March Madness, the L.A. earthquake, and ABC’s “Dancing with the Stars” are among the most-buzzed-about topics on Facebook this week. Public figures are joining the conversation, so check out our weekly rankings and a few standout posts.

This Week’s Facebook Buzz Rankings*

1. St. Patrick’s Day
2. Indian Holi celebrations
3. March Madness
4. L.A. earthquake
5. AMC’s “The Walking Dead”
6. Disney’s “The Incredibles” sequel
7. Missing Malaysia Airlines flight
8. ABC’s “Dancing with the Stars”
9. Russia and Crimea
10. March’s full moon

By Alex Walker, Consumer Content Manager and Bree Nguyen, Strategic Partnerships Manager with research by Facebook Data Analyst Dustin Cable, extern Evan Bonnstetter and researcher Sonya Barrett

*Facebook Buzz Rankings reflect the top topics being discussed on Facebook, March 16-19, in the United States. The rankings are based on both frequency and momentum: the Facebook conversations that not only got a lot of buzz during the week, but also saw a notable increase compared with the previous week.