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Published byAmice Wilkinson Modified over 9 years ago
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Ground Surface Breakage Due to Strong Shaking Mw 6.5 San Simeon earthquake of 12/22/03 [note: surface faulting has not been found]
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Strong shaking along a ridgeline, approximately 24 km southeast of the epicenter, caused tiles to slip off various roof sections. (Treiman, Manson)
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Cracks and ground settlement due to ridgetop spreading on Black Mountain, approximately 24 km southeast of the epicenter. (Manson)
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Cracks and ground settlement due to ridgetop spreading on Black Mountain, approximately 24 km southeast of the epicenter. (Manson)
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Uncemented stone wall, approximately 24 km southeast of the epicenter, has partially toppled due to ground shaking. (Treiman)
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Fissures from ridgetop spreading extend from the parking area of a house to a barn/shop structure. (site is ~25 km from the epicenter) (Treiman)
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Fissures from ridgetop spreading extend toward barn/shop structure. (Treiman)
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Ridgetop spreading has caused earth to pull away from concrete slab foundation of structure; fissures extend northeast into wooded slope. (Manson)
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Fissures from ridgetop spreading extend northeast into wooded slope. (Manson)
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