41. IMjima is one of three volcanic islands , two of which lie on the caldera rim. 42. Wadati Benioff zone earthquakes develop beneath volcanic island arcs and continental margins above active subduction zones. 43. There are several volcanic islands within the lake. 44. _Polynesian tree snails ( Partula ), include more than 100 species native to Pacific volcanic islands . 45. No one was prepared, really, for the rocky volcanic island , the fierce Japanese defense, the casualties. 46. On these volcanic islands , isolation and time conspired to create a vast diversity of unique species. 47. Payne said hundreds of weapons remained in the hands of people living on the mountainous volcanic island . 48. Only 216 of the 22, 000-man Japanese garrison survived the 36-day battle for the small volcanic island . 49. Soon the entrance to horseshoe-shaped Deception Island _ a partially submerged volcanic island _ came into view. 50. The volcanic islands are beautiful but impoverished.
