You can say that something is shocking if you think that it is morally wrong. It is shocking that nothing was said + shockingly shock·ing·ly Shockingly, this useless and dangerous surgery did not end until the 1930s. see also shock
Causing to shake or tremble, as by a blow; especially, causing to recoil with horror or disgust; extremely offensive or disgusting
You can say that something is shocking if you think that it is very bad. The media coverage was shocking = appalling + shockingly shock·ing·ly His memory was becoming shockingly bad
giving offense to moral sensibilities and injurious to reputation; "scandalous behavior"; "the wicked rascally shameful conduct of the bankrupt"- Thackeray; "the most shocking book of its time"
glaringly vivid and graphic; marked by sensationalism; "lurid details of the accident"