posted on Feb, 18 2005 @ 10:37 PM
No, it's not possible in anyway. This idea is already being discussed in one of the thread about the magnetar.
A.) If "gravity waves" or gamma rays caused it, the would have set off the entire hemisphere that was facing in its direction.
2.) Those things travel at the speed of light, so they would have had to arrive at the time of the earthquake anyway.