Bedeutung von “occur” — Learner’s Dictionary

occur

verb [ I ] us uk /əˈkɜːr/ present participle occurring, past tense and past participle occurred
Extra Examples
Accidents occur regularly on this stretch of the road.Evolution occurs as a result of adaptation to new environments.The most recent earthquake occurred in 2002.Steps have been taken to prevent such accidents from occurring in the future.The heaviest flooding occurred in the north of the country.

B2 formal to happen, often without being planned:

According to the police, the shooting occurred at about 12.30 a.m.
occur in/among, etc sth/sb

to exist or be present in a particular place or group of people:

Minerals occur naturally in the Earth's crust.
The disease mainly occurs in women over 40.

See also

(Definition von “occur” aus dem Cambridge Learner's Dictionary © Cambridge University Press)