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प्रश्न
What are known as seismic focus and epicenter with respect to an earthquake?
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उत्तर
The point of origin of earthquake waves is called the seismic focus, and the center vertically above the seismic focus nearest to the earth’s crust is called the epicenter.
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संबंधित प्रश्न
Identify and name the internal movement.
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The giant sea waves caused by earthquakes in the oceans are called ___________.
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| Column A | Column B |
| 1. Tsunami | (a) The waves that make the inhabitants feel the ground motion. |
| 2. Seismograph | (b) The instrument for measuring the intensity of earthquakes. |
| 3. S-waves | (c) Harbour waves generated by oceanic earthquakes. |
| 4. Richter scale | (d) The point on the earth surface directly above the seismic focus. |
| 5. Epicentre | (e) An instrument for recording the movement of earthquake waves. |
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Name the instrument used to record Earthquakes.
Earthquakes occur in the Mid-Atlantic belt.
Why are earthquakes related to volcanoes?
Name three causes of Earthquakes.
Answer the following:
A volcanic eruption is one of the main causes of earthquakes.
Choose the odd one
Choose the odd one
What is Seismograph?
Give a note on Tsunami 2004.
What is the point of the earth’s surface directly above the focus called?
Choose the odd one.
focus, epicenter, vent, seismic waves
