Tsunami Ready app released to help prepare Wellington for severe event 16 Mar, 2021 04:00 PM 3 minutes to read The app shows users how far they are from a safe zone in various locations. Image / Supplied The app shows users how far they are from a safe zone in various locations. Image / Supplied If a large earthquake hit near Wellington, a tsunami could reach the central city within just 10 minutes, modelling shows. The concerning figure makes it all the more important for locals to know their fastest route to safety - something which they can learn with a new, educational phone app that has been released for the region.