After a cave-in, another will not occur for at least 30–60 minutes.
Notes[]
Every 15–30 minutes, the game will choose a random player and check if a cave-in can occur at their location. The following requirements must be met:
A cave-in has not occured within the last 30–60 minutes.
The player has moved within the last 10 seconds.
The player is in the Undergrounds, Clay Caves or Forgotten Ruins, and at least 90 tiles away from The Core.
There is at least 20 Dirt, Clay or Stone Block walls, 20 uncovered Dirt, Clay or Stone Block ground, and 70 of both within a 11×11 area centered on the player.
There is fewer than 5 objects within a 5 tile radius of the player.
Up to 10 Fallen Rocks can spawn per cave-in. They will always land on uncovered ground.
