This is the 673rd most frequent Latvian word.
noticis
"Noticis" means "happened" or "occurred" in English.
Here, "noticis" is used in the perfect tense to ask about something that has occurred.
Kas ir noticis?
What has happened?
In this case, "noticis" indicates an event that has been completed in the past.
Vakar parkā noticis koncerts.
A concert took place in the park yesterday.
Here, "noticis" expresses the state of not having occurred, paired with the negation "nav."