I. It is the point where the energy is released and is called the focus of an earthquake.
II. It is the point where the earthquake starts and may be many kilometers deep within the Earth.
Which of the statements given above is/are correct?
Understanding Earthquake Hypocentre Statements
This question asks to evaluate two statements about the earthquake hypocentre.
Statement Analysis
- Statement I: Defines the hypocentre as the point where energy is released and calls it the focus. This is accurate. The hypocentre, or focus, is the precise point within the Earth where an earthquake rupture begins, and energy is initially released.
- Statement II: States the hypocentre is where the earthquake starts and can be located deep within the Earth. This is also correct. Earthquakes originate at the hypocentre, which can occur at various depths, from shallow near the surface to hundreds of kilometers deep in the mantle.
Conclusion
Both statements I and II correctly describe aspects of the earthquake hypocentre.
Therefore, the correct option includes both statements.
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Asthenosphere is:
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