Complex sentence: Wolf reaches a height of over 1700m, the caldera is 6 by 7 km and has a depth of 700m, only Cerro Azul has a caldera of similar depth in the Galapagos.
Split into simpler sentences: Wolf reaches a height of over 1700 metres; the caldera is 6 by 7 km and has a depth of 700m. Only Cerro Azul has a caldera of similar depth in the Galapagos.