Parkfield's location on the San Andreas Fault makes it highly susceptible to earthquakes, including potentially damaging ones. While most tremors are minor and go unnoticed, the risk of a major earthquake remains. The town has experienced several significant quakes since the 1800s, with the last major one in 2004. The area's seismic activity poses risks to infrastructure and safety, although its small population limits widespread impact. The ongoing scientific monitoring helps researchers better understand earthquake patterns but has not yet led to reliable prediction methods.