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. 2019 Feb 13;5(2):eaav3274. doi: 10.1126/sciadv.aav3274

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Copyright © 2019 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 2 — (A) The circles represent the location of all the LFE families. The filled circles represent the families of the NW Parkfield group. The gray dots indicate the relocated microseismicity from 1984 to 2011 (47). The hypocenter of the M_w 6.0 Parkfield earthquake is shown by the red star. (B) Cumulative number of LFEs per family (normalized by the total number and offset for clarity) of the NW Parkfield group and summed over the families (blue curve). (C) Daily count of LFEs in the group. The inverse triangles identify the 20 dates of LFE bursts used to align and stack windows of GPS time series. The dashed line indicates the threshold used to select the transient times. SE, southeast.