/camerashake: Shakes a player's camera for a set time and strength, or stops the shaking. Use it for explosions or earthquakes.
Syntax
<angle brackets> are required, [square brackets] optional. /camerashake has 2 forms:
/camerashake <action: camerashakeactionadd> <player: selection> [intensity: val] [seconds: val] [shakeType: camerashaketype]
/camerashake <action: camerashakeactionstop> [player: selection]