Twitter index: suicide bombing in Cirebon and Charlie Chaplin's 122nd birthday

The number one topic on Twitter on the morning of April 15 is "#CoachellaLive." The promoted hashtag is accompanied by a post that is directing Twitterers to a live stream of Coachella, a major music and arts festival held annually in the US.

Twitterers are sharing the names of things the world needs a cure for with third place hashtag "#weneedacurefor."

The term first appeared alongside the names of serious illnesses like cancer and AIDS but has since turned into silliness, with people tweeting "stupid people," "sparkling," "people who don't like rock music" and "bad English."

"#onmymind" is in second place, "#ispeakswag" is in fourth place and "Hard Nipples" is in fifth place.

The name of Indonesian activist "Binayak Sen" is in sixth place, the name of Australian singer "Jamie Laou" is back in the charts in seventh place and the name of hanged Italian activist "Vittorio Arrigoni" is in ninth place.

Microbloggers are celebrating what would be the 122th birthday of Charlie Chaplin. "A day without laughter is a day wasted," say Twitteres, while also noting that todayrs Google doodle is a video honoring the famous comedian.

An explosion in a police compound in the Indonesian town of Cirebon is causing "Cirebon" to trend in tenth place. @reutersflash tweets that at least one person has died. Indonesian microbloggers are tweeting that the explosion was the result of a suicide attack on the police headquarters.

The top 10 most talked about topics on Twitter on April 15 at 7:30 AM GMT are:

1. #CoachellaLive (promoted)
2. #onmymind (new)
3. #weneedacurefor (new)
4. #ispeakswag (new)
5. Hard Nipples (new)
6. Binayak Sen (new)
7. Jamie Laou (re-entry)
8. Charlie Chaplin (new)
9. Vittorio Arrigoni (new)
10. Cirebon (new)