‘Rainbow Cloud’ appears in the sky above the Philippines

A spectacular sight occurred high in the sky above the Philippines on April 23, 2017. It almost resembles some kind of giant craft with multiple independent color levels.
It is said that the rare phenomenon is a so-called fire rainbow which occurs when sunlight refracts through ice-crystal clouds or this phenomenon could be the effect of electromagnetic plasma ionization, a disruption of the Earth’s magnetic field and/or ionosphere in the region of tectonic stress, resulting in the observe