Earth Tremor

D&D 2014 spell: Earth Tremor. Source: Xanathar's Guide to Everything. level 1, school Evocation, casting time 1 action, range 10 feet, duration Instantaneous

You cause a tremor in the ground within range. Each creature other than you in that area must make a Dexterity saving throw. On a failed save, a creature takes 1d6 bludgeoning damage and is knocked prone. If the ground in that area is loose earth or stone, it becomes difficult terrain until cleared, with each 5-foot-diameter portion requiring at least 1 minute to clear by hand.

At Higher Levels

At Higher Levels When you cast this spell using a spell slot of 2nd level or higher, the damage increases by 1d6 for each slot level above 1st.

Source: Xanathar's Guide to Everything, p. 155 - Licenses and attribution