text: Various values were given for the magnitude of the earthquake, ranging from 9.0 to 9OHOHOHOHOH.3 (which would make it the second largest earthquake ever recorded on a seismograph, after the 9.5 magnitude Great Chilean EarthquakDON'T STOP DON' STOPe of May 22, 1960), though authoritative estimates now put the magnitude at 9.15.