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Seismic hazard

Seismic hazard in Bolívar

Aa, Av, Ae and Ad for its 45 municipalities under the NSR-10.

Photo: Amsterdam City Archives / Unsplash

According to Appendix A-4 of the NSR-10, of the 45 municipalities of Bolívar, 23 in the intermediate hazard zone and 22 in the low hazard zone. The capital, Cartagena, has Aa = 0.10 and Av = 0.10, low hazard. Across the department, Aa ranges from 0.10 to 0.15 and Av from 0.10 to 0.15.

Municipalities
45
Capital
Cartagena
Aa / Av of the capital
0.10 / 0.10
High hazard
0
Intermediate hazard
23
Low hazard
22

Municipalities of Bolívar

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
Cartagena130010.100.10Low0.050.03
Achí130060.150.15Intermediate0.070.04
Altos del Rosario130300.150.15Intermediate0.060.03
Arenal130420.150.15Intermediate0.050.04
Arjona130520.100.10Low0.050.03
Arroyohondo130620.100.10Low0.070.04
Barranco de Loba130740.150.15Intermediate0.050.03
Calamar131400.100.10Low0.080.04
Cantagallo131600.150.15Intermediate0.080.04
Cicuco131880.100.15Intermediate0.040.03
Clemencia132220.100.10Low0.050.03
Córdoba132120.100.10Low0.050.03
El Carmen de Bolívar132440.100.15Intermediate0.080.04
El Guamo132480.100.10Low0.080.04
El Peñón132680.150.15Intermediate0.070.04
Hatillo de Loba133000.150.10Intermediate0.050.03
Magangue134300.100.15Intermediate0.040.03
Mahates134330.100.10Low0.080.03
Margarita134400.100.10Low0.050.03
María la Baja134420.100.15Intermediate0.070.03
Mompós134680.100.15Intermediate0.040.03
Montecristo134580.150.15Intermediate0.080.04
Morales134730.150.15Intermediate0.070.04
Pinillos135490.100.15Intermediate0.050.03
Regidor135800.150.15Intermediate0.070.04
Río Viejo136000.150.15Intermediate0.070.04
San Cristóbal136200.100.10Low0.080.04
San Estanislao136470.100.10Low0.060.03
San Fernando136500.100.10Low0.040.03
San Jacinto136540.100.10Low0.080.04
San Jacinto del Cauca136550.150.15Intermediate0.080.04
San Juan Nepomuceno136570.100.10Low0.080.04
San Martín de Loba136670.150.15Intermediate0.060.04
San Pablo136700.150.15Intermediate0.360.04
Santa Catalina136730.100.10Low0.060.03
Santa Rosa136830.100.10Low0.050.03
Santa Rosa del Sur136880.150.15Intermediate0.080.04
Simití137440.150.15Intermediate0.080.04
Soplaviento137600.100.10Low0.080.04
Talaigua Nuevo137800.100.10Low0.040.03
Tiquisio138100.150.15Intermediate0.080.05
Turbaco138360.100.10Low0.050.03
Turbaná138380.100.10Low0.050.03
Villanueva138730.100.10Low0.050.03
Zambrano138940.100.10Low0.060.03

What does it mean for design in Bolívar?

Municipalities in the intermediate hazard zone. 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.

Municipalities in the low hazard zone. In reinforced concrete, the NSR-10 accepts structures with minimum energy dissipation capacity (DMI) in the low hazard zone, with the simplest detailing, and for occupancy groups I and II it limits the irregularity checks to a few types (A.3.3.6).

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 Cartagena, with each city's soil and environment, is on its structural engineering page.

Frequently asked questions

What seismic hazard zone is Cartagena in?

In the low seismic hazard zone: Aa = 0.10 and Av = 0.10, according to Appendix A-4 of the NSR-10.

Which municipalities of Bolívar have the highest seismic hazard?

The department's highest coefficient, 0.15, is found in 23 municipalities, including Achí, Altos del Rosario, Arenal, Barranco de Loba, Cantagallo and Cicuco.

How many municipalities of Bolívar are in each seismic hazard zone?

Of 45 municipalities, 0 are in the high hazard zone, 23 in the intermediate zone and 22 in the low zone (NSR-10, Appendix A-4).

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