Record of a Roman Earthquake (2nd Century AD) in the Guadalentín Depression (Murcia, SE Spain)Micromorphological analysis of liquefaction

  1. P.G. Silva 1
  2. Elvira Roquero 2
  3. M.A. Rodríguez-Pascua 3
  4. P. Huerta 1
  5. Teresa Bardají 4
  6. J.L. Giner 5
  7. M.A. Perucha 3
  8. J. Elez 1
  1. 1 Universidad de Salamanca
    info
    Universidad de Salamanca

    Salamanca, España

    ROR https://ror.org/02f40zc51

    Geographic location of the organization Universidad de Salamanca
  2. 2 Universidad Politécnica de Madrid
    info
    Universidad Politécnica de Madrid

    Madrid, España

    ROR https://ror.org/03n6nwv02

    Geographic location of the organization Universidad Politécnica de Madrid
  3. 3 Instituto Geológico y Minero de España
    info
    Instituto Geológico y Minero de España

    Madrid, España

    ROR https://ror.org/04cadha73

    Geographic location of the organization Instituto Geológico y Minero de España
  4. 4 Universidad de Alcalá
    info
    Universidad de Alcalá

    Alcalá de Henares, España

    ROR https://ror.org/04pmn0e78

    Geographic location of the organization Universidad de Alcalá
  5. 5 Universidad Autónoma de Madrid
    info
    Universidad Autónoma de Madrid

    Madrid, España

    ROR https://ror.org/01cby8j38

    Geographic location of the organization Universidad Autónoma de Madrid
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Journal:
Geotemas (Madrid)

ISSN: 1576-5172

Year of publication: 2016

Issue Title: IX CONGRESO GEOLÓGICO DE ESPAÑA

Issue: 16

Pages: 391-394

Type: Article

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Abstract

This study present sedimentological and micromorphological evidence on the occurrence of an ancient seismic event of Roman age (2nd Century AD) in the ancient palustrine environments of the Guadalentín Depression (Murcia). Sedimentological (outcrop-scale ), textural and micromorphological (thin-section) analyses evidence clear signals of liquefactions, such as the development of convolute lamination, injection dikes and boudinage levels on sandy -silt materials at both meso and micro-scale. The study shows the capability of this kind of analyses in the iden tification of paleoseismic events with size ≤ 5.0 Mw on the sensitivity threshold (VI-VII) of the ESI07 Intensity Scale.

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