1985 Pichilemu earthquake
... that the 7.5 Mw 1985 Pichilemu earthquake lasted about three minutes?
... that the 7.5 <a href="./Moment_magnitude_scale" id="mwDDM" rel="mw:WikiLink" title="Moment magnitude scale">M<sub id="mwDDQ">w</sub></a> <b id="mwDDU"><a class="mw-redirect" href="./1985_Pichilemu_earthquake" id="mwDDY" rel="mw:WikiLink" title="1985 Pichilemu earthquake">1985 Pichilemu earthquake</a></b> lasted about three minutes?