Fault frictional heterogeneities can explain earthquakes with no foreshocks, accelerating foreshocks and earthquake swarms observed in central Alaska

Yoshihiro Kaneko1, Nealey E Sims2, Carl Tape3, Ryo Ito1 and Andrea Perez4, (1)Kyoto University, Graduate School of Science, Kyoto, Japan, (2)University of Alaska Fairbanks, Geophysical Institute, Fairbanks, United States, (3)University of Alaska Fairbanks, Geophysical Institute, Fairbanks, AK, United States, (4)Victoria University of Wellington, Wellington, New Zealand