Panama Colombia Earthquake 5.0 - Panama-Colombia border region 2022-12-03 11:41:37

 5.0 - Panama-Colombia line area

2022-12-03 11:41:37 (UTC)7.305°N 77.076°W39.0 km profundity

Regulatory Locale

ISO

COL

Area

Chocó

Country

Colombia

Close by Spots

Riosucio, Chocó, Colombia

16.2 km (10 mi) NNWPopulation: 7163

Chigorodó, Antioquia, Colombia

59.3 km (36.8 mi) NEPopulation:I48443

Carepa, Antioquia, Colombia

68.7 km (42.7 mi) NEPopulation: 20627

Apartadó, Antioquia, Colombia

81.2 km (50.5 mi) NEPopulation: 86438

Unión Chocó, Emberá, Panama

100.4 km (62.4 mi) NNWPopulation: 9497

Distance and course from focal point to local spot

Structural Rundown

Seismotectonics of the Caribbean Locale and Area.

Broad variety and intricacy of structural systems describes the edge of the Caribbean plate, including no less than four significant plates (North America, South America, Nazca, and Cocos). Slanted zones of profound quakes (Wadati-Benioff zones), sea channels, and bends of volcanoes plainly show subduction of maritime lithosphere along the Focal American and Atlantic Sea edges of the Caribbean plate, while crustal seismicity in Guatemala, northern Venezuela, and the Cayman Edge and Cayman Channel demonstrate change issue and pull-separated bowl tectonics.

Along the northern edge of the Caribbean plate, the North America plate moves westwards regarding the Caribbean plate at a speed of roughly 20 mm/yr. Movement is obliged along a few significant change blames that broaden toward the east from Isla de Roatan to Haiti, including the Swan Island Shortcoming and the Oriente Issue. These shortcomings address the southern and northern limits of the Cayman Channel. Further east, from the Dominican Republic to the Island of Barbuda, relative movement between the North America plate and the Caribbean plate turns out to be progressively perplexing and is to some extent obliged by almost curve equal subduction of the North America plate underneath the Caribbean plate. This outcomes in the development of the profound Puerto Rico Channel and a zone of middle center seismic tremors (70-300 km profundity) inside the subducted piece. Albeit the Puerto Rico subduction zone is believed to be fit for producing a megathrust tremor, there have been no such occasions in the previous hundred years. The last plausible interplate (push issue) occasion here happened on May 2, 1787 and was broadly felt all through the island with archived annihilation across the whole northern coast, including Arecibo and San Juan. Starting around 1900, the two biggest quakes to happen in this area were the August 4, 1946 M8.0 Samana seismic tremor in northeastern Hispaniola and the July 29, 1943 M7.6 Mona Entry quake, the two of which were shallow pushed shortcoming seismic tremors. A critical piece of the movement between the North America plate and the Caribbean plate in this district is obliged by a progression of left-parallel strike-slip blames that cut up the island of Hispaniola, prominently the Septentrional Shortcoming in the north and the Enriquillo-Plantain Nursery Issue in the south. Action nearby the Enriquillo-Plantain Nursery Shortcoming framework is best recorded by the staggering January 12, 2010 M7.0 Haiti strike-slip quake, its related consequential convulsions and a tantamount seismic tremor in 1770.

Moving east and south, the plate limit bends around Puerto Rico and the northern Lesser Antilles where the plate movement vector of the Caribbean plate comparative with the North and South America plates is less angled, bringing about dynamic island-circular segment tectonics. Here, the North and South America plates subduct towards the west underneath the Caribbean plate along the Lesser Antilles Channel at paces of roughly 20 mm/yr. Because of this subduction, there exists both halfway center quakes inside the subducted plates and a chain of dynamic volcanoes along the island circular segment. Albeit the Lesser Antilles is viewed as one of the most seismically dynamic districts in the Caribbean, not many of these occasions have been more prominent than M7.0 over the course of the last hundred years. The island of Guadeloupe was the site of one of the biggest megathrust seismic tremors to happen around here on February 8, 1843, with a recommended extent more prominent than 8.0. The biggest ongoing halfway profundity tremor to happen along the Lesser Antilles curve was the November 29, 2007 M7.4 Martinique quake northwest of Post De-France.

The southern Caribbean plate limit with the South America plate strikes east-west across Trinidad and western Venezuela at a general pace of roughly 20 mm/yr. This limit is portrayed by major change deficiencies, including the Focal Reach Shortcoming and the Boconó-San Sebastian-El Pilar Blames, and shallow seismicity. Beginning around 1900, the biggest seismic tremors to happen in this locale were the October 29, 1900 M7.7 Caracas quake, and the July 29, 1967 M6.5 seismic tremor close to this equivalent area. Further toward the west, an expansive zone of compressive distortion drifts southwestward across western Venezuela and focal Colombia. The plate limit isn't obvious across northwestern South America, yet twisting advances from being overwhelmed via Caribbean/South America combination in the east to Nazca/South America union in the west. The progress zone between subduction on the eastern and western edges of the Caribbean plate is portrayed by diffuse seismicity including low-to middle greatness (M<6.0) quakes of shallow to halfway profundity.

The plate limit seaward of Colombia is likewise portrayed by intermingling, where the Nazca plate subducts underneath South America towards the east at a pace of roughly 65 mm/yr. The January 31, 1906 M8.5 tremor happened on the shallowly plunging megathrust point of interaction of this plate limit fragment. Along the western shore of Focal America, the Cocos plate subducts towards the east underneath the Caribbean plate at the Center America Channel. Assembly rates differ between 72-81 mm/yr, diminishing towards the north. This subduction brings about moderately high paces of seismicity and a chain of various dynamic volcanoes; middle center tremors happen inside the subducted Cocos plate to profundities of almost 300 km. Starting around 1900, there have been many respectably estimated moderate profundity seismic tremors around here, including the September 7, 1915 M7.4 El Salvador and the October 5, 1950 M7.8 Costa Rica occasions.

The limit between the Cocos and Nazca plates is portrayed by a progression of north-south moving change deficiencies and east-west moving spreading communities. The biggest and most seismically dynamic of these change limits is the Panama Break Zone. The Panama Break Zone ends in the south at the Galapagos crack zone and in the north at the Center America channel, where it shapes part of the Cocos-Nazca-Caribbean triple intersection. Quakes along the Panama Break Zone are by and large shallow, low-to moderate in greatness (M<7.2) and are naturally correct horizontal strike-slip blaming tremors. Beginning around 1900, the biggest tremor to happen along the Panama Crack Zone was the July 26, 1962 M7.2 quake.

References for the Panama Break Zone:

Molnar, P., and Sykes, L. R., 1969, Tectonics of the Caribbean and Center America Districts from Central Components and Seismicity: Land Society of America Notice, v. 80, p. 1639-1684.