It was the fourth-most-powerful earthquake in recorded history, with a moment magnitude of 9.2 (more than a thousand times as powerful as the 1989 San Francisco earthquake).
ɪt wʌzðə fˈoːɹθmˈoʊstpˈaʊɚfəl ˈɜːθkweɪk ɪn ɹᵻkˈoːɹdᵻd hˈɪstɚɹi, wɪð ɐ mˈoʊmənt mˈæɡnɪtˌuːd ʌv nˈaɪn.tˈuː mˈoːɹ ðˌænə θˈaʊzənd tˈaɪmz æz pˈaʊɚfəl æz ðə nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi nˈaɪn sˌæn fɹænsˈɪskoʊ ˈɜːθkweɪk.