Hayward Fault

fault zone, California

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July 19, 2026

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The Hayward Fault is a significant geological feature located in California, specifically in the San Francisco Bay Area. It is a seismically active fault zone that runs through Alameda County. This fault is part of a larger system of faults in California, including the well-known San Andreas Fault, which marks the boundary between the Pacific and North American tectonic plates. Movement along these faults can cause earthquakes, and the Hayward Fault is known to be a source of seismic activity. The city of Hayward itself is situated on this active fault line.123

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California
Relief
The Hayward Fault in the San Francisco Bay Area and the San Gabriel fault zone in metropolitan Los Angeles have produced several major earthquakes, though the destructive quake centered in the Los Angeles suburb of Northridge in 1994 occurred along one of the San Andreas’s larger…
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The Hayward Fault in the San Francisco Bay Area and the San Gabriel fault zone in metropolitan Los Angeles have produced several major earthquakes, though the destructive quake centered in the Los Angeles suburb of Northridge in 1994 occurred along one of the San Andreas’s larger…
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Hayward
…located on the seismically active Hayward Fault. It is the seat of California State University, East Bay (1957), and a community college (1961). The Hayward Shoreline Interpretive Center features exhibits about the shoreline region, now being restored to marshland. The city’s Japanese Gardens are also noteworthy. Inc. 1876. Pop. (2010)…
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…located on the seismically active Hayward Fault. It is the seat of California State University, East Bay (1957), and a community college (1961). The Hayward Shoreline Interpretive Center features exhibits about the shoreline region, now being restored to marshland. The city’s Japanese Gardens are also noteworthy. Inc. 1876. Pop. (2010)…
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