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Super Moon Nonsense!!

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13 years 9 months ago #88579 by daveg
Replied by daveg on topic Re: Super Moon Nonsense!!
nah youre first coment was right Keith. if that was the case surely the strongest tidal force will b on the 19th and earthquake shouldve happened then. anyway these quakes are caused by subduction - sea plate being pushed under continental plate and the resulting earthquake is the final part of a much longer process

dg

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13 years 9 months ago - 13 years 9 months ago #88589 by dave_lillis
Replied by dave_lillis on topic Re: Super Moon Nonsense!!
Stephen James o'Meara did some emperical work on this a while back and he though he could see a pattern, not that it matters anyway, it's not like you can act on anything before hand, its all after the fact..

Dave L. on facebook , See my images in flickr
Chairman. Shannonside Astronomy Club (Limerick)

Carrying around my 20" obsession is going to kill me,
but what a way to go. :)
+ 12"LX200, MK67, Meade2045, 4"refractor
Last edit: 13 years 9 months ago by dave_lillis.

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13 years 9 months ago #88600 by daveg
Replied by daveg on topic Re: Super Moon Nonsense!!
thats v interesting Dave do you have a link for that work.

DG

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13 years 9 months ago #88602 by Calibos
Replied by Calibos on topic Re: Super Moon Nonsense!!

daveg wrote: nah youre first coment was right Keith. if that was the case surely the strongest tidal force will b on the 19th and earthquake shouldve happened then. anyway these quakes are caused by subduction - sea plate being pushed under continental plate and the resulting earthquake is the final part of a much longer process

dg


Hey, I do remember enough of my school geography lessons to know about subduction and the massive forces and tensions that build up until they are realised in the form of a earthquake :laugh:

I wasn't intimating that the moon may have caused the earthquake all by itself merely that the idea that it was a trigger might not be as outlandish as I first thought. Its probably still an outlandish idea just not quite as outlandish! :laugh:

ie. that while a certain amount of forces and potential energy needs to build up naturally before it reaches a critical point and releases and that generally the gravitational tidal forces of the moon aren't enough to tip it over the edge, but maybe coming up to perigee, the tidal forces, albeit not greatly increased might just increase enough beyond a tipping point, that if it occurs around the time that a subduction zone is getting ready to 'pop'...well that it could concievably be the straw that broke the camels back. Of course this quake was going to happen no matter what, but maybe the approach of perigee advanced the countdown clock as it were.

Keith D.

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13 years 9 months ago #88607 by dave_lillis
Replied by dave_lillis on topic Re: Super Moon Nonsense!!

daveg wrote: thats v interesting Dave do you have a link for that work.

DG

He mentioned it at the WSP a number of years back, he was seeing a pattern between volcanic activity and particular alignments of the sun/moon, and I saw him on some discovery channel program about it aswell, although I've seen nothing on the web about it relating to him. He lives in hawaii so I guess he sees more volcanoes then most.

Dave L. on facebook , See my images in flickr
Chairman. Shannonside Astronomy Club (Limerick)

Carrying around my 20" obsession is going to kill me,
but what a way to go. :)
+ 12"LX200, MK67, Meade2045, 4"refractor

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