314. You Might Find This Riddle to Be Seismic 📶

Riddle 314:

I’m part of a brain and connected to sound. I have a length and am associated with ground. As a shock, I can feature noise and heat. And I’m also something you might see at the beach. What four-letter word am I?

Look for additional small clues in the title, background photo, and tags (tags are below).

Listen to the Video Riddle With Multiple-Choice Answers:

ANSWER IS HERE