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.
   The only way to be certain of call charges is to contact your  telephone service provider and check the charge for the specific  number you wish to dial.      Breakdown of charges     Calling an 0843, 0844, 0871 or 0872 number has three cost  components:    1.The Service Charge or premium.    This varies from 0.5p/min to 4.3p/min depending on exactly which  number you call.  The only way to be certain of call charges is to contact your  telephone service provider and check the charge for the specific  number you wish to dial.      Breakdown of charges     Calling an 0843, 0844, 0871 or 0872 number has three cost  components:    1.