the short of Sumatra....   [tags: 2004 Indian Ocean earthquake, Tsunami]

Good Essays
1424 words (4.1 pages)

Essay on Tsunami Of A Tsunami At One Beach

- At first, tsunami, also known as seismic sea waves, are a series of enormous waves created by an underwater disturbance such as earthquake, landslide, volcanic eruption, or meteorite. A tsunami can move hundreds of miles per hour in the open ocean and smash into land with waves as high as 100 feet or more. From the area where the tsunami originates, waves travel outward in all directions. Once the wave approaches the shore, it builds in height. The topography of the coastline and the ocean floor will influence the size of the wave....   [tags: Earthquake, Tsunami, 2004 Indian Ocean earthquake]

Good Essays
766 words (2.2 pages)

Essay on Tools for Sustainable Hazard Mitigation

- Hazard mitigation is an important plan for societies and communities to devise, that can prepare them for various types of hazards. The mitigation process involves actions that can help to reduce or eliminate the risks associated with hazards. The process can have many positives to it, and with a mitigation plan in place, states will be safer and ready for anything. With any plan, hazard mitigation has certain tools involved. The tools are Preventions, Property Protection, Public Education and Awareness, Natural Protection, Emergency Services, and Structural Projects....   [tags: Public Safety]

Good Essays
2312 words (6.6 pages)

Hazard Mitigation Essay

- The federal government's role in planning for, mitigating, responding to and recovering from natural and human-made disasters dates to the Congressional Act of 1803, which was enacted to provide relief from the aftermath of a devastating New Hampshire fire (Federal Emergency Management Agency, 2010). Later disasters in our nation’s history “reached catastrophic proportions in terms of deaths, injuries and property loss which focused government and public attention on the need to develop formal systems to respond to such events” (Waugh & Tierney, 2007, p....   [tags: Emergency Management]

Good Essays
2154 words (6.2 pages)

Hazard Mitigation Planning Essay

- Executive summary Hazard mitigation planning is an approach aimed at ascertaining ways to reduce the effects, deaths and damage to property that might result in the occurrence of a natural of man-made hazard. Hurricanes are among the costliest and the most destructive of natural disasters. Since 1995, the United States has witnessed more intense activities by hurricanes with Mobile County in Alabama experiencing hurricane Ivan and hurricane Dennis in 2004 and 2005 (Link, 2010). In 2005, Hurricane Katrina was the costliest and one of the deadliest hurricanes to have hit the United States and was rated category three in Mobile County (Marchi, 2007)....   [tags: Natural Disasters]

Good Essays
4348 words (12.4 pages)

Tsunami Essay

- Tsunamis, commonly called tidal waves by the general public, are large sea waves or surges. These waves can carry a lot of energy from one side of the globe to the other, reeking havoc where ever they make landfall, and as shown by the December 26, 2004 SE Asian event, tsunami's can claim thousands of lives and cause millions of dollars worth of damage to property. * Many people picture large, breaking waves when they hear the word tsunami. This is usually not the case, however. * Most tsunamis make landfall as little more than a gigantic surge, as if the tide just moved in way too far way too fast....   [tags: physics tsunami]

Free Essays
693 words (2 pages)