This week's Trends: earthquakes, hurricanes, and portals

Each weekday, we at YouTube Trends take a look at the most interesting videos and cultural phenomena on YouTube as they develop. We want take a moment to highlight some of what we've come across this week:

• We highlighted lots of videos and reactions from the East Coast earthquake as well as some instances of the quake caught-on-camera.
  
  
• We saw how people were documenting preparations for Hurricane Irene.
  
  
• We catalogued 10 of the most-viewed Minecraft song parodies.
  
  
• We spotted some wild human pyramids in India.
  
  
• We tracked some rising searches this week, which included Aaliyah and some airshow tragedies.
  
  
• We shared video from a flash mob arrest.
  
  
• We received video from Libya as rebels arrived in Tripoli.
  
  
• We studied how Ken Block's new hit video was taking off.
  
  
• We discovered how some fans/filmakers brought the game Portal into real life.
  
  
• And ImprovEverywhere created another hit by asking people to "Say Something Nice.

Check back every day for the latest about what's trending on YouTube at: www.YouTube.com/Trends