Ọdachi

áká_ịkẹngạ|thumb|369x369px| Mkpọmkpebe sitere na ala ọmajiji San Francisco 1906, nke e chetara dị ka otu n'ime usoro ikpe njọ na mberede ntolite United States
.   Ọdachi bụ nnukwu nsogbu na-eme n'ime oge nke na-ebute mfu mmadụ, ihe, mmetụta, akụ ma ọ bụ gburugburu ebe obibi nke ezinụlọ obodo ma ọ bụ ọha mmadụ ihe mmetụta iji nagide iji ihe nke ya.  A na-ekewa ịhụnanya gaa n' ụdị " ndị na-emere onwe ha " nke ihe ize ndụ ndị na-emere onwe ha na-akpata ma ọ bụ "ọdachi ndị mmadụ na-akpata" na-akpata site n'ihe ize ndụ  ndụ ụmụ mmadụ.  Otú ọ dị, n'oge a, nkewa dị n'etiti ngwaọrụ ndị sitere n'okike, nke mmadụ mere na nke mmadụ mere ngwa ngwa siri ike ise.

Ihe atụ nke ihe ize ndụ sitere n'okike egwu oke mmiri ozuzo, idei mmiri, ebili oyi mmiri na ebili mmiri ọkụ, ọkụ mmiri mmiri, ala ọma jijiji, ifufe, mbuze ala, àmụmà, mbufịt mbufịt, ọrụ mgbawa ugwu, ọkụ.  ike, na mmiri mmiri .  [1] Ọmụma nke ihe egwu anthropogenic tụrụ mpụ, ọgba aghara obodo, iyi egwu, agha, ihe egwu ụlọ ọrụ, ihe egwu injinia, ọkụ, ihe egwu ndị njem na-ebute, na ihe egwu gburugburu ebe.  obibi .

.  Mba ndị na-emepe egwu na-enweta nnukwu ego mgbe ụfọdụ dakwasịrị - ihe ụmụaka 95% nke ọnwụ niile nke ihe egwu na-akpata na-eme na mba ndị ka na-emepe ụzọ, na mfu n'ihi ihe ize ndụ sitere n  'okike ji okpukpu 20 uzo (dị ka kaadị nke nnukwu ụlọ ) na mba ndị ka na-emepe ụzọ ụzọ mba ndị mepere emepe

. Okwu sitere na Middle French désastre na nke si Old Italian disastro , nke n'aka nke ya sitere na prefix pejorative Greek ochie ochie δυσ - ( dus - ) "ọjọọ" [1]  na ἀστήρ ( aster ), "kpakpando".  [2] Mgbọrọgwụ nke okwu ahụ ("kpakpando ego" na Grik) sitere n'ịche echiche nke mmetụta a na-ata na ọnọdụ nke mbara ala

A na-ekewakarị ọdachi gaa n'okike ma ọ bụ nke mmadụ mere. Otú ọ dị, n'oge a, nkewa dị n'etiti ọdachi ndị sitere n'okike, nke mmadụ mere na nke mmadụ mere ngwa ngwa siri nnọọ ike ise.   

. Ọdachi dị a anya anya, bụ́ ebe a na-anya otu ihe agba ya, na-agha na mba ndị ka na-emepe gbara .  Ọdachi iche nwere ike ike esereselite ihe nke abụọ na-egosipụta.  Ihe atụ mara mma bụ ala ọma jijiji nke na-ebute mbufụt mbufịt, na-ebute idei mmiri n'afọ oké osimiri, na-ebute ihe nke ụlọ ọrụ ike (dị ka elekere Fukushima).  E kwuwo n ụzọ na- isiokwu ezi na-ekwu na ọ bụ ihe okike, dị ka ọkụ ọkụ na mmiri ozuzo acid

### metụtara ihe egwu eke
Ọdachi ndị nwere njikọ na ihe egwu okike ka a na-akpọkarị ọdachi ndị na-emere onwe ha n'agbanyeghị na a na-akpọ okwu a okwu ụgha kemgbe ogologo oge. 

ihe omume, gbadoro anya n'oge na oghere, nke obodo na-enwe nnukwu ihe egwu ma na-ebute mfu ndị dị otú ahụ na ndị òtù ya na ọdịdị anụ ahụ nke na-emebi usoro mmekọrịta ọha na eze ma gbochie mmezu nke ihe niile ma ọ bụ ụfọdụ ọrụ dị mkpa nke ọha mmadụ. Dị ka nkọwa ndị ọzọ nke ọdachi, nkọwa a ọ bụghị nanị na-agụnye akụkụ mmekọrịta nke mmetụta ọdachi na nrụgide nwere ike ịkpata ma na-elekwasị anya na mfu, na-egosi mkpa ọ dị maka nzaghachi mberede dị ka akụkụ nke ọdachi ahụ.  Otú ọ dị, ọ naghị ewepụta ọnụ ụzọ ma ọ bụ akpịrịkpa maka mmebi, ọnwụ, ma ọ bụ mmerụ ahụ, n'otu n'otu. &#x5B; ** &#x5D;
 

* International Federation of Red Cross na Red Crescent Societies - IFRC
* ReliefWeb nke Ụlọ Ọrụ Mba Ndị Dị n'Otu maka Nchikota nke Ọrụ Ndị Mmadụ - ReliefWeb
* Ụlọ ọrụ United Nations maka mbelata ihe egwu ọdachi - UNDRR
* EM-DAT Database International Disaster Database nke Center for Research on Epidemiology of Disasters
* Sistemụ Nkwakọba Ọdachi na Ọdachi zuru ụwa ọnụ - ntinye aka nke United Nations Office for Coordination of Humanitarian Affairs (OCHA) na European Commission.
* UN-SPIDER – UN-SPIDER, United Nations Platform for Space based Information for Disaster Management and Emergency Response], oru ngo nke United Nations Office for Outer Space Affairs (UNOOSA)