Table 1. Cusp-Dayside Magnetosphere Interface Crossing ID Time, UT Region Speed, km/s vo/vi alphaio Cluster Order Comment 1 0130:40 into cusp vi = 4.8 C1- > C3- > C2- > C4 south and dawnward 2 0133:32 out cusp vo = 13.7 2.9 156degrees C4- > C2- > C3- > C1 south and duskward 3 0152:20 into cusp vi = 11.2 C1- > C3- > C2- > C4 south and dawnward 4 0204:30 out cusp vo = 29.3 2.6 127degrees C4- > C2- > C3- > C1 south and duskward 5 0212:30 into cusp vi = 12.4 C1- > C3- > C2- > C4 north and dawnward 6 0225:00 out cusp vo = 45.8 3.7 128degrees C4- > C2- > C3- > C1 north and duskward