On Sunday night, people in the Bay of Plenty jumped into their cars after sirens went off - but that turned out to be a false alarm.
Yesterday the director of the National Emergency Management Agency Sarah Stuart-Black reassured us that everyone - even people in remote communities - would receive a clear tsunami alert when one is needed.
The official advice is if it's long and strong, be gone. It's advice that the township of Te Araroa took to heart in 2016 when a strong early morning earthquake shook them awake.
Aomihi Cook spoke to us back then as she waited on Hospital Hill for the all clear.
Cook reflected on her experience four years on for Morning Report.