It was very active in late 18th century and 1991.In 1991, it created small dome by explosion then its collapse and explosion produced huge pyroclastic flows and ash-cloud surge that raced 4-5 kilometers, at speeds of 120-200 km/hour.
Nagasaki Ground Zero (27.09 mi / 43.59 km)
Honda Safety & Riding Plaza (32.95 mi / 53.03 km)
Hashima Island (35.52 mi / 57.17 km)
Autopolis International Racing Course (42.02 mi / 67.62 km)
Mt. Aso (45.01 mi / 72.44 km)
Seagaia Ocean Dome (86.65 mi / 139.46 km)
Ganryu Island (Ganryujima), formerly Funajima (88.27 mi / 142.06 km)