Louise Bremner wrote:
> B Robson <front@00-love.jp> wrote:
>
> > Mr.Jason wrote:
> > >
> > > Japan is a country on volcanic land - most unsuitable for urbanization.
> > > This makes the land very fertile but also produces many earthquakes.
> >
> > Volcanoes cause earthquakes? That's a good one.
>
> There's a bit of confusion about cause and effect here, but yes, the
> process that creates volcanoes also tends to create earthquakes.

The "ring of fire" comes to mind. I assume its possible to have an
earthquake without volcanic activity, but not the reverse?