Earth tremor (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">earth tremor</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for quake that I've seen before include "Tremble, shake" , "Tremble (in one's boots?)" , "Vibration of the earth" , "Tremble (with fear)" , "Shudder with fear" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">earth tremor</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Another definition for seism that I've seen is " Earth-shattering event".)