Update 2020-06-23 (2): A destructive tsunami is no longer expected. However, travellers should continue to follow instructions by local authorities.
Update 2020-06-23: According to the U.S. Tsunami Warning System, a one to three meter high tsunami has been generated which will hit the coast of Salina Cruz at 11:23 a.m. (local time) and the coast of Puerto Madero at 11:41 a.m. (local time).
2020-06-23: A 7.4 M magnitude earthquake struck the 11 km SSW of Santa María Zapotitlán, Mexico region in a depth of 23.31 km. It is unlikely that the quake triggered a destructive tsunami. However, it cannot be ruled out that a small, local tsunami has been generated.
Maybe affected: Central America Pacific coast
Caution: Multiple tsunami waves could hit the coast hours after the earthquake.
Tsunami Warning Signs: Noticeable quakes, unusual rise or fall in sea level, local media warnings (sirens, light signals, radio, TV, text messages).
Suggested measures in case of signs of a tsunami:
Travellers should immediately leave the coastline.
Travellers should move inland and/or to higher ground (e.g. hills or mountains).
River mouths should be avoided.
It is advised to always follow warnings and instructions of the local authorities.
Higher ground should only be left after an official all-clear signal.
This event will be further monitored. Further information may follow.
A3M / USGS