Other possible mechanisms include gravitational collapse of crust overthickened during the Paleogene to early Neogene or the effects of the continuing propagation of the North Anatolian Fault towards the southwest.

[2] The rift that formed the Gulf of Corinth is bounded by large normal faults that vary in their polarity (dip direction) along its length.

Immediately to the east, the large south-dipping Kaparelli Fault forms the northern boundary to the onshore continuation of the rift zone.

[4] The final earthquake in the sequence occurred over ten days later at 21:58 UTC on 4 March, also with a magnitude of 6.4 Ms  and a maximum felt intensity of IX (MMI).

[7][1] Both onshore and offshore areas were affected by landslides with one large underwater slump possibly the cause of the observed local tsunami.