Fontana and nearby areas have been shaking more than usual — with 59 earthquakes reported in the last 30 days and 663 in the past year, according to EarthquakeTrack. While most have been minor, the sheer frequency has residents on edge.
The Latest Quakes
- Today: A 1.7-magnitude quake struck near East Hemet at a depth of 10 km.
- This Week: The largest was a 3.3 near Idyllwild-Pine Cove, shaking homes across Riverside County.
- This Month: A 4.3-magnitude quake hit Muscoy, the strongest in recent weeks.
- This Year: The biggest so far was a 5.2 near Julian, California.
Close to Home
Fontana itself felt a 2.7-magnitude quake just six days ago, while nearby Rancho Cucamonga, San Jacinto, and Corona also reported smaller tremors between 1.8 and 2.5 magnitude.
Recent 7-Day Snapshot
- 2.5 in Cabazon (2 days ago)
- 2.2 in Corona (2 days ago)
- 1.8 in Rancho Cucamonga (4 days ago)
- 2.5 in San Jacinto (4 days ago)
- 3.3 in Idyllwild-Pine Cove (6 days ago)
- 2.7 in Fontana (6 days ago)
Big Picture
Experts say Southern California’s Inland Empire region sits on several active fault lines, making it no surprise that Fontana regularly experiences tremors. Most are harmless micro-quakes, but the data shows just how seismically alive the area really is.
Safety Reminder
Officials recommend residents keep emergency kits ready, secure heavy furniture, and have a communication plan in case a larger quake strikes. With over 11 quakes in just the past week, staying prepared is key.