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A puzzling tsunami entered Japanese history in January 1700.
Samurai, merchants, and villagers wrote of minor flooding and
damage. Some noted having felt no earthquake; they wondered what
had set off the waves but had no way of knowing that the tsunami
was spawned during an earthquake along the coast of northwestern
North America. This orphan tsunami would not be linked to its
parent earthquake until the mid-twentieth century, through an
extraordinary series of discoveries in both North America and
Japan. The Orphan Tsunami of 1700, now in its second edition, tells
this scientific detective story through its North American and
Japanese clues. The story underpins many of today's precautions
against earthquake and tsunami hazards in the Cascadia region of
northwestern North America. The Japanese tsunami of March 2011
called attention to these hazards as a mirror image of the
transpacific waves of January 1700. Hear Brian Atwater on NPR with
Renee Montagne
http://www.npr.org/templates/story/story.php?storyId=4629401
The United States Geological Survey (USGS) is a scientific
organization created in 1879, and is part of the U.S. government.
Their scientists explore our environment and ecosystems, to
determine the natural dangers we are facing. The agency has over
10,000 employees that collect, monitor, and analyze data so that
they have a better understanding of our problems. The USGS is
dedicated to provide reliable, investigated information to enhance
and protect our quality of life. This is one of their reports.
Actions that save lives, and actions that cost lives, as recounted
by eyewitnesses to the tsunami from the largest earthquake ever
measured--the magnitude 9.5 earthquake in Chile on May 22, 1960.
The United States Geological Survey (USGS) is a scientific
organization created in 1879, and is part of the U.S. government.
Their scientists explore our environment and ecosystems, to
determine the natural dangers we are facing. The agency has over
10,000 employees that collect, monitor, and analyze data so that
they have a better understanding of our problems. The USGS is
dedicated to provide reliable, investigated information to enhance
and protect our quality of life. This is one of their circulars.
The United States Geological Survey (USGS) is a scientific
organization created in 1879, and is part of the U.S. government.
Their scientists explore our environment and ecosystems, to
determine the natural dangers we are facing. The agency has over
10,000 employees that collect, monitor, and analyze data so that
they have a better understanding of our problems. The USGS is
dedicated to provide reliable, investigated information to enhance
and protect our quality of life. This is one of their circulars.
Este folleto contiene historias veridicas que ilustran como
sobrevivir, y como no sobrevivir, a un tsunami. Esta publicacion
esta dirigida a las personas que viven, trabajan o, simplemente, se
divierten a lo largo de las costas que pueden ser afectadas por un
tsunami. Tales costas rodean la mayor parte del Oceano Pacifico
pero tambien incluyen algunas areas costeras de los Oceanos
Atlantico e Indico. Aunque mucha gente llama a los tsunamis 'olas
de marea', estos no estan relacionados a las mareas, sino son una
serie de olas, o 'tren de olas', generalmente causadas por cambios
en el nivel del fondo marino durante los terremotos. Los tsunamis
tambien pueden ser generados por la erupcion de volcanes costeros,
islas volconicas, deslizamientos submarinos e impactos de grandes
meteoritos en el mar. Como sucedio en Sumatra en el 2004, los
tsunamis pueden alcanzar alturas de 15 metros, no tan solo en la
costa sino tambien kilometros tierra adentro. Los relatos
presentados en este folleto fueron seleccionados de entrevistas
realizadas a personas que sobrevivieron al tsunami del Oceano
Pacifico de 1960.
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