A clip recorded in Myanmar in March reveals a curved path of the fault slip, which can help scientists better understand the physics of such events ...

The Sagaing Fault, running through central Myanmar, cracked open with sudden force. The surface jolted sideways, like a massive belt jerking for a moment.

No impact has been reported in Thailand, and crucially, these quakes were caused by horizontal fault movement, not the subduction-type movements that lead to tsunamis, as seen in the 2004 disaster ...