[Island Chris]

Following up on Roger, there is a M6+ quake on average every 2 or 3 days. Since many of these would be aftershocks of much larger quakes, then the actual dates of M6-7 quake occurrence would be less often.

I know Duffy was joking, but earthquakes/Earthwaves is a hobby for me also. I probably know less about Radon/ionosphere than Duffy, Brian, or Roger. My professional work is on faults and folds, including active ones, so I do know a fair amount about "seismotectonics".

It is really clear from his posts that Duffy has a scientific approach. It clearly contrasts with others who used to post here. On the other hand, time will tell over the next few years whether Duffy is willing to accept or at least consider well-supported critical comments that are made here. For example, that there are >100 M 6 quakes/year, and I think it is something like 18 M7+ quakes/year.

Chris