sci Flashcards

1
Q

refers to the faults where movement of blocks is parallel to the dip of the fault surface

A

drip-slip fault

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2
Q

is formed by tensional stresses that pull rocks apart hanging wall moves down relative to the footwall associated with divergent plate boundaries.

A

normal fault

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3
Q

are the alternating uplifted and down dropped blocks

A

horsts and grabens

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4
Q

refers to the uplifted or raised areas

A

horst

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5
Q

refers to the down-dropped or lowered areas

A

grabens

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6
Q

is a formed by the compressional forces that pushes the plates toward eachother (pataas, pababa)

A

reverse fault

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7
Q

moves upward relative to the footwall

A

hanging wall

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8
Q

reverse fault whose dip is less than 45 degrees

A

thrust fault

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9
Q

is a result of the sideways movement of blocks of rocks blocks move laterally

A

strike slip fault

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10
Q

has both dip slip and strike slip component formed by shear stress, and tensional compressional stress

A

oblique fault

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11
Q

these are shaking of the earth’s surface resulting from the sudden release of energy

A

earthquake

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12
Q

is a fault movement or slippage is expected to occur

A

active fault

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13
Q

is a fault that has ceased activity for a long time

A

inactive fault

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14
Q

location where the slippage or movement took place

A

hypocenter

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15
Q

point on the ground directly aware the hypocenter

A

epicenter

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16
Q

an elevated surface caused by a hypocenter at the fault

A

fault scarp

17
Q

it refers to the amount of energy released by an earthquake as the ground shakes

A

magnitude

18
Q

is used to measure the magnitude of an earthquake

A

Richter scale

19
Q

it is an instrument that is used to determine the strength of an earthquake of an earthquake

A

seismograph

20
Q

is a process by which earthquakes are mapped using several seismograph

A

triangulation

21
Q

these are harbor waves if waves that come into the bay from the ocean

A

tsunami