Complex sentence: Due to the very shallow focal depth of the quake, heavy shaking was reported in many adjacent areas; the strongest ground motion was registered in Ishikawa town at VIII (severe) on the Mercalli intensity scale.
Split into simpler sentences: Due to the very shallow focal depth of the quake, heavy shaking was reported in many adjacent areas. The strongest ground motion was registered in Ishikawa town at VIII (severe) on the Mercalli intensity scale.