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Earthquake
At approximately 15:33 local time on June
23, 2001, southern Peru was rocked by a massive earthquake of
moment magnitude between 8.3 to 8.4, making this event the largest
earthquake world-wide in possibly 35 years. The quake,
centered near the
Peruvian coastal city of Ocoña (just north of Camana in
figure aoove), generated strong shaking across all of southern
Peru and northern Chile. Many cities and towns in the region
sustained heavy damage, especially the Peruvian towns of Moquegua,
Punta de Bombon, and the mountain city of Arequipa. In addition,
the earthquake and resulting rockslides badly damaged several
stretches of the Pan-American Highway, a route vital to the economy
of southern Peru.
Tsunami
The earthquake also generated a tsunami,
which struck the Peruvian coast, and was observed on tide gauges across the Pacific Ocean. In
Peru, damage from the tsunami was, fortunately, limited to the
south central portion of coastline stretching from the town of
Atico in the north, to Matarani in the south. The area
surrounding the city of Camana, located directly in the center
of the affected coastline, was hit hardest by the waves. Here,
maximum runup measuremnents exceeded 7 meters in some
locations, with greater than one kilometer of inundation
distance in others. The powerful surges destroyed hundreds of
homes, hotels and restaurants in La Punta, a popular resort
area located along a narrow strip of beach imediately south of
Camana. Thankfully, the tsunami occured during the southern
hemisphere winter, when the beach front communities were
largely deserted. Approximately 26 people area known to have
perished as a result of the tsunami, with roughly 70 still
missing. Though tragic however, this death toll is still
fairly light, considering the location. Had the tsunami
struck during the peak of the summer tourist season, the loss
of life would have been far worse.
Eyewitness accounts of the event vary somewhat
in terms of the number of tsunami waves, and as to which was
the largest. According to eyewitnesses, the tsunami consisted
of between three and five seperate surges, with either the second
or third as the largest. Accounts from Camana, believed to be
the most reliable, describe four surges, the largest of which
was the third.
Purpose
On July 5, 2001, a nine scientists nine
scientists from the International Tsunami Survey Team (ITST)
traveled from the United States and Mexico to Peru to survey
the area affected by the tsunami. The ITST worked closely with
Peruvian scientists from the Direccion de Hidrografia y Navegacion
of the Peruvian Navy. Without the support of the Peruvians, the
trip would not have been as successful. During the field survey,
members of the team examined tsunami damage, measured runup and
inundation, and interviewed eyewitnesses to the event. This web
page shows some photos from the trip and the afflicted areas.
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