DRRR LESSON ? Flashcards

1
Q

tectonic belt of volcanoes and earthquakes

A

PACIFIC RING OF FIRE

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2
Q

PERTAINS TO ANY SHAKING OF THE GROUND SURFACE. THE SHAKING IS OTHERWISE CALLED AS “_”

A

EARTHQUAKE
SEISMIC WAVE

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3
Q

CAUSED BY THE MOVEMENT OF THE MANTLE AS A LIQUID PHASE OF THE EARTH’S INTERIOR

A

EARTHQUAKE

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4
Q

ANOTHER CAUSE IS THE DIFFERENCE IN TEMPERATURE IN THE DIFFERENT LAYERS OF THE EARTH.

A

EARTHQUAKE

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5
Q

A MACHINE THAT RECORDS GROUND MOVEMENT FROM EARTHQUAKES.

A

SEISMOGRAPH

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6
Q

THE INFORMATION RECORDED TELLS US ABOUT THE STRENGTH AND SPEED OF THE ENERGY TRAVELING FROM THE BREAKING POINT UNDERGROUND

A

SEISMOGRAPH

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7
Q

THE POINT UNDERGROUND WHERE THE ACTUAL BREAKING OF THE ROCK OCCURS. THE “FOCAL POINT” OF THE EARTHQUAKE

A

FOCUS

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8
Q

THE POINT DIRECTLY ABOVE THE FOCUS. THIS IS WHERE THE GROUND SHAKING IS USUALLY THE STRONGEST. THIS IS ALSO WHERE THE MOST DAMAGE USUALLY OCCURS.

A

EPICENTER

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9
Q

IT MAY LAST FROM SECONDS TO MINUTES DEPENDING ON THE PROXIMITY TO THE EPICENTER, OR THE SOURCE OF EARTHQUAKE. THIS IS A VIBRATION OF THE EARTH’S SURFACE SIDEWAYS, UPWARDS OR DOWNWARD.

A

GROUND SHAKING

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10
Q

AN OPPOSITE DIRECTIONAL MOVEMENT OF THE GROUND. THIS OFTEN OCCURS ON A FAULT, OR IN BETWEEN TWO BLOCKS OF LAND.

A

GROUND RUPTURE

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11
Q

REFERS TO THE WEAKENING OF SEDIMENTS, ROCKS, OR SOIL DUE TO SATURATION OF WATER CAUSED BY STRONG SHAKING OF THE GROUND.

A

LIQUEFACTION

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12
Q

OCCURS WHEN WATERLOGGED SEDIMENTS ARE AGITATED BY SEISMIC SHAKING.

A

LIQUEFACTION

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13
Q

PRONE TO LOW LYING AREAS, RIVER BANKS, FLOOD PLAINS, COASTLINES, SWAMPS AND ABANDONED RIVERS.

A

LIQUEFACTION

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14
Q

EFFECTS OF LIQUEFACTION

A

LATERAL SPREADING
BOUYANT RISE OF BURIED VESSEL
GROUND-SETTING
SAND BOIL OR SAND BLOW

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15
Q

Subsidence, or lowering of the ground surface, often occurs during earthquakes

A

EARTHQUAKE INDUCED GROUND SUBSIDENCE

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16
Q

A Japanese word which means “big waves”. It is a drastic change in the strength of wave caused by an earthquake.

A

TSUNAMI

17
Q

Is the movement of mass of land from a higher portion to a lower point due to the force of gravity intensified by earthquake

A

LANDSLIDE

18
Q

It occurs when masses of rock, earth or debris move down a slope. Varies in speed depending on earthquakes magnitude- the strength of an earthquake

A

LANDSLIDE