Berkeley’s decision to evacuate the marina followed the data, a state expert told Berkeleyside: “That’s a good thing. Especially in this particular event.”

The odds of a worst-case tsunami hitting Berkeley in the next 50 years are 1 in 20, experts say. Such an event could cause up to 10-15 feet of flooding.

Because they are so rare, it’s hard to predict how much damage a tsunami might cause in Berkeley. But it can be significant.