Solved UPSC CDS/OTA Question
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Q · Earthquakemedium · 45s
Which layer of Earth do most earthquakes originate from?
TopicEarthquake
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Most earthquakes originate in the Earth's crust where tectonic plates interact. However, some deeper earthquakes can originate in the upper mantle.
Final Answer: Option A - Crust