Unfortunately, random events cannot be modded. So the answer is no
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"Easy-slay(TM) is a whole new way of marketing violence. It cuts down on all the red tape and just butchers people. As a long-time savagery enthusiast myself, I'm very excited about the synergies that the easy-slay(TM) approach brings to the entire enterprise." -Dr DrP
Although, Illuminated One created a scripting framework here that could potentially be used to do some limited random event type scripting. Wouldn't be the same as the in-game events though.
AFAIK, no one has used this, other than Illuminated One's proof of concept mod.