Update Amazing_PSS_Seminar.md

Amazing_PSS_Seminar.md

@@ -8,7 +8,7 @@
 
 | Date | Speaker | Title | 
 | ----------- | ----------- |----------- |
-| 12-04-2022 |  Amande Roque-Bernard (PSS/IPGP) | Preparation soutenance de these | 
+| 11-10-2022 |  Adrien Broquet ( Lunar and Planetary Laboratory/UoA, USA) | Geophysical evidence for an active mantle plume underneath Elysium Planitia, Mars  | 
 | 19-04-2022 |  Alice Jacob (PSS/IPGP) | Preparation soutenance de these | 
 | XX-03-2022 |  XX | Title | 
 | XX-09-2022 |  XX | Title |