California residents got an early wake-up call Tuesday as three separate earthquakes shook different parts of Northern California within an eight-hour span. While none of the tremors caused damage, the cluster of seismic activity serves as a reminder that earthquake preparedness remains essential for West Coast residents.
The U.S. Geological Survey recorded all three quakes, with magnitudes ranging from 2.2 to 2.8. The activity began before dawn and continued into mid-morning, affecting communities from the Bay Area to the Eastern Sierra region.
First tremor strikes overnight
1. Bayview area: The strongest of the three earthquakes hit near Bayview in Contra Costa County at 1:35 a.m. The 2.8 magnitude tremor originated 12 miles underground, with its epicenter located roughly 15 miles northwest of Bayview. Most residents likely slept through this one, given the early hour and relatively low magnitude.
2. Kentfield rattled: A 2.2 magnitude earthquake shook the Kentfield area in Marin County at 6:52 a.m., catching some residents during their morning routines. This tremor occurred 10 miles deep, with its epicenter situated about one mile southwest of Kentfield. At least eight people submitted reports through the USGS online form confirming they experienced the shaking…