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248 earthquakes were recorded within 30 miles of Hayward in 2026, including M4.2 as the largest.
Hayward is located in Alameda County, California, within the seismically active San Francisco Bay Area. The region experiences regular seismic activity due to its proximity to major fault lines, including the Calaveras Fault.
This page provides a complete record of all earthquakes detected within 30 miles ofHayward during 2026. The data is sourced from the USGS earthquake monitoring network, which operates a comprehensive array of seismometers throughout California.
For real-time earthquake information, visit the Hayward Earthquake Today page, or explore our earthquake preparedness guide to learn how to stay safe.