Yes it is very possible for it to occur since it could be one of the deadliest and most affective earthquakes which can occur at any time every 100 years
Momentum is a VECTOR quantity because it involves MAGNITUDE AND DIRECTION.
A vector quantity is a quantity which has both magnitude and direction. The formula for momentum is mass x velocity. The mass is a scalar quantity while the velocity is a vector quantity; scalar multiply by vector quantity will give vector quantity .<span />
