Complex sentence: The 1873 Alpago earthquake occurred near the Italian city of Belluno on June 29 in the geologically active Alpago Valley of the Veneto region; the zone is rated as two on a four-degree risk scale (one being the highest).
Split into simpler sentences: The 1873 Alpago earthquake occurred near the Italian city of Belluno on June 29,1873. This took place in the geologically active Alpago Valley of the Veneto region; the zone is rated as two on a four-degree risk scale (one being the highest).