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Flashcards in Seisometers Deck (2)
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1
Q

What do seismometers measure? 3

A

Magnitude of earthquakes - the amount of energy they release
Duration of vibrations
Direction (horizontal or vertical) of the vibrations

2
Q

Why are seismic records important?

A

They have been built up over time, so the frequency of earthquakes in different areas can be examined