<!DOCTYPE html>
<html lang="en-US">
<body>
<svg width="200" height="200" xmlns="http://www.w3.org/2000/svg">
<filter id="point">
<feTurbulence type="turbulence" baseFrequency="0.05"
numOctaves="2" result="turbulence"/>
<feDisplacementMap in2="turbulence" in="SourceGraphic"
scale="50" xChannelSelector="R" yChannelSelector="G"/>
</filter>
<circle cx="75" cy="75" r="70" style="fill:green;filter: url(#point)"/>
</svg>
</body>
</html>