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Science > Geologic Hazards > Flashcards

Geologic Hazards Flashcards

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1
Q

It is located along the Western Pacific Basin and lies between two tectonic plates whose interactions give rise to geologic processes.

A

Philippines

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2
Q

It is also part of the circum-Pacific seismic belt and is within the subduction zones called the ___

A

ring of fire

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3
Q

a dangerous phenomenon, substance, human activity or
condition that may cause loss of life, injury or other health impacts, property damage, loss of livelihoods and services, social and economic disruption, or environmental damage.

A

HAZARD

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4
Q

Known as the Philippine Disaster Risk Reduction and Management Act of 2010

A

REPUBLIC ACT 10121

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5
Q

Anything that may cause potential harm to humans.

Dangerous situations/events that carries a threat to humans.

A

Hazard

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6
Q

Event that actually harm humans and disrupts the operation of the society.

A

Disaster

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7
Q

are natural processes or phenomena that may cause the loss of life, injury or other health impacts, property damage, loss of livelihood and services, social, and economic disruption, or environmental damage.

A

Geologic Hazards

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8
Q

are ground shaking, landslides, liquefaction and surface rupture

A

Primary earthquake hazards

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9
Q

include tsunami, seiche, flooding, and fire

A

Secondary earthquake hazards

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10
Q

shaking of the ground caused by the passage of seismic waves, forms of energy that travel through the different layers of Earth caused by vibration or movement.

A

Ground Shaking

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11
Q

occurs when ground movement happens on a fault line and breaks through to the surface.

A

Ground Rupture(surface rupture)

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12
Q

occurs when seismic causes loose materials in the soil to mix with groundwater or soil saturated with water.
The structures on the ground slowly sink

A

Liquefaction

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13
Q

also known as the sinking of the ground.
It is the lowering of the land due to an earthquake on a fault line.

A

. Earthquake-induced ground subsidence

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14
Q

series of waves generated when an oceanic body of water is rapidly disturbed of an underwater earthquake and other activities such as volcanic eruption, undersea landslide, and explosion.

A

Tsunami

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15
Q

may happen during or after an earthquake when a weakened section of land falls off primarily due to gravity.

A

Earthquake-Induced Landslides

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16
Q

small waves), a phenomenon characterized by the splashing of water forwards and backwards.
It can be caused by an earthquake and/or a tsunami. This usually occurs in bodies of water like lakes, harbors, and seas.

A

Seiche

17
Q

are caused by tsunami generated earthquakes on subduction zone faults

A

Flooding

18
Q

often follow after an earthquake because of knocked down power lines and broken gas lines.

A

Fire

19
Q

rock fragment that is ejected from a volcano during its explosive eruption.

A

BALLISTIC PROJECTILE

20
Q

consists of sulfur dioxide and hydrogen sulphide, which are poisonous and hazardous to organisms. These are the main components of the magma that is spewed out during an eruption.

A

VOLCANIC GAS

21
Q

the fast-moving fluidized mass of rock fragments and gases.

A

PYROCLASTIC FLOW

22
Q

molten rock that pours down from the slopes of the volcano.

A

LAVA FLOW

23
Q

composed of bits and pieces of pulverized rocks, minerals, and volcanic glass generated from the volcanic eruption.

A

ASH FALL

24
Q

an Indonesian term for the mixture of water, pyroclastic materials, and rock fragments flowing down a volcano or river valley.

A

LAHAR

25
Q

which weakens the soil due to the loss of trees that may hold excessive water flows

A

Illegal logging

26
Q

which changes the slope of mountain ranges causing topples and flows

A

Illegal mining

27
Q

destroys the natural structure of the land to hold the mass of materials

A

Unauthorized excavation

28
Q

leading the people to build houses, structures and infrastructures on mountain ranges that increases the possibility of landslides

A

Unplanned urbanization

Science (6 decks)

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