Mario Baratta (1901). I terremoti d'Italia: Saggio di storia, geografia e bibliografia sismica italiana (in Italian). Torino: Fratelli Bocca. pp. 22–23. makes no mention of Ivrea in his discussion of this earthquake. Neither does the Wikipedia article. Other very large earthquakes in the area took place in Liguria in 1136 (Baratta, p. 25), and in Genoa on 15 August 1182 (Baratta, p. 28).
Born in Biella, Riccardi had degrees in theology and Canon Law. He taught dogmatic theology at the seminary in Biella, and became a Canon and then Provost of the Cathedral Chapter. He served as Vicar Capitular and then as Vicar General. He was appointed bishop of Ivrea on 15 July 1878 by Pope Leo XIII, and was consecrated on 15 August by Bishop Leto of Biella. On 7 June 1886 Riccardi was appointed Bishop of Novara by Pope Leo XIII, and in 1892 he was transferred to Turin (1892–1897). He died on 20 May 1897. Marco Neiretti; Roberta Reinerio (1998). Lettere pastorali dei vescovi delle diocesi di Biella e Ivrea (in Italian). Torino: Fondazione Carlo Donat-Cattin. p. 145. Ritzler-Sefrin, VIII, pp. 324, 420, 538.
Richelmy was a native of Turin. He was appointed Bishop of Ivrea by Pope Leo XIII on 7 June 1886, and was consecrated on 28 October. He was transferred to the diocese of Turin on 18 September 1897, and was named a cardinal on 19 June 1899. He died on 10 August 1923. He was a vocal opponent of Christian democracy: Walter E. Crivellin (2008). Cattolici, politica e società in Piemonte tra '800 e '900 (in Italian). Torino: Effata Editrice IT. pp. 35–36. ISBN978-88-7402-424-7. Attilio Vaudagnotti, Il cardinale Agostino Richelmy, (Torino, Roma: Marietti, 1926). Ritzler-Sefrin, Hierarchia catholica VIII, pp. 48, 51. Harris M. Lentz (2002). Popes and Cardinals of the 20th Century: A Biographical Dictionary. London: McFarland & Company. pp. 155–156. ISBN978-0-7864-1094-1.
Dioecesis Eporediensis, Il Vescovo di Ivrea Sua Eccellenza Reverendissima Mons. Edoardo Aldo Cerrato, C.O.; retrieved 31 January 2018 (biography of the bishop, in Italian) On October 7, 2012, Msgr. Edoardo Aldo Cerrato, C.O., former Procurator General of the Confederation of Oratories of Saint Philip Neri, was installed as Bishop of the Diocese of Ivrea.
