prirodak - zemetreseni pico Flashcards

1
Q

co je to zemetreseni?

A

otresy zemskeho povrchu zpusobene nahlym uvolnenim napeti pri pohybech litosferickych desek

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2
Q

pricina zemetreseni:

A

pohyb a premistovani latek v zemske kure –> vznika napeti, ktere se musi uvolnit

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3
Q

projevy zemetreseni:

A
  • praskani
  • vznik trhlin
  • sesuvy hornin, pudy, laviny
  • tsunami
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4
Q

v jake podobe se siri zemetreseni?

A

v podobe vln

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5
Q

co je to ohnisko (hypocentrum)?

A
  • misto vzniku
  • v hloubce az 700km
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6
Q

co je to epicentrum?

A
  • misto nad ohniskem
  • nejvice postizeno
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7
Q

co je to seizmograf?

A

pristroj, ktery meri silu zemetreseni –> seizmogram

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8
Q

co je to Richterova stupnice?

A

udava silu zemetreseni

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9
Q

co je to Magnitudo?

A

ciselna hodnota na Richterove stupnici 1 - 9

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10
Q

druhy zemetreseni:

A

a) tektonicka
b) sopecna
c) řitivá

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11
Q

co je to tsunami?

A
  • vlna zpusobena zemetresenim
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12
Q

jakou rychlost ma tsunami?

A

az 700km/h

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13
Q

vyska a delka tsunami:

A

vyska: desitky metru
delka: stovky km

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