Why can we feel earthquakes but not feel the Earth moving through space?

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I know that we cannot feel Earth’s motion because we are moving with it (i.e. riding in a car with closed windows analogy) but why can we feel the forces on Earth like earthquakes? If we are moving with Earth, shouldn’t we “move” with earthquakes (as they are movements in the Earth’s crust) and therefore not be able to feel them?

Please don’t guess the answer. Only answer if you actually know what you’re talking about lol. I feel like I answered my own Q in my explanation but I need someone more knowledgeable to articulate it in simple words. Thanks!

In: Physics

7 Answers

Anonymous 0 Comments

We move through space very smoothly; no bumps, accelerations or decelerations. (Well there may be some, but it’s so incredibly tiny we can’t feel it. It’s like how you can’t feel that you’re moving in a very smooth plane or train. You only know your moving when there’s acceleration or you look out the window.

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