How many times does a volcano erupt a day?

There is no fixed length to an erruption, it varies from volcano to volcano. a volcano can erupt in days or more than its depend on its manner .

sixty-nine

There is no sure way to tell if and when a volcano is going to erupt.

Very varied. Some volcanoes erupt almost continuously, others erupt at periods of some hundreds of years.

I have no idea i don't get the point of this i mean who really cares...