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What Are Shadow Zones In Seismic Activity And How Do They Reveal Earth's Interior? - Chapter 3: Interior of the Earth - CBSE Class 11 Geography

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In this video, we explore the concept of shadow zones in seismic activity, which are regions where seismic waves (P-waves and S-waves) from an earthquake cannot be detected. We discuss how seismographs record P and S waves within 105° of an earthquake's epicenter, but beyond 105°, only P-waves are detected. The shadow zones for both P and S waves provide valuable insights into the Earth's internal structure. Using the 2004 Indian Ocean Earthquake as an example, we explain how these shadow zones were formed and what they reveal about the Earth's layers and the behavior of seismic waves. This video is crucial for CBSE Class 11 Geography students studying seismic activity and Earth’s interior.

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Shadow Zones, Seismic Waves, P-Waves, S-Waves, Earth’s Interior, 2004 Indian Ocean Earthquake, Seismograph, Seismic Activity, CBSE Class 11 Geography, Earth’s Structure, Earthquake Analysis, Seismic Behavior, Earth’s Layers, Shadow Zone Formation, Earthquake Epicenter

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