Why world was far better prepared for ocean quakes this time than in 2004 The world breathed easy as Japan and Hawaii downgraded, and Russia lifted its tsunami warnings. No casualties were reported till late...
source https://timesofindia.indiatimes.com/blogs/toi-editorials/tsunami-lessons/
source https://timesofindia.indiatimes.com/blogs/toi-editorials/tsunami-lessons/