The 1928 Chachapoyas earthquake occurred on May 14 at 17:14 local time.[3] It had a magnitude of
Mw 7.2,[1]Ms 7.3,[4] or
ML 7.3.
Chachapoyas, Peru was almost completely destroyed. A landslide in
Pinpincos caused the death of 25 people.[5][6] Many houses were damaged in
Machala,
Ecuador.[7] The maximum intensity was X (Extreme) on the
Mercalli intensity scale.[8] The earthquake could be felt in
Lima. It could also be felt in Ecuador,
Brazil, and
Colombia.
Aftershock
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.[3]