To put it in context, the highest recorded event was 0.8 on the 26/10
Under 2.0 almost nobody would feel it.
Under 1.0 nobody can feel it.
That doesn't mean multiple small ones will not destabilise the ground to such an unknown extent that future small ones will have no effect.
In simple terms, if you tap a brick with a small hammer it probably won't break. You continuously keep tapping it and eventually it will. May take a long time but it will happen and you won't be able to predict when.