This was an earthquake doublet (the shocks occurred at the same location on consecutive days).

It ruptured the Suliti segment of the Sumatran Fault Zone.

It ruptured the Sumani segment of the Sumatran Fault Zone and perhaps the northwestern part of the Suliti segment.

[5] Right lateral offsets were reported near the town of Solok.

[6] Near the Sumani segment, earthquake doublets occurred repeatedly.