Varied frequency dependent tidal triggering of low frequency earthquakes near Parkfield, California suggests very low fault zone friction and varied nucleation time

Lian Xue1, Roland Burgmann2 and Zeyan Zhao1, (1)ITAG Institute of Theoretical and Applied Geophysics, Peking University, Beijing, China, (2)Department of Earth and Planetary Science, University of California Berkeley, Berkeley, United States