A 4.6 magnitude earthquake shook Santa Cruz County early Thursday morning, according to the United States Geological Survey.
The earthquake was initially registered with a magnitude of 4.9 but was downgraded to magnitude 4.6 shortly after 2:45 a.m. It initially hit at around 1:40 a.m. and was centered in the Boulder Creek area of the Santa Cruz Mountains, according to the USGS.
The earthquake was also felt in the South Bay, including parts of San Jose, Los Gatos, and Santa Clara, as well as in other regions of the Bay Area.
The quake is believed to have originated just west of the San Andreas Fault.
As of 5:00 a.m., no aftershocks have been reported in the area. You can track the latest earthquake activity via our real-time quake tracker here.
There have been no reports of damage.
CAL FIRE CZU enacted its earthquake procedure and inspected all buildings. No damage has been detected.
— CAL FIRE CZU (@CALFIRECZU) April 2, 2026
This is a developing story. Details may change as more information becomes available. Stay tuned for updates.

BAY AREA QUAKE CENTRAL
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The 4.6 quake that struck Santa Cruz County in the early morning Thursday hours awoke many across different parts of the Bay Area.
Are you prepared for the next big one?