KnowraS-waveLinked fromLinked fromThe 17 pages that link to S-wave, each with the reason it gives.All 17Broader topic 10Related 4Compared with 3Earthquake early warning systemRelated: Its later arrival often marks the onset of stronger shaking that an alert aims to precede.Core–mantle boundaryRelated: Its disappearance beyond the boundary is evidence that the outer core is liquid.Beno GutenbergRelated: The disappearance of direct S waves beyond certain distances supports a liquid outer core.Focal mechanismRelated: Its radiation pattern helps constrain source orientation in waveform-based mechanisms.