would a meteor bigger than a small town, dropping from outer space, destroy earth?????????????

Question: would a meteor bigger than a small town, dropping from outer space, destroy earth?????????????
- Keywords:
  end of the world,
  meteor
Asked by NAINY IS LOVE to Connor, Jillian, Lidunka, Sarah, Steven on 16 Jun 2015.
- Lidunka Vocadlo answered on 16 Jun 2015:
  
  @NAINY IS LOVE Absolutely! In fact it only needs to be just one or two km big to completely destroy the planet. Something that size landing in america would completely flatten the united states, and the stuff thrown up into the atmosphere would block out the sun for a long time killing off everything else. Fortunately it is not very likely!

Question: would a meteor bigger than a small town, dropping from outer space, destroy earth?????????????