It is caused by that in most cases, immediately after touching the ground (wet), the vast majority of the remaining energy shocks uniformly distributed preferably by tha shortest paths with the lowest resistance just below ground.
Ni Husababishwa na Kwamba katika hali nyingi, Mara baada ya kugusa ardhi (mvua), idadi kubwa ya majanga ya nishati Kubakia kusambazwa enhetligt vyema mapito tha mfupi na upinzani Chini tu chini ya ardhi.