Google has officially announced the first panda update of the year 2013 and this is the 24 th update till date. This panda refresh has impacted about 1.2% of English based search according to to the search giant Google.
Please note that the previous panda update is no # 23 and that happened on the December 20, 2012 (which impacted 1.3% of English based searches).
Last week there were so many rumors about the Google update but the company denied it and now they are back with an official announcement.
Note : Please see this if you want to know what are google panda updates.