I think so,
two of my keywords went to 1st place.
Yes we are seeing same in several high traffic sites, about 50% decrease at exactly same time, must be going something very big.
doesn't look like an update here just normal serp changes
Looks like an update on the 20th, SERPs are fluxing all the time at the moment. Like bloody storm out there!
Panda rolls out every month or it could be Google dance.
On September 4th, and last week, August 21st, there were huge spikes in chatter amongst the SEO and webmasters about the Google search results shifting and changing. Google May Be Updating Their Algorithm But They Won't Confirm It.
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Yes.. You are correct mate.. Hope due to this update my clients sites SERP are swiped out..