Balvano is a small city and a commune in the province of Potenza. The recent history of Balvano is connected to several catastrophes. In 19…Balvano is a small city and a commune in the province of Potenza. The recent history of Balvano is connected to several catastrophes. In 1944, a steam train stalled in a nearby railway tunnel, suffocating over 500 people. It was also one of the towns nearly destroyed by the 1980 Irpinia earthquake.