Presentation on theme: "New paleoseismic data from the northern San Jacinto Fault Zone, southern California Nate Onderdonk (CSULB) Tom Rockwell (SDSU) Sally McGill (CSUSB) Gayatri."— Presentation transcript:
New paleoseismic data from the northern San Jacinto Fault Zone, southern California Nate Onderdonk (CSULB) Tom Rockwell (SDSU) Sally McGill (CSUSB) Gayatri Marliyani (SDSU) Funded by SCEC
2 topography along the fault zone (google earth?) 2 Image from http://www.atmos.ucla.edu/~alexhall/res.html Site Location- northern San Jacinto fault zone San Andreas Fault San Jacinto Fault
Conclusions Mystic Lake is a great source of paleoseismic info for the SJF and has potential for a long record Shallow trenches show evidence for 7 events in past 1700 years (avg. RI = 185 years) Non-Conclusions Some events may correlate with Hog Lake events? and maybe Wrightwood as well? if so: San Jacinto step-over is not a segment boundary, and neither is juncture with SAF
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