<declan_murphy@hotmail.com> wrote:

> 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?

Yup. They even have earthquakes in England. Admittedly not very big
ones.

Apparently, large dams can trigger earthquakes too.

________________________________________________________________________
                   Louise Bremner (log at gol dot com)
   If you want a reply by e-mail, don't write to my Yahoo address!