MAVEN and MSL/RAD measurement of several possible HSS, CME, FD, and SEP events at Mars from 2015-12-11 until 2016-01-21. The top two panels show the parameters measured by MAVEN/SWIA in the upstream solar wind region: proton temperature (T_p ), particle density of alphas (n_a) and protons (n_p), solar wind velocity (v_x, v_y and v_z ) and its speed (v). The third panel shows the MAVEN/MAG measurement of IMF (B_x, B_y and B_z ) and its strength (B) in the upstream solar wind region. All vectors are in MSO coordinates. The next panel shows the integrated count rate “fint” approximately corresponding to protons ≥ 100 MeV in the MAVEN/SEP sensor 1 (averaged values of A and B sides). The last panel shows the dose rate measured by MSL/RAD on Martian surface with “dose0” standing for the original dose rate data while “dosef” for the filtered data using a notch filter to remove the variations at one sol frequency. Vertical lines denote the identified shocks with black and green lines for ICME- and SIR- related shocks respectively.