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Contemporary natural disasters such as Hurricane Katrina are quickly followed by disagreements about whether and how communities should be rebuilt, whether political leaders represent the community’s best interests, and whether the devastation could have been prevented. Shaky Colonialism demonstrates that many of the same issues animated the aftermath of disasters more than 250 years ago. On October 28, 1746, a massive earthquake ravaged Lima, a bustling city of 50,000, capital of the Peruvian Viceroyalty, and the heart of Spain’s territories in South America. Half an hour later, a tsunami destroyed the nearby port of Callao. The earthquake-tsunami demolished churches and major buildings, damaged food and water supplies, and suspended normal social codes, throwing people of different social classes together and prompting widespread chaos. In Shaky Colonialism, Charles F. Walker examines reactions to the catastrophe, the Viceroy’s plans to rebuild the city, and the opposition he encountered from the Church, the Spanish Crown, and Lima’s multiracial population. Through his ambitious rebuilding plan, the Viceroy sought to assert the power of the colonial state over the Church, the upper classes, and other groups. Agreeing with most inhabitants of the fervently Catholic city that the earthquake-tsunami was a manifestation of God’s wrath for Lima’s decadent ways, he hoped to reign in the city’s baroque excesses and to tame the city’s notoriously independent women. To his great surprise, almost everyone objected to his plan, sparking widespread debate about political power and urbanism. Illuminating the shaky foundations of Spanish control in Lima, Walker describes the latent conflicts—about class, race, gender, religion, and the very definition of an ordered society—brought to the fore by the earthquake-tsunami of 1746.
The Fourteenth International Tsunami Symposium held from 31 July to 3 August 1989 in Novosibirsk, U.S.S.R., was sponsored by the International Union of Geodesy and Geophysics. Sixty-five scientists from 13 countries met to exchange information on recent advances in tsunami research. The Symposium was a great success due to the enthusiasm of the participants, the quality of research presented, and the great organization provided by the Soviet hosts. Teams of dedicated workers, under the fine leadership of Academician A. S. Alexseev and Dr V. K. Gusiakov, blended social and scientific activities in a memorable fashion. The 62 presentations of the Symposium were divided into six areas of research: generation (7), propagation (12), coastal effects (10), observations (11), seismics and tectonics (10), and hazard mitigation (12). A summary of the research presented appears as the first article in this special issue. Following the Symposium, a team of session chairmen nominated 20 of these oral presentations to be published in a special issue devoted to the International Tsunami Symposium.
The words and photographs of people who have witnessed tsunamis, along with the science, history, and protection efforts surrounding this watery disaster.
This Special Publication examines tsunami hazard and risk, with particular focus on using the geological record. With Earth’s growing population clustered increasingly on coastlines, tsunami hazards are of concern worldwide. The papers explore the sedimentological and dynamic traces of recent and prehistoric tsunamis globally – from Europe to the Pacific – as well as looking at historic records and how the information can be used to characterise the scale of impacts and areas that are most susceptible to tsunami hazards. Armed with this information, scientists can begin to quantify risks, both to populations and in economic terms. This volume is aimed both at scientists working in this field and at a wider community, interested in tsunami science and natural hazard assessment.
Comprehensively describes the nature and process of tsunami, for students and researchers, and general public.
Tsunamis are primarily caused by earthquakes. Under favourable geological conditions, when a large earthquake occurs below the sea bed and the resultant rupture causes a vertical displacement of the ocean bed, the entire column of water above it is displaced, causing a tsunami. In the ocean, tsunamis do not reach great heights but can travel at velocities of up to 1000 km/hour. As a tsunami reaches shallow sea depths, there is a decrease in its velocity and an increase in its height. Tsunamis are known to have reached heights of several tens of meters and inundate several kilometres inland from the shore. Tsunamis can also be caused by displacement of substantial amounts of water by landslides, volcanic eruptions, glacier calving and rarely by meteorite impacts and nuclear tests in the ocean. In this SpringerBrief, the causes of tsunamis, their intensity and magnitude scales, global distribution and a list of major tsunamis are provided. The three great tsunamis of 1755, 2004 and 2011are presented in detail. The 1755 tsunami caused by the Lisbon earthquake, now estimated to range from Mw 8.5 to 9.0, was the most damaging tsunami ever in the Atlantic ocean. It claimed an estimated 100,000 human lives and caused wide-spread damage. The 2004 Sumatra Andaman Mw 9.1 earthquake and the resultant tsunami were the deadliest ever to hit the globe, claiming over 230,000 human lives and causing wide-spread financial losses in several south and south-east Asian countries. The 2011 Mw 9.0 Tohoku-Oki earthquake and the resultant tsunami were a surprise to the seismologists in Japan and around the globe. The height of the tsunami far exceeded the estimated heights. It claimed about 20,000 human lives. The tsunami also caused nuclear accidents. This earthquake has given rise to a global debate on how to estimate the maximum size of an earthquake in a given region and the safety of nuclear power plants in coastal regions. This Brief also includes a description of key components of tsunami warning centres, progress in deploying tsunami watch and warning facilities globally, tsunami advisories and their communication, and the way forward.