The 1921 Massawa earthquake took place off the coast of Massawa, Eritrea, on August 14 with a moment magnitude of 6.1 and a Mercalli intensity of VIII (Severe).

The first aftershock after the initial earthquake was of similar magnitude.

Significant damage was caused to the harbour at Massawa with a number of deaths reported.

[3] Aftershocks were felt as far away as Asmara and Dekemhare.

This Eritrea-related article is a stub.