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On various pages of my site the page width differs. It's not consistent, as both some profile pages and some event pages are affected.
As you can see in the first section of the image, the width is as expected, the second part of the image, the SteelPanther event does not cover the entire width, which the third part of the image, the Gorgoroth event does cover the entire width.
Attachment pagewidth.png not found
This issue also happens on the frontpage-guest page.
Has anyone come across this, or are the JomSocial team able to advise?
This problem seems to be caused by your Joomla template, I switched to the default one(protostar) and everything seems to work just fine. So I suggest to contact with team which develope this style and I'm sure they'll be able to help you on this matter.