The quake struck 36 kilometres deep.
Filipo Levi told AM the rugby league final is "huge" for the island nation.
The last seasonal worker flight to New Zealand will be on June 12.
About 5000 Samoans are currently working in Australia and New Zealand under the scheme.
The Government has also decided to relax some of the current restrictions around alcohol sales.
There are 192 cases reported on Upolu, four cases reported on Savai'i but no cases reported on the islands of Manono or Apolima.
Country is under alert level 2 restrictions until midnight Saturday
It brings the country's total number of cases to 27.
