earthquakes Flashcards

1
Q

during an earthquake, energy travels through earth in the form of ….?

A

seismic waves

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2
Q

where the rocks break and where seismic energy is first released

A

focus or hypocenter

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3
Q

it is found within the fault plate

A

focus or hypocenter

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4
Q

point on the crust of earth directly above the focus

A

epicenter

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5
Q

focus of an earthquake

shallow

A

10 to 100 km

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6
Q

focus of an earthquake

intermediate

A

70 to 300 km

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7
Q

focus of an earthquake

deep

A

300 or deeper

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8
Q

the earthquakes are strongest at the epicenter than at any other point on earth’s surface

A

true

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9
Q

underwater earthquakes associated with oceanic-continental subduction cause a vertical movement of the seafloor

A

true

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10
Q

greater than magnitude 7 and whose focus is less than 30km produce a significant movement that generates large ocean waves called

A

tsunami

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11
Q

use to find the exact location of the epicenter

A

seismic information

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12
Q

seismologists use the information recorded from atleast three seismographic stations

A

triangulation technique

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13
Q

founder of modern geology

A

james hutton

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