Based on the dictionary entry, what is the meaning of the word struck in this sentence? the earthquake that struck california measured 3.5 on the richter scale. strike (stryk) v. 1. to hit forcibly and intentionally with one's hand or a weapon or other object 2. to occur unexpectedly and have destructive or harmful effects strike (stryk) n. 1. a refusal to work planned by a group of employees as a form of protest 2. a sudden attack, mostly a military one