Lubrication pressure and fractional viscous damping effects on the spring-block model of earthquakesG. B. Tanekou, C. F. Fogang, R. Kengne and F. B. PelapEur. Phys. J. Plus, 133 4 (2018) 150DOI: https://doi.org/10.1140/epjp/i2018-11978-y