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Seismic hazard

Seismic hazard in Bogotá D. C.

Aa, Av, Ae and Ad under the NSR-10.

Photo: Sven Mieke / Unsplash

Bogotá D. C. is in the intermediate seismic hazard zone, with Aa = 0.15 and Av = 0.20, according to Appendix A-4 of the NSR-10. Its Ae and Ad values are 0.13 and 0.06.

Municipalities
1
Capital
Bogotá D. C.
Aa / Av of the capital
0.15 / 0.20
High hazard
0
Intermediate hazard
1
Low hazard
0

Values

Values from Appendix A-4 of the NSR-10. Tap a municipality to open its design spectrum.

Source: NSR-10, Title A, Appendix A-4. Zone according to A.2.3.
MunicipalityCodeAaAvZoneAeAd
Bogotá D. C.110010.150.20Intermediate0.130.06

What does it mean for design in Bogotá D. C.?

In reinforced concrete, the intermediate hazard zone no longer allows minimum dissipation (DMI): the structure is designed with moderate (DMO) or special (DES) energy dissipation capacity, with more reinforcement detailing requirements.

The municipality's value is only the starting point: the soil profile sets the coefficients Fa and Fv, and the occupancy group sets the importance factor. Work out the full spectrum with the NSR-10 design spectrum, or look up another municipality in the seismic hazard tool.

What the code requires in Bogotá, with each city's soil and environment, is on its structural engineering page.

Frequently asked questions

What seismic hazard zone is Bogotá D. C. in?

In the intermediate seismic hazard zone: Aa = 0.15 and Av = 0.20, according to Appendix A-4 of the NSR-10.

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