Preprints
https://doi.org/10.5194/nhess-2022-49
https://doi.org/10.5194/nhess-2022-49
 
24 Feb 2022
24 Feb 2022
Status: this preprint is currently under review for the journal NHESS.

Brief communication: The crucial assessment of possible significant vertical movements preceding the 28 December 1908, M=7.1, Messina Straits earthquake

Nicola Alessandro Pino Nicola Alessandro Pino
  • Istituto Nazionale di Geofisica e Vulcanologia, Osservatorio Vesuviano, via Diocleziano 328, Napoli, 80124, Italia

Abstract. The 28 December 1908 Messina Straits earthquake represents one of the worst seismic catastrophes in whole world history. In spite of the relatively large and various amount of data available and of the geophysical investigations accomplished in the Straits, the seismogenic structure is still elusive and intensely debated. Some models proposed for the causative fault rely considerably on the hypothesis of significant subsidence preceding the event. By driving results that differ critically from previously debated models, this assumption would have crucial repercussions on the seismic hazard assessment in the area. However, the critical analysis of this assumption in the light of the available data allows the rejection of this possibility.

Nicola Alessandro Pino

Status: open (extended)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on nhess-2022-49', Anonymous Referee #1, 31 Mar 2022 reply
    • AC1: 'Reply on RC1', Nicola A Pino, 31 Mar 2022 reply
      • RC2: 'Reply on AC1', Anonymous Referee #1, 31 Mar 2022 reply
        • CC1: 'Reply on RC2', Barreca Giovanni, 14 Apr 2022 reply

Nicola Alessandro Pino

Nicola Alessandro Pino

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Short summary
The 1908 Messina Straits earthquake is one of the most severe seismic catastrophies in human history and is periodically back in the public discussion because of a project of a bridge accross the Straits. Some models proposed for the fault assume precursory subsidence preceding the quake and result in a structure significantly different from the previously debated ones and imply important hazard implications. The analysis of the historical sea level data allow the rejection of this hypothesis.
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