This is a regular verb. It follows the conjugation pattern of the verb vivir.
PresentPresente
Aquí nunca ocurre nada interesante.
Nothing interesting ever happens here.
PreteritePretérito indefinido
El accidente ocurrió cerca de la estación.
The accident happened near the station.
FutureFuturo
La reunión ocurrirá el próximo martes.
The meeting will take place next Tuesday.