# How much mass is needed to have a booming footstep?

**URL:** https://boards.straightdope.com/t/how-much-mass-is-needed-to-have-a-booming-footstep/838095
**Category:** Factual Questions
**Created:** [August 2, 2019, 11:51pm UTC](https://boards.straightdope.com/t/how-much-mass-is-needed-to-have-a-booming-footstep/838095 "2019-08-02T23:51:53Z")
**Posts on this page:** 1
**Page:** 2

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### Author: ![kanicbird](https://avatars.discourse-cdn.com/v4/letter/k/5f8ce5/32.png) [@kanicbird](https://boards.straightdope.com/u/kanicbird)
#### Post date: [August 15, 2019, 2:10pm UTC](https://boards.straightdope.com/t/how-much-mass-is-needed-to-have-a-booming-footstep/838095/21 "2019-08-15T14:10:04Z")

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A fellow hiker claimed that a moose ran by him and it felt like a freight train from the ground vibration. From that I take it is not only the weight but the striking force/speed and foot’s ability to absorb the shock. The elephant example has a much different foot then a moose.

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