This is the 9966th most frequent Japanese word.
起こり
"起こり" means "origin" or "occurrence."
起こり (originate/occur): Used here to refer to an event (earthquake) happening or transpiring.
地震が起こりました。
An earthquake occurred.
起こり (originate/initiate): Used here in the context of causing or initiating an event (a brawl).
彼は乱闘を起こした。
He caused a brawl.
起こり (wake/arouse): Used in this sentence to mean waking someone up or causing them to arise from sleep.