3 Earthquakes, Including 4.9, Strike Off Northern CA Coast

SAN FRANCISCO — Northern California's earthquake faults has been active over the past week including two shocks over 4.0 and three over 3.0.

The latest is a cluster of three earthquakes off the coastline in the Pacific Ocean, about 170 miles northwest of Eureka.

RELATED:

• Earthquake Preparedness: Must-Have List

• Earthquake Preparedness For CA Pet Owners

According to the the U.S. Geological Survey, at 2:26 a.m. Thursday, a 3.5 magnitude quake occurred, followed two minutes later by a 4.9 magnitude quake, and then a 4.5 tremor 20 minutes later.

On Wednesday evening, a 3.8 earthquake was centered in Discovery Bay.

On Thursday of last week, a 3.2 earthquake struck in Fremont.

No damage or injuries have been reported in connection with any of the quakes.

RELATED:

• Little Known Bay Area Fault Could Trigger The Next Big One
• Are You Living on a Fault Line?
• Fault Capable Of 8.0 Quake Awakens Thanks To Ridgecrest Temblors
• Long Overdue Eastern Sierra Quake Could Rock Reno, Lake Tahoe
• Most People Don't Know About Earthquakes

Bay City News contributed to this report.