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Peru Earthquake May 31, 1970. Flooding of a residential area in southeastern Chimbote where the ground settled substantially because of compaction of water- saturated sediments. 1971.
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Peru Earthquake May 31, 1970. Block of granodiorite weighing 7,000 tons that was swept along by the Huascaran debris avalanche. Photo by G.E. Ericksen, circa 1970. Pages 68-69 (lower photo), Earthquake Information Bulletin, v.12, no.2.
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Peru Earthquake May 31, 1970. Destruction of adobe houses in central Huarez. 1970. Back cover, Earthquake Information Bulletin, v.12, no.2.
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Peru Earthquake May 31, 1970. Block of granodiorite estimated to weigh about 7,000 metric tons that was transported by the Huascaran debris avalanche and deposited near the Rio Santa west of Ranrahirca. The top of the block is covered with boulders that were deposited from the debris flow after the block came to rest. This block was left exposed after the enclosing mud flowed and/or was washed away after the avalanche. The pole at the base of the block is 4 meters high. June-July 1970.
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Peru Earthquake May 31, 1970. Lower part of the Huascaran debris avalanche: Yungay, Ranrahirea, Matacoto, Cemetery Hill in Yungay, overtopped ridge between the Rio Shacsha and Yungay. The combined Yungay and Ranrahirea debris lobes cover an area of about 8 kilometers and probably contain close to 50 million meters of material. June 1970.
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A lobe of the Huascaran debris avalanche that now covers the former city of Yungay; the avalanche flowed over a 100-200 meter high ridge (arrow) between Yungay and Llanganuco Valley. Peru. 1970. Published as figure 4 in U. S. Geological Survey. Circular 639. 1970.
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Peru Earthquake May 31, 1970. Bus and truck were completely intermeshed by the Huascaran debris avalanche. Photo by G.E. Ericksen, 1970. Pages 68-69 (upper photo), Earthquake Information Bulletin, v.12, no.2.
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Peru Earthquake May 31, 1970. Nevados Huascaran and the Huascaran debris avalanche that destroyed Yungay and Ranrahira. Portion of figure 2, U.S. Geological Survey Circular 639.
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Overturned bus on top of debris avalanche at site of former Plaza de Armas, Yungay. Depth of avalanche here is about 15 feet, Peru, 1970.


    map background search result map search result map Destruction of adobe houses in central Huarez. Peru Earthquake, 1970. Destruction of adobe houses in central Huarez. Peru Earthquake, 1970.