In conversation with Assistant Professor Judith Hubbard, Principal Investigator at the Earth Observatory of Singapore
1. Why it is important to understand tsunami generation? Recent earthquakes in New Zealand triggered tsunami warnings along coastal communities, yet no tsunamis resulted. Why was this so?
These recent events in New Zealand highlight the fact that tsunami warning systems have to do two things: first, they have to identify which earthquakes can produce tsunamis, and second, figure out which earthquakes won’t. This is difficult to do because the process of tsunami generation is complex and depends on a lot of factors.
In general, when people talk about an earthquake, they are referring to the shaking that we feel as a result of a...