How strong and extraordinary was the Hunga Tonga Hunga Ha'apai volcanic explosion ? (VEI 4 or 5)

Hunga Tonga Hunga Ha'apai island lay in the pacific ocean and are part of the kingdom of Tonga

The big explosive eruption from 15th of january on the Hunga Tonga Hunga Ha'apai island has made world news as it is one of the biggest volcanic explosions in the last decades.

Well. How can we rate this one and how big was it compared to other explosive eruptions. We do not have all the information, but from what is available we made this movie

200.000 lightning crashes
damage in almost all pacific coastal area's
a VEI 4 or 5 scale eruption

Credits and some sources :

  / 1482358401204162561  
https://theconversation.com/why-the-v...
   / @tongageologicalservices  
  / 1482358401204162561  
Footage from december eruption come from    / @tongageologicalservices