Magnitude 4.3 Earthquake Strikes San Francisco Bay Area

Scientific AmericanMonday, September 22, 2025 at 2:30:00 PM
NeutralScience
A magnitude 4.3 earthquake struck the San Francisco Bay Area early this morning, centered along the Hayward fault line. While such tremors can be alarming, this earthquake is considered moderate and is a reminder of the region's seismic activity. It's important for residents to stay prepared and informed about earthquake safety.
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