Err, looks like we were hit by a polar jet https://en.wikipedia.org/wiki/Astrophysical_jet https://en.wikipedia.org/wiki/Astrophysical_jet so the energy doesn't

Err, looks like we were hit by a polar jet https://en.wikipedia.org/wiki/Astrophysical_jet https://en.wikipedia.org/wiki/Astrophysical_jet so the energy doesn't radiate equidirectionally. But still mindblowing, and thanks for doing the maths.