Reported M6.7 Mid-Atlantic Ridge quake is dated Tuesday, not 4 November
The largest quake in the reports gathered, a magnitude 6.7 on the central Mid-Atlantic Ridge, was described as striking on Tuesday at 11:14 am IST. Our calendar puts Tuesday on 3 November, one day before the UTC day that counts. These are secondary reports, not catalog entries, so the timing is reported rather than established.