10 Jul 2020
10 Jul 2020
Status: this preprint is currently under review for the journal NHESS.

Subsoil seismic characterization through Vs30 for future structural assessment of buildings (Ciudad del Carmen, Mexico)

Leonardo Palemón-Arcos1, Carmen M. Gómez-Arredondo2, Daniel A. Damas-López2, Guillermo Chávez-Hernández2, Yuriko Gutiérrez-Can1, Marco A. Hernández-Hernández1, Edén Bojórquez3, and Francisco Barrera-Lao4 Leonardo Palemón-Arcos et al.
  • 1Departamento de Ingeniería Civil, Universidad Autónoma del Carmen, Cd. del Carmen, Campeche 24180, México
  • 2División Académica de Ciencias Básicas Unidad Chontalpa. Universidad Juárez Autónoma de Tabasco. Cunduacán, Tabasco 86690, México
  • 3Facultad de Ingeniería, Universidad Autónomade Sinaloa, Calzada de las Américasy B. Universitarios s/n, C.P. 80040, Culiacán, Sinaloa, México
  • 4Universidad Autónoma de Campeche. Facultad de Ingeniería y Contaduría. Campeche. México

Abstract. Although the seismic information from the subsoil is very important, in some areas of the world this is not available due to various factors, the main one being a seismically low area. It is important to say that the planet has been changing and many intraplate earthquakes have occurred in places never expected, spreading seismic waves to places where they were considered low seismicity. For example, on September 8, 2017 in Ciudad del Carmen, 500 km from the epicenter, the earthquake was felt causing damage to the facades of the buildings. Therefore, it is important to have the subsoil shear-waves velocities to subsequently generate a good analysis and structural seismic design. For this reason, in this study under the seismic approach an assessment of Ciudad del Carmen Campeche subsoil is presented. Active and passive Multichannel Analysis of Surface Waves and Refraction Microtremor technique to investigate seismically subsoil characteristics have been employed. Shear wave velocities were obtained up to a depth of 30 m with magnitudes of 172.45 m/s to 353.90 m/s. Based on the Vs30 values, the subsoil is seismically classified into D and E according to the criterion of the National Earthquake Hazards Reduction Program and International Building Code, turning out to be very vulnerable to high damage during the earthquake shaking. Furthermore, Ciudad del Carmen was regionalized into three types, where type I being a dense soil or averagely soft rock with Vs30 greater than 360 m/s, type II when the soil has an intermediate dynamic amplifications with Vs30 between 180 to 360 m/s, and type III correspond to a soil with large dynamic amplifications and Vs30 less than 180 m/s.

Leonardo Palemón-Arcos et al.

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Leonardo Palemón-Arcos et al.

Leonardo Palemón-Arcos et al.


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Short summary
Planet Earth has tectonic plates, which are pieces of Earth's rocky outer shell known as the crust, which are responsible for movements of the subsoil. Due to the discontinuity in the Earth's surface, energy is transferred and will be transferred in current and future projects. For this reason, in this study under the seismic approach an assessment of Ciudad del Carmen Campeche subsoil is presented, regionalizing the subsoil into three types according to shear wave velocities obtained.