What is it about?
We use cutting-edge technology to look closely along the San Gregorio Fault Zone for deformation on the seafloor and just below the seafloor, offshore central California. We present direct evidence of Pleistocene fault activity in a wide and complex fault zone, as well as decreased fault activity to the south and over time.
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Why is it important?
The San Gregorio Fault Zone is a major structure in the San Andreas Fault System boundary between the North American and Pacific plates through California. Our high-resolution, extensive study of the San Gregorio Fault Zone in deep water (>1000 m water depth) provides scenarios for future probabilistic seismic hazard modeling, which unpins hazard assessment for California communities.
Perspectives
I enjoyed working on this challenging study with amazing collaborators at MBARI. What a great opportunity to pursue innovative science critical to hazard assessment in my backyard! Also, check out the data release associated with this publication: http://dx.doi.org/10.5066/F7J67F2K
Katherine L Maier
Read the Original
This page is a summary of: Investigation of Late Pleistocene and Holocene Activity in the San Gregorio Fault Zone on the Continental Slope North of Monterey Canyon, Offshore Central California, Bulletin of the Seismological Society of America, April 2017, Seismological Society of America (SSA),
DOI: 10.1785/0120160261.
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