List: Mass Shootings in the Last Decade in California

Despite some of the strictest gun laws in the country, California has a troubled and bloody past when it comes to mass shootings. And in 2023, it was the worst January yet for mass shootings in the nation – the worst of which were in the Golden State.

In this map, we reveal mass shootings from the last decade.

Click or hover over each point to learn more.

For the purposes of classifying this content, mass shootings are defined by the Gun Violence Archive as at least four people being killed or injured in a shooting, not including the shooter.
Map: Heather Navarro and Nina Lin Source: NBC