On 2007 Nov 2 (Ls = 341[degrees]), Casquinha, Sanchez (illustrated elsewhere (4)), and Tyler (Figure 8) imaged a small bright dust core over Chryse Planitia (telescopic northern Xanthe), and two others nearby: one N.
Secondary dust cores originated around Solis Lacus and spread along Valles Marineris.
McKim adds: "The dust reached and dimmed Hellespontus to the east, but no dust core arose in neighboring Hellas, nor did the event penetrate beyond Solis Lacus to the west.
"By the 21st, fingers of dust had spread into, or more likely, secondary dust cores had freshly arisen over, northern Argyre and southern Solis Lacus," notes Richard J.
On Jul 31 (Adcock, Grafton, Kumamori, Maxson, Moore, Parker, Sherrod, Valimberti, etc.), the storm propagated even further south, as a bright dust core had arisen over Eos, at the E.
Dust cores were seen over Eos, Capri Chasma and Argyre, the dust reaching Solis Lacus and Aonius Sinus.