TY - JOUR A1 - Mignan, A. T1 - Utsu aftershock productivity law explained from geometric operations on the permanent static stress field of mainshocks JO - Nonlin. Processes Geophys. J1 - NPG VL - 25 IS - 1 SP - 241 EP - 250 Y1 - 2018/03/29 PB - Copernicus Publications SN - 1607-7946 UR - https://npg.copernicus.org/articles/25/241/2018/ L1 - https://npg.copernicus.org/articles/25/241/2018/npg-25-241-2018.pdf DO - 10.5194/npg-25-241-2018 ER -