Mezue ahịrịokwu na-esonụ: Otú ọ dị, ihe kachasị mkpa na-achịkwa ala ọma jijiji kachasị elu na mmebi, abụghị ogologo kachasị dịnụ, kama obosara dịnụ n'ihi na nke ikpeazụ na-agbanwe site na ihe nke 20. N'akụkụ mpempe akwụkwọ na-agbakọta, akụkụ nke ọdịda nke ụgbọ elu nke rupture dị oke ala, na-abụkarị ihe dịka ogo 10. N'ihi ya, obosara nke ụgbọelu n'ime elu brittle akpụkpọ nke ụwa nwere ike ịghọ (
Japan, 2011; Alaska, 1964), na-eme ka ala ọma jijiji kachasị ike.