The Tarra Fault () is a
thrust fault
A thrust fault is a break in the Earth's crust, across which older rocks are pushed above younger rocks.
Thrust geometry and nomenclature
Reverse faults
A thrust fault is a type of reverse fault that has a dip of 45 degrees or less.
If ...
in the
department
Department may refer to:
* Departmentalization, division of a larger organization into parts with specific responsibility
Government and military
*Department (administrative division), a geographical and administrative division within a country, ...
of
Norte de Santander
North Santander (Spanish: Norte de Santander) () is a department of Northeastern Colombia. It is in the north of the country, bordering Venezuela. Its capital is Cúcuta, one of the country's major cities.
North Santander is bordered by Ven ...
in
Colombia. The fault has a total length of and runs along an average north-northeast to south-southwest
strike
Strike may refer to:
People
* Strike (surname)
Physical confrontation or removal
*Strike (attack), attack with an inanimate object or a part of the human body intended to cause harm
*Airstrike, military strike by air forces on either a suspected ...
of 007.6 ± 8 in the
Eastern Ranges
The Eastern Ranges is an Australian rules football team in the NAB League, the Victorian statewide under-18s competition.
The club is a founding member of the competition (1992) and has produced several players for the Australian Football Le ...
of the Colombian
Andes
The Andes, Andes Mountains or Andean Mountains (; ) are the longest continental mountain range in the world, forming a continuous highland along the western edge of South America. The range is long, wide (widest between 18°S – 20°S ...
.
Etymology
The fault is named after the
Tarra River
The Tarra River is a river of Colombia. It drains into Lake Maracaibo via the Catatumbo River. Several discredited claims of large monkey-like creatures originated in this region.
See also
*List of rivers of Colombia
Atlantic Ocean
Amazon R ...
.
[Paris et al., 2000, p.12]
Description
The Tarra Fault is located northwest of the city of
Cúcuta
Cúcuta (), officially San José de Cúcuta, is a Colombian municipality, capital of the department of Norte de Santander and nucleus of the Metropolitan Area of Cúcuta. The city is located in the homonymous valley, at the foot of the Easte ...
and
Las Mercedes Fault. The fault thrusts
Precambrian
The Precambrian (or Pre-Cambrian, sometimes abbreviated pꞒ, or Cryptozoic) is the earliest part of Earth's history, set before the current Phanerozoic Eon. The Precambrian is so named because it preceded the Cambrian, the first period of th ...
and
Paleozoic
The Paleozoic (or Palaeozoic) Era is the earliest of three geologic eras of the Phanerozoic Eon.
The name ''Paleozoic'' ( ;) was coined by the British geologist Adam Sedgwick in 1838
by combining the Greek words ''palaiós'' (, "old") and ' ...
rocks over
Cretaceous
The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of ...
rocks. It has a very pronounced morphologic expression along the base of the mountain front through the western side of the Tarra valley. The strong topographic signature of the scarp suggests, according to Page (1986), that the fault is as active as other known Quaternary faults in the region.
[ The fault runs from ]El Tarra
El Tarra is a Colombian municipality and town located in the department of Norte de Santander
North Santander (Spanish: Norte de Santander) () is a department of Northeastern Colombia. It is in the north of the country, bordering Venezuela. ...
in the north to Hacari in the south.[Plancha 66, 1980][Plancha 76, 1980]
See also
* List of earthquakes in Colombia
This is a list of earthquakes in Colombia. Colombia is a seismically active country and has a large seismic risk in many areas of its territory due to its location at the boundaries of the Malpelo, Panama, Caribbean, North Andes (where most ...
* Bucaramanga-Santa Marta Fault
The Bucaramanga-Santa Marta Fault (BSMF, BSF) or Bucaramanga-Santa Marta Fault System ( es, (Sistema de) Falla(s) de Bucaramanga-Santa Marta) is a major oblique transpressional sinistral strike-slip fault (wrench fault) in the departments of Magda ...
* Caño Tomás Fault
References
Bibliography
*
Maps
*
*
*
Further reading
*
{{Tectonism in Colombia
Seismic faults of Colombia
Thrust faults
Active faults
Faults