B Robson wrote:
> tm wrote:
> >  B Robson wrote:
> >>tm wrote:
> >>> B Robson wrote:

> >>>>Volcanoes cause earthquakes? 
> >>>
> >>>Yes.
> >>>google-  volcano-tectonic earthquake
> >>
> >>Which volcano caused the recent earthquake off Sendai?
> > 
> > None. What's your point?
> 
> How many earthquakes were caused by volcanoes?

Lazy shit. Do your own math. Subtract the number that weren't from the 
total and you'll know.