Seismic surface waves travel along the Earth's surface. They can be classified as a form of mechanical surface waves. They are called surface waves, as they diminish as they get further from the surface. They travel more slowly than seismic body waves (P and S). In large earthquakes, surface waves can have an amplitude of several centimeters.
gnaw meaning, definition, what is gnaw: to bite or chew something repeatedly, usually making a hole in it or gradually destroyingâ¦. Learn more.
gross written premium (GWP) The total premium (direct and assumed) written by an insurer before deductions for reinsurance and ceding commissions. Includes additional and/or return premiums. Written does not imply collected, but the gross policy premium to be collected as of the issue date of the policy, regardless of the payment plan.