​Deep Focus Earthquake

  • As per the National Centre of Seismology, the recent tremors in Delhi were the most significant in at least five years.
  • Earthquakes are categorized by depth: shallow-focus (0-70 km), intermediate-focus (70-300 km), and deep-focus (300-700 km), with deeper earthquakes generally causing less intense surface shaking.
  • Deep-focus earthquakes occur at depths greater than 70 km, typically within subducting lithospheric plates sinking into the Earth's mantle.
  • These earthquakes release energy deep underground, resulting in weaker surface shaking compared to shallow-focus earthquakes of similar ....
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