100000,0000000000
Nobody knows how many earthquakes can happen in a year because you cannot predict earthquakes. :)
Earthquakes happen every day, all around the world. On March 20, 2014, a total of 38,289 earthquakes had happened in the past year.
1000+
more than a thousand each year
3-4
Usually none, can sometimes happen, i.e. 0-2 per year
i believe there is 17 in all i don't really know
18
never
1,000,001
On average, 102 occur per day, with 37,283 occurring per year.
According to GeoNet, around 20,000 earthquakes happen in and around New Zealand each year. Fortunately, only around 250 of those are strong enough to be felt.