Sedimentary record of a tsunami during Roman times, Bay of Cadiz, Spain

被引:86
作者
Luque, L
Lario, J
Civis, J
Silva, PG
Zazo, C
Goy, JL
Dabrio, CJ
机构
[1] CSIC, Museo Nacl Ciencias Nat, Dept Geol, E-28006 Madrid, Spain
[2] Univ Castilla La Mancha, Fac Ciencias Medio Ambiente, Area Geodinam Externa, Toledo, Spain
[3] Univ Salamanca, Fac Ciencias, Dept Geol, E-37008 Salamanca, Spain
[4] Univ Salamanca, EU Politecn Avila, Dept Geol, E-37008 Salamanca, Spain
[5] Univ Complutense Madrid, Fac Ciencias Geol, Dept Estratig, E-28040 Madrid, Spain
关键词
tsunami deposits; grain size; palaeontology; Gulf of Cadiz; South Spain;
D O I
10.1002/jqs.711
中图分类号
P9 [自然地理学];
学科分类号
0705 ; 070501 ;
摘要
Historical data show that the Gulf of Cadiz has been exposed to destructive tsunami's during at least the past 2000 yr. The last tsunami was generated by the AD 1755 Lisbon earthquake, which affected the Atlantic coasts of Spain, Portugal and Morocco. Today, these littoral areas are intensely populated and the expected damage could be much greater. Tsunami studies are of great importance in helping to determine the recurrence interval of these events. The presence of washover fan deposits on the inland margin of the Valdelagrana Spit bar (Cadiz, Spain) indicates the occurrence of a high energy marine event ca. 2300 cal. yr BP. Historical, geomorphological, sedimentological, palaeontological and geochronological data suggest that a tsunami could have affected the area during Roman times. Copyright (C) 2002 John Wiley Sons, Ltd.
引用
收藏
页码:623 / 631
页数:9
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