The Cascadia earthquake in January 1700 produced a tsunami that traveled all the way across the ocean and hit Japan with 16-foot waves. That's what mag 9 looks like.
The Cascadia earthquake in January 1700 produced a tsunami that traveled all the way across the ocean and hit Japan with 16-foot waves. That's what mag 9 looks like.
Similarly, the Boxing Day tsunami in 2004 was from a 9.1 magnitude quake in Indonesia.