ATC Mw7.1 Puebla–Morelos earthquake reconnaissance observations: Seismological, geotechnical, ground motions, site effects, and GIS mapping

Author:

Diaz-Fanas Guillermo1ORCID,Garini Evangelia2ORCID,Ktenidou Olga-Joan3ORCID,Gazetas George2,Vaxevanis Themis4,Lan Yun Jennifer5,Heintz Jon6,Ma Xin4,Korre Evangelia7ORCID,Valles-Mattox Rodolfo8,Stavridis Andreas9ORCID,Kim Insung10,Hernandez-Bassal Laura11ORCID,Anzola Esteban4,Berkowitz Russell12ORCID,Hussain Saif13,Jalalian Afshar14,Carrion Homero9ORCID,Dominguez Maldonado Virgilio8,Gama Contreras Andres8,Almanza Camacho Sergio R8,Bojorquez Hernandez Rene F8ORCID,Ruiz Medina Victor A8,Vallejo Martinez Fernando8,Hortacsu Ayse6,Gilsanz Ramón5ORCID,Nikolaou Sissy15

Affiliation:

1. The World Bank, Washington, DC, USA

2. National Technical University of Athens, Zografou, Athens, Greece

3. Institute of Geodynamics, National Observatory of Athens, Athens, Greece

4. WSP USA, New York, NY, USA

5. Gilsanz Murray Steficek Engineers and Architects, New York, NY, USA

6. Applied Technology Council, Redwood City, CA, USA

7. Rensselaer Polytechnic Institute, Troy, NY, USA

8. WSP Mexico, Ciudad de México, Mexico

9. University at Buffalo, Buffalo, NY, USA

10. Degenkolb Engineers, San Francisco, CA, USA

11. University of California, Davis, CA, USA

12. Forell/Elsesser Engineers Inc., San Francisco, CA, USA

13. IDS Group, Irving, CA, USA

14. Rutherford + Chekene, San Francisco, CA, USA

15. National Institute of Standards and Technology, Gaithersburg, MD, USA

Abstract

This article presents the Applied Technology Council (ATC) team’s observations following the 2017 Mw7.1 Puebla–Morelos, Mexico earthquake. The team was deployed in Mexico City to collect seismological, geotechnical, structural, and overall performance information. The focus was on non-ductile concrete structures, to support implementation of recently published FEMA P-2018 procedures and to identify study buildings for incorporation into NIST-funded ATC-134 ongoing project. This article presents seismological data with 71 strong-motion records processed and ready for use in engineering analysis, geotechnical observations, and characterization of sites visited. Analyses of the response of representative soil profiles are presented in the form of acceleration response spectra and seismic amplification at the ground surface. A comparison of the same analysis using records from the 1985 Michoacán Ms8.1 (approximately Mw8.0) earthquake is also discussed. The ATC team composed GIS maps with structural and geotechnical characteristics of the inspected sites, including color-coded damage of inspected buildings and estimated soil fundamental period to correlate observed behavior with potential soil–structure interaction resonance effects. Recommendations on further detailed studies based on this comprehensive set of case histories are proposed.

Funder

Applied Technology Council

national science foundation

Publisher

SAGE Publications

Subject

Geophysics,Geotechnical Engineering and Engineering Geology

Reference73 articles.

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