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Seismic Regulations for Ecuador


Overview

This page describes the seismic regulations that have been introduced in Ecuador since 1951, along with the seismic zonation maps associated with each code, and our estimated fraction of the building stock designed according to the different code levels. If you find incorrect or missing information on this page, please provide your feedback using the form linked at the bottom.


Current Seismic Design Regulation

The current seismic design regulation in Ecuador is NEC-2015, formalized by Ministerial Agreements No. 0028 (August 19, 2014) and No. 0047 (December 15, 2014). The latest updates reported by the MIDUVI (Ministerio de Desarrollo Urbano y Vivienda) include guidelines for Guadua Structures, issued by Ministerial Agreement No. 033-16 on August 26, 2016. The standard is available in Spanish and is freely accessible.


Evolution of design regulations and seismic zonations

Category

Code

Year of introduction

Enforcement

Seismic zonation

Low code

CNC-1951

1951

D

-

Moderate code

CEC-1977

1977

C

-

High Code

CEC-2001

2001

B

Download

High Code

NEC-2015

2015

B

Download

 Description of each regulation, including a link to access the document if available:

  • CNC-1951: Código de Construcciones de 1951

  • CEC-1977: Guía Popular de Construcción Sismo Resistente de 1977

  • CEC-2001: Código Ecuatoriano de la Construcción, Requisitos Generales de Diseño de 2001

  • NEC-2015: Norma Ecuatoriana de la Construcción de 2015


 
Estimated fractions by code level for the country

 
Estimated fractions by code level per region

 

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