Lasting four minutes and thirty-eight seconds, the magnitude 9.2 megathrust earthquake remains the most powerful earthquake recorded in North American history, and the second most powerful earthquake recorded in world history.
lˈæstɪŋ fˈoːɹ mˈɪnɪts ænd θˈɜːɾiˈeɪt sˈɛkəndz, ðə mˈæɡnɪtˌuːd nˈaɪn.tˈuː mˈɛɡəθɹˌʌst ˈɜːθkweɪk ɹᵻmˈeɪnz ðə mˈoʊst pˈaʊɚfəl ˈɜːθkweɪk ɹᵻkˈoːɹdᵻd ɪn nˈɔːɹθ ɐmˈɛɹɪkən hˈɪstɚɹi, ænd ðə sˈɛkənd mˈoʊst pˈaʊɚfəl ˈɜːθkweɪk ɹᵻkˈoːɹdᵻd ɪn wˈɜːld hˈɪstɚɹi.