How do you start the earthquake in THPS 3+4? You can start an earthquake in Los Angeles with just a skateboard, causing a highway to collapse. Once you do this, youll be able to help stop the ongoing car chase, clearing all the goals in Los Angeles.Weve seen some wacky things in Tony Hawks Pro Skater 3 + 4, and being able to start the earthquake in Los Angeles by grinding on some rails is just the tip of the iceberg. Remember, this is the same skateboard game where you can unlock a Spongebob level by jumping off a pirate ship at the right time. Through the magic of skateboarding, anything is possible. Continue reading Start the earthquake in THPS 3+4MORE FROM PCGAMESN: Best skateboarding games, Best sports games, Best PC games