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It is going to takeawhile to skim this thread again, butI justfeeltheneed to do it. I don't know why.
Seismologists refer to the direction of slip in an earthquake and the orientation of the fault on which it occurs as the focal mechanism. They use information from seismograms to calculate the focal mechanism and typically display it on maps as a "beach ball" symbol. This symbol is the projection on a horizontal plane of the lower half of an imaginary, spherical shell (focal sphere) surrounding the earthquake source (A). A line is scribed where the fault plane intersects the shell. The stress-field orientation at the time of rupture governs the direction of slip on the fault plane, and the beach ball also depicts this stress orientation. In this schematic, the gray quadrants contain the tension axis (T), which reflects the minimum compressive stress direction, and the white quadrants contain the pressure axis (P), which reflects the maximum compressive stress direction. The computed focal mechanisms show only the P and T axes and do not use shading.
Originally posted by Doodle19815
reply to post by jadedANDcynical
I know I sound like I might need a straight jacket at this point. I am WAAYY of topic from the original OP but, we always did stray a little didn't we. Unfortunately, I have only been looking at quakes for under a year now and don't even know the kindergarten level stuff yet.
As I type this my ears are starting to develop a sharp pain low down by my jaw. This is bringing me back full circle. I came here remembering people saying that they had pressure in the head and ringing ears. I didn't know if it was this thread or another but I think WC pointed me in the right direction.
Everything happens for a reason right?
You don't sound like you need a straight-jacket to this psychologist. Folks who can't handle non-linear; non-traditional, non-stereo-typic-pseudo-"scientific" sources of information need to wake up; get better informed and maybe get a life. I hope you keep posting your impressions. They may save someone's life.
Originally posted by Doodle19815
reply to post by BO XIAN
WOW, no really wow, thank you! I do a few of those but I see several in there I will be trying.
To add one to your list - when all else fails, log off of ATS
Originally posted by Doodle19815
reply to post by BO XIAN
WOW, no really wow, thank you! I do a few of those but I see several in there I will be trying.
To add one to your list - when all else fails, log off of ATS
Originally posted by westcoast
That's actually good advice. The week prior to the Japan quake, I became almost obsessed with watching GEE, USGS and ATS. My physical symptoms were very strong and I finally had to just turn it all off. I actually called my sister earlier that day and told her that something really bad was going to happen and a lot of people were going to die. That I knew it would be a large quake...just not sure where. I managed to keep things off until 15 minutes before it hit. I had just posted and opened up GEE when it rolled through.
I have been learning since then. First; it is easy to always assume that's what it is. It is easy to become obsessed with it. Just be aware. Take care of yourself. When it gets to be overwhelming, turn of the computer. There isn't anything you can do except be prepared and aware.