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fault

fault

63 6.1
A crack in the earth's crust where the ground has moved
  • noun
  • /fɔlt/
  • Specialized
translation icon : falla
  • Of course this place is built on a fault line.
  • a fault line
  • San Andreas fault
  • earthquake on a fault

Examples

  • In order to split this rock on the fault line, we're gonna have to drill to 800 feet.

  • Studies using this technique indicate that earthquakes along California's San Andreas fault have occurred more frequently than previously estimated.

    Academic text (1999)
  • Maybe the fault line runs just directly under our house.

  • It's like a theme park built on a fault line.

  • Today, rising house prices around the world have become a new fault line in politics, and it's one with unpredictable consequences.

  • Nothing is better designed to expose the fault lines of British society than the debate over educational standards.

    Academic text (1994)
  • The magnitude 5.5 earthquake hit just north of the Puente Hills fault less than an hour ago.

  • The school sat on a cultural fault line between federal assimilation and tribal self-determination.

    Academic text (2008)
  • In general, both countries have a very strong Shia Sunni tension on the fault line of sectarian division.

  • The geologist explained how the earthquake was caused by movement along a fault in the earth's crust.

Synonyms

fault line
vsfault
  • Specialized
16 4.7

A crack in the ground where the land moves, often causing earthquakes

refers to the crack itself beneath the surface rather than the visible trace
geological fault
vsfault
  • Specialized
1 5.0

A crack in the Earth's crust where rock layers move

is the general label for any crack with movement in the crust
normal fault
vsfault
  • Specialized
1 7.0

A sloping break in the Earth's crust where the upper side moves down past the lower side

is the general crust crack term that covers many movement directions
thrust fault
vsfault
  • Specialized
1 8.1

A break in rocks where the top part moves up over the lower part

is the basic name for any displaced crust crack beyond compression detail
inclined fault
vsfault
  • Specialized
9.0

A break in the ground where one side moves up at an angle

is the broader term for any crack with movement, not only angled ones
gravity fault
vsfault
  • Specialized
8.7

A sloping break in rock where the upper block moves down because of its weight

covers all crust cracks causing displacement, not only those driven by gravity
overthrust fault
vsfault
  • Specialized
9.6

A break in rock where strong sideways force pushes one rock layer up and over another

is the broader name for any crack with relative rock movement
strike-slip fault
vsfault
  • Specialized
7.4

A break in the ground where two rock blocks move past each other horizontally

is the umbrella term that includes both vertical and horizontal displacements

Idioms

62 3.4

Responsible for causing a problem or mistake and deserving blame

13 7.1

Very much of a good quality so it becomes a problem

1 7.4

Telling the truth even when it causes problems or hurts people

Very kind in a way that causes problems for the person giving

Compounds

fault line
  • Specialized
16 4.7

A crack in the ground where the land moves, often causing earthquakes

double fault
  • Jargon
1 2.8

Two bad serves in a row that make the player lose the point

A long crack in the ground in California that causes earthquakes

geological fault
  • Specialized
1 5.0

A crack in the Earth's crust where rock layers move

no fault insurance
  • Specialized
1 4.3

A system where each driver's own plan pays for their crash costs no matter who caused it

normal fault
  • Specialized
1 7.0

A sloping break in the Earth's crust where the upper side moves down past the lower side

thrust fault
  • Specialized
1 8.1

A break in rocks where the top part moves up over the lower part

common fault
  • Specialized
7.8

A break in rock where the top part moves down past the lower part

Denali Fault
  • Specialized
7.9

A long crack in the ground in central Alaska that makes earthquakes

gravity fault
  • Specialized
8.7

A sloping break in rock where the upper block moves down because of its weight

inclined fault
  • Specialized
9.0

A break in the ground where one side moves up at an angle

Car insurance where each driver gets money from their own insurance company after a crash, no matter who caused it

reverse fault
  • Specialized
8.3

A break in rock where one side moves up when the land is pushed together

overthrust fault
  • Specialized
9.6

A break in rock where strong sideways force pushes one rock layer up and over another

strike-slip fault
  • Specialized
7.4

A break in the ground where two rock blocks move past each other horizontally

Surface Forms

fault singular
faults plural

Etymology

Fault comes from Old French faute, from a Latin verb that meant 'to fail', like the English word fail. In geology a fault is a crack where the ground has 'failed' and moved, so the name shows the earth has broken or slipped there.