Pedro Miguel Fault
Seismic fault beneath the Panama canal
The Pedro Miguel Fault is a seismic fault that runs beneath the Panama Canal and near Panama City, home to approximately 1.2 million of Panama's approximately 3.3 million inhabitants.[1]
Seismic activity
Both faults are active, cause earthquakes every 600 to 900 years, and could cause ground slippage of up to 9.8 feet (3.0 m).[2] An earthquake in 1882 caused a regional tsunami.[1] A team of seismologists led by Tom Rockwell of San Diego State University found evidence suggesting both faults slipped simultaneously around 700 CE.[1][2]
Potential consequences of an earthquake
The Pedro Miguel and the Limón Fault system are a concern for geologists, as a strong earthquake centered on either could damage the canal, drain the lake that supplies water for the operation of its locks, Lago Gatun, and cause severe damage in the capital.[1][2]
References
- ^ a b c d Larry O'Hanlon, "Quake risk threatens Panama Canal and City: Two large earthquake faults could expose area to serious shaking,", Discovery News, NBC News, November 22, 2010.
- ^ a b c Andy Coghlan, "Panama canal is due a big earthquake," Environment, New Scientist, November 18, 2010, revised November 25, 2010.
Further reading
- Thomas Rockwell, et al. "Neotectonics and Paleoseismology of the Limón and Pedro Miguel Faults in Panamá: Earthquake Hazard to the Panamá Canal." Bulletin of the Seismological Society of America 100.6, December 2010. Online abstract.
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Tectonic plates of Central America (Pacific Plate–North American Plate–Caribbean Plate Convergence Zone)
- Cocos Plate
- Nazca Plate
- Rivera Plate
rift zones
- Atl Fault
- Atoyac Fault
- Ballenas Fault
- Carmen Fault
- Cerro Prieto Fault
- Chapala Tula Fault Zone
- Donaji Fault
- Guaymas Fault
- Gulf of California Rift Zone
- Farallon Fault
- Imperial Fault Zone
- Oaxaca Fault
- Pedro Miguel Fault
- Pescadero Fault
- Rivera Transform Fault
- Polochic Fault - Motagua Fault
- San Lorenzo Fault
- Tamayo Fault
troughs
- Alarcon Basin
- Carmen Basin
- Consag Basin
- Delfin Basin
- Guaymas Basin
- Middle America Trench (Acapulco/Guatemala)
- San Pedro Mártir Basin
- Tehuantepec Ridge
- Wagner Basin
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