(Exact commands vary by mod implementation; check the mod’s README.)
For players looking for the most immersive (or destructive) experience, the top mods usually offer:
If you don't want to download anything, you can create a functional tsunami using two command blocks and an armor stand: Get a Command Block /give @p command_block Command 1 (Movement) : Set a Repeat command block to "Always Active" with: execute @e[type=armor_stand] ~ ~ ~ tp ~ ~ ~ -1 Command 2 (Water Generation)
This mod is not for players who are attached to their dirt huts.
: A highly detailed mod that adds up to 48 variations, including Lava , TNT , and Void tsunamis . 2. Technical Implementation: Command Block Method