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.
But there's a big difference in how much these costs (see our Free 0800 Calls From Mobiles and Say No To 0870 guides for tips on cutting costs). 0845 numbers, for example, are free to call for up to an hour, during the inclusive minutes of your call package if you're a BT customer.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.pdate: 6 May 2015: The call costs in this article are likely to have changed since the time of publication, and a new law came into force in June 2014 which means callers pay no more than the standard rate of geographic numbers (beginning 01, 02, 03) when calling helplines post-contract.