Garrotxa Volcanic Zone Natural Park ( Catalan : ' ) is a natural park area covering a Holocene volcanic field ( also known as the Olot volcanic field ' '' ) in Catalonia , northeastern Spain . The volcanos , of which there are about forty within the park , are no longer active , with the last eruption ( Croscat ) occurring about 11,000 years ago . However , the region is still seismically active , and a large earthquake in 1428 caused damage to buildings and twenty deaths in Barcelona , to the south . More recent earthquakes in 1901 and 1902 caused shaking but little damage
large earthquake in 1428
1428 Catalonia earthquake
Garrotxa Volcanic Zone Natural Park