Those must be some REALLY close fitting ear buds............
I should think he could feel the ground trembling, though.
That may have been why he turned around. It probably would have been better for him if he hadn’t. He could have had an instant demise rather than preceding it with a brief moment of terror.
It sounds like he did feel the ground shaking probably 1-2 seconds before impact. I get the feeling that an altered state figured into the mix. Maybe alcohol or drugs but that's just a SWAG.
Obviously earbuds must be outlawed.