This page summarizes earthquakes in California (United States). The most recently recorded event was a magnitude M1.1 earthquake near Sonoma County on 2026-07-31 00:31:01 UTC. All event lists and map markers are limited to the last 30 days.
California is a U.S. state in the Western United States that lies on the Pacific Coast. It borders Oregon to the north, and Nevada and Arizona to the east; it also shares an international border with the Mexican state of Baja California to the south.
In 2026, California recorded 12594 earthquakes within United States. The average magnitude was M1.26. The strongest event reached M5.8.
Based on the number of recorded earthquakes in 2026, California is currently among the Top 5 most active regions in United States (rank #1 by count).
Considering the strongest recorded event in 2026, California is among the Top 5 strongest regions in United States (rank #2 by max magnitude).
Located on the North America Plate.
