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Chapter 10: Game Mastering / Environment / Natural Disasters


Source Core Rulebook pg. 518 2.0
Earthquakes often cause other natural disasters in the form of avalanches, collapses, floods, and tsunamis, but they also present unique threats such as fissures, soil liquefaction, and tremors.


Source Core Rulebook pg. 518 2.0
Fissures and other ground ruptures can destabilize structures, but more directly they lead to creatures taking bludgeoning damage from falling into a fissure.

Soil Liquefaction

Source Core Rulebook pg. 518 2.0
Liquefaction occurs when granular particles shake to the point where they temporarily lose their solid form and act as liquids. When this happens to soil, it can cause creatures and even whole buildings to sink into the ground. You can use the earthquake spell for more specific rules, though that spell represents only one particular kind of localized quake.


Source Core Rulebook pg. 518 2.0
Tremors knock creatures prone, causing them to fall or careen into other objects, which can deal bludgeoning damage appropriate to the severity of the quake.