Times jumbo 771 cryptic

[octogenarian]

shock as Mad Hatter runs more amok h ? l ? d ????? p 5/6 this clue is driving me as mad as the hatter

[TheNovice]

Earth Tremor (anagram of hatter and more plus r for runs). Think you've made a slight error somewhere

[octogenarian]

Thanks Thenovice I Think ive made more than a slight error in the surrounding bclues

[baitress]

35d - Experience.
23d - trial Run.
29d - metHod.
10d - agree to diffeR.
28d - islaMabad.
36d - Rallying cry.
the capital letters form part of the answer Earth Tremor.