if !timer.Exists( "earthquake" ) then

        timer.Create( "earthquake", 0.5, 500, function()

            for _, p in pairs(player.GetAll()) do

                p:SetPos( p:GetPos() + Vector( 0, 0, 1 ) )

                p:SetVelocity( Vector( math.random( -50, 50 ), math.random( -50, 50 ), math.random( 100, 150 ) ) )

                util.ScreenShake( p:GetPos(), 20, 1, 1, 100 )

                p:EmitSound( "ambient/explosions/exp1.wav", 100, math.random( 60, 100 ) )

            end



            for _, e in pairs(ents.GetAll()) do

                if e:GetPhysicsObject() and e:GetPhysicsObject():IsValid() then e:GetPhysicsObject():AddVelocity( Vector( math.random( -50, 50 ), math.random( -50, 50 ), math.random( 100, 150 ) ) ) end

            end





        end)

        else

            timer.Remove( "earthquake" )

        end