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Q&A How big could a meteor crater be without causing significant secondary effects?

I need to wipe out a city. Not a huge one (I won't let them grow beyond a certain limit), but big enough to need to do some pretty serious damage. Let's say something similar in size to Pompeii. (y...

7 answers  ·  posted 5y ago by Spudley‭  ·  last activity 5y ago by Spudley‭

Question cities geology asteroids meteor