KnowraFocal mechanismLinked fromLinked fromThe 3 pages that link to Focal mechanism, each with the reason it gives.All 3Related 3Thrust faultRelated: It identifies compressional earthquake slip consistent with reverse or thrust motion.Strike-slip faultRelated: It helps identify strike-slip motion from seismic-wave observations.Volcano seismologyRelated: It helps distinguish volcanic fracture patterns from other sources of seismicity.