Question

please tell me the answer ​

Answer 1

Answer-

1. A seismograph, or seismometer, is an instrument used to detect and record earthquakes.

2. The Richter scale measures the magnitude of an earthquake (how powerful it is)

3. The hypocenter is the point within the earth where an earthquake rupture     starts. The epicenter is the point directly above it at the surface of the Earth.  Also commonly termed the focus

Answer 2

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1. $\dashrightarrow$seismograph.

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2.$\dashrightarrow$Richter scale.

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3.$\dashrightarrow$ Hypocenter.

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