Unlike body waves, surface waves (also known as long waves, or simply L waves) move along the surface of the Earth. Surface waves are to blame for most of an earthquake's carnage. They move up and down the surface of the Earth, rocking the foundations of man-made structures.
No 0844 is not a premium number, not a premium rate number, is not charged at high/premium rates, they are only up to 4.26pence per minute from a BT landline.
Yet call an 0844 number and you'll be charged up to 5.1p/minute, plus a connection fee of up to 15p. Plus many consumers don't realise 03 numbers are the same as geographic 01 and 02 numbers.