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National tsunami warning center

detects and analyzes earthquakes worldwide, issuing warnings to local officials

Pronunciation
/ˈnaʃənəl tsuːˈnɑːmi ˈwɔːnɪŋ sɛntə/
/ˈnæʃənəl tsuˈnɑmi ˈwɔrnɪŋ ˈsɛntər/