Tsunami Awareness Package

General Tsunami Resources

Tsunami Mitigation Tactics


While tsunamis can not be prevented, or perhaps their harmful effects totally avoided, actions can be taken up mitigate the hazards of this risk, thereby lowering the affects on lifestyle, physical buildings and livelihoods. The first step in excuse the tsunami hazard and reducing vulnerability is to gain an understanding in the threat and potential effects should a tsunami arise. Some of the more direct physical effects of tsunami include: • Loss of your life; • Injury to, or damage of structures, boats, critical facilities and coastal system; • Loss of coastline; and • Excessive scattered dust. Less direct effects, and others with occasionally long-term effects, can include: • Contamination of coastal soil; • Reduced domestic water supply due to contaminants of shallow wells and aquifers (with salt normal water and other harmful substances); • Disease breakouts; • Disruption of business and economic processes; and Disruption of education and social companies. • It can take many years intended for communities to recuperate from the effects of tsunamis, restore homes and physical infrastructure, and get back economic steadiness. Oftentimes unfortunate occurances and subsequent recovery operations reveal complex inter-relationships and dependencies. For example , seawater over inland areas due to a tsunami improves salinity of soils and can render terrain unsuitable pertaining to cultivation. In the event that arable area is lowered, food supply is definitely diminished and farmers must seek other employment, which will dramatically affects their livelihoods. Tsunami hazards can be mitigated through most of the same activities that minimize the effects of different coastal hazards such as flooding, storm spike and substantial surf. By no means an thorough list of almost all possible mitigation strategies, all those outlined in this article serve as a starting point for concern. Additionally , for the reason that Tsunami Consciousness Kit was created specifically for the Pacific Island destinations, this record presents several strategies exclusive to the island environments.

Prepared by the

Pacific cycles Disaster Center. 2005.


Tsunami Consciousness Kit

Standard Tsunami Resources • • • • • Area use management to minimize creation in areas of potential tsunami inundation. Maintenance of organic barriers or perhaps dunes along coastlines. Institution of design standards, building codes, or rules for construction of complexes within seaside areas. Increased public understanding and education about tsunami risks, warning signs and preparedness actions. Advancement a warning system to alert individuals to evacuate to raised ground or upper testimonies of sturdily built structures.

Strategy you: Land Work with Management

Building Placement The late seismologist, Ian Everingham conducted considerable research and wrote several publications relating to earthquake and tsunami trends and their effects in the Pacific cycles Islands. Relating to building placement, he implies: • An easy precaution against damage via most tsunamis is for most buildings being placed 2 - 3 metres over a high wave level (Everingham, 1976). Particular precautions should be made for buildings supplying essential services, however , as is viewed by the $300, 000 harm caused into a government marketing communications station in Torokima, within the west coastline of Bougainville by a 2 metre tsunami following a magnitude 7. six earthquake in the east Solomon Sea in 20 Come july 1st, 1975 (Everingham, et approach, 1977).

The International Tsunami Survey Team (ITST) implemented after the 1998 Aitape, Papua New Guinea tsunami advised the following land use concerns: • • Residents must not be relocated in locales fronted by normal water and supported by rivers or lagoons; and Schools, churches, and other critical facilities should never be located closer than 400m from the shoreline, and if possible 800m in at-risk areas.

Strategy 2: Planting and Environmental Upkeep

Preserve Sand hills And Other Organic Barriers Teacher Hugh...

References: Davies, Hugh. Tsunami PNG 1998 – Extracts from Earth Speak. University of Papua New Guinea. Dock Moresby, (revised 1999).

Everingham, Ian N. Preliminary List of Tsunamis for the New Guinea/Solomon Islands Region, 1768-1972. Australia Bureau of Nutrient Resources Survey 180 (1977).

Everingham, Ian B. Tsunamis in Papua New Guinea. Science in New Guinea (1976).

Nationwide Tsunami Risk Mitigation Software report: Designing for Tsunamis. (2001).

Pacheco, K., Robertson, I., and Yeh, H. Engineering Structural Response to Tsunami Loading: The explanation for Straight Evacuation. University or college of Hawaii at Manoa. Oregon Express University. March, 2005.

Ripper, I. Deb. Seismicity and Tsunami Warning in Papua New Guinea. Department of Minerals and Energy, Geological Survey of Papua Fresh Guinea Record 79/19 (1980).

Prepared by the

Pacific Tragedy Center. 2006.


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