The steam boat Cabo Machichaco exploded in Santander. Ybarra, a member of Bilbao, travelled between Bilbao and Seville. In the port of Santander there was a fire on board which caused great expectation in the surroundings. However, the ship ' s cargo included 51 tons of dynamite, which, according to its officers, had not been reported, causing a spectacular explosion. 590 deaths and hundreds injured, many Basques. It completely destroyed the environment.