瓦努阿图是一个岛国，它位于哪里？
瓦努阿图位于环太平洋地震多发带。[{'character': '瓦', 'pinyin': 'ua2', 'highest pitch': 10.96, 'lowest pitch': 8.53, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '努', 'pinyin': 'nu3', 'highest pitch': 10.96, 'lowest pitch': 6.96, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '阿', 'pinyin': 'a1', 'highest pitch': 10.39, 'lowest pitch': 6.96, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '图', 'pinyin': 'tu2', 'highest pitch': 8.81, 'lowest pitch': 6.91, 'duration': 0.37, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.14}, {'character': '位', 'pinyin': 'uei4', 'highest pitch': 9.04, 'lowest pitch': 7.01, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '于', 'pinyin': 'v2', 'highest pitch': 8.46, 'lowest pitch': 7.01, 'duration': 0.16, 'prosody hierarchy': '#2'}, {'character': '环', 'pinyin': 'huan2', 'highest pitch': 8.46, 'lowest pitch': 6.63, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '太', 'pinyin': 'tai4', 'highest pitch': 9.34, 'lowest pitch': 7.45, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '平', 'pinyin': 'ping2', 'highest pitch': 8.0, 'lowest pitch': 7.13, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '洋', 'pinyin': 'iang2', 'highest pitch': 8.03, 'lowest pitch': 6.2, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '地', 'pinyin': 'di4', 'highest pitch': 9.4, 'lowest pitch': 7.68, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '震', 'pinyin': 'zhen4', 'highest pitch': 8.22, 'lowest pitch': 6.89, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '多', 'pinyin': 'duo1', 'highest pitch': 9.25, 'lowest pitch': 8.92, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '发', 'pinyin': 'fa1', 'highest pitch': 9.84, 'lowest pitch': 9.17, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '带', 'pinyin': 'dai4', 'highest pitch': 10.22, 'lowest pitch': 6.36, 'duration': 0.23, 'prosody hierarchy': '#4'}]