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Long Point-Eureka Heights Fault System

 

 
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Long Point-Eureka Heights Fault System
 
 
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The Long Point-Eureka Heights Fault System is a system of geologic fault
Geologic fault

In geology, a fault or fault line is a planar Fracture in rock in which the rock on one side of the fracture has moved with respect to the rock on the other side....
s in Houston, Texas
Houston, Texas

Houston is the fourth-largest city in the United States of America and the largest city within the state of Texas. As of the 2007 U.S. Census estimate, the city has a population of 2.2 million within an area of 600 square miles ....
. It runs beneath the metropolitan area from the southwest to the northeast. The various faults are characterized as normal faults, meaning that the downthrown side is in the direction of the dip of the fault plane. This fault system as well as others located in nearby parts of Texas are believed to have formed millions of years ago during the formation of the Gulf of Mexico
Gulf of Mexico

The Gulf of Mexico is the ninth largest body of water in the world. Considered a smaller part of the Atlantic Ocean, it is an oceanic basin largely surrounded by the North American continent and the island of Cuba....
.






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The Long Point-Eureka Heights Fault System is a system of geologic fault
Geologic fault

In geology, a fault or fault line is a planar Fracture in rock in which the rock on one side of the fracture has moved with respect to the rock on the other side....
s in Houston, Texas
Houston, Texas

Houston is the fourth-largest city in the United States of America and the largest city within the state of Texas. As of the 2007 U.S. Census estimate, the city has a population of 2.2 million within an area of 600 square miles ....
. It runs beneath the metropolitan area from the southwest to the northeast. The various faults are characterized as normal faults, meaning that the downthrown side is in the direction of the dip of the fault plane. This fault system as well as others located in nearby parts of Texas are believed to have formed millions of years ago during the formation of the Gulf of Mexico
Gulf of Mexico

The Gulf of Mexico is the ninth largest body of water in the world. Considered a smaller part of the Atlantic Ocean, it is an oceanic basin largely surrounded by the North American continent and the island of Cuba....
. No significant earthquakes have occurred on these faults in historic times, but slow movement has been observed.