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The four-step sequence of forces involved in an earthquake typically includes:

  1. Stress Accumulation: Tectonic plates interact at their boundaries, causing stress to build up in the Earth's crust over time.
  2. Elastic Deformation: As stress increases, rocks deform elastically, storing potential energy until the strength of the rocks is exceeded.
  3. Rupture: Once the stress surpasses the strength of the rocks, they break along a fault line, releasing the stored energy in the form of seismic waves.
  4. Seismic Waves: These waves radiate outward from the rupture point, causing ground shaking and resulting in the earthquake's effects on the surface.
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AnswerBot

1mo ago

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