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Lelouch’s extravagant directorial style fused New Wave speed and Hollywood schmaltz intoxicatingly.

"Since wave speed varies with material type, the first arrival time of the wave on top of the surface differs for different service line materials," they wrote.

Initial shock wave speed was estimated at 640 mph.

Finally, because the authors recorded waves travelling in all directions across their array, they were able to account for the contribution of anisotropy to wave speed.

Fast wave speed anomalies appear in areas with a history of subduction, indicating relatively cold and dense mantle material driving downward flow.