This page summarizes earthquakes in Orange County (United States). The most recently recorded event was a magnitude M1.4 earthquake near Anaheim on 2026-08-01 00:10:00 UTC. All event lists and map markers are limited to the last 30 days.
Orange County, officially the County of Orange, often initialized: O.C., is located in the Greater Los Angeles area in Southern California, United States.
In 2026, Orange County recorded 242 earthquakes within United States. The average magnitude was M1.50. The strongest event reached M2.7.
By event count in 2026, this region ranks #24 within United States.
Located on the Pacific Plate.
