The 1928 Chachapoyas earthquake occurred on May 14 at 17:14 local time.

Chachapoyas, Peru was almost completely destroyed.

A landslide in Pinpincos caused the death of 25 people.

A strong aftershock occurred on July 18, 1928, at 14:05 local time (19:05 UTC).

[9] Some houses which had already been damaged in the main shock collapsed.