2015
DOI: 10.1130/ges01189.1
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Rates and patterns of surface deformation from laser scanning following the South Napa earthquake, California

Abstract: The A.D. 2014 M6.0 South Napa earthquake, despite its moderate magnitude, caused significant damage to the Napa Valley in northern California (USA). Surface rupture occurred along several mapped and unmapped faults. Field observations following the earthquake indicated that the magnitude of postseismic surface slip was likely to approach or exceed the maximum coseismic surface slip and as such presented ongoing hazard to infrastructure. Using a laser scanner, we monitored postseismic deformation in three dimen… Show more

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Cited by 26 publications
(24 citation statements)
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“…The locations with the highest coseismic slip experienced less postseismic slip than did the locations closer to the epicenter that experienced lower coseismic slip. The largest measured coseismic slip (0.46 m) was located 10.4 km north of the epicenter and is equal to the peak combined coseismic and postseismic slip (0.47 m) measured 1 year postevent at a location 6 km north of the epicenter [ Lienkaemper et al ., ; Wei et al ., ; DeLong et al ., ] (Figure ). Most postseismic slip occurred 3–9 km north of the epicenter, in areas underlain by alluvial deposits more than 60 m thick (Figure ) [ Kunkel and Upson , ].…”
Section: Coseismic Surface Rupture and Deformationmentioning
confidence: 99%
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“…The locations with the highest coseismic slip experienced less postseismic slip than did the locations closer to the epicenter that experienced lower coseismic slip. The largest measured coseismic slip (0.46 m) was located 10.4 km north of the epicenter and is equal to the peak combined coseismic and postseismic slip (0.47 m) measured 1 year postevent at a location 6 km north of the epicenter [ Lienkaemper et al ., ; Wei et al ., ; DeLong et al ., ] (Figure ). Most postseismic slip occurred 3–9 km north of the epicenter, in areas underlain by alluvial deposits more than 60 m thick (Figure ) [ Kunkel and Upson , ].…”
Section: Coseismic Surface Rupture and Deformationmentioning
confidence: 99%
“…These include a component of vertical deformation that indicates centimeter‐level uplift on the west side of the fault, consistent with long‐term west side up displacement manifested by higher topography and gravity values west of the fault zone [ Langenheim et al ., ]. This is supported by analyses of lidar data [ DeLong et al ., ] and spaceborne SAR and GPS data [ Polcari et al ., ].…”
Section: Comparison Of Slip Distribution From Field and Remote Sensinmentioning
confidence: 99%
“…These include the 2004 M6.0 Parkfield, California earthquake; the 2004 M6.6 Niigita Ken Chuetsu earthquake in Japan [62]; the 2010 M7 El Mayor-Cucapah earthquake in Baja California, Mexico [63]; the 2009 M6.3 L'Aquila earthquake in Italy [64]; and the 2014 M6.0 South Napa earthquake [40,65].…”
Section: Lidarmentioning
confidence: 99%
“…For more complete descriptions of the processing required to acquire and analyze these data, we direct the reader to a recent review of lidar and other high-resolution topographic data [53], and, for an example of terrestrial laser scanner collection and processing, a recent study of surface rupture associated with the South Napa earthquake [65].…”
Section: Lidarmentioning
confidence: 99%
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