Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: The Kola Superdeep Borehole (Russian) ndiwo mugumisiro wechirongwa chesainzi chekuchera cheSoviet Union muPechengsky District, paKola Peninsula. Basa racho rakaedza kuchera zvakadzika sezvinobvira muchikanda chePasi. Kuchera kwakatanga musi wa24 May 1970 vachishandisa chombo chinonzi Uralmash-4E, uye gare gare chombo chinonzi Uralmash-15000. Makomba okuboora aicherwa nokuparadzaniswa kubva paburi riri pakati. Yakadzika, SG-3, yakasvika 12,262 metres (40,230 ft; 7.619 mi) (Zvinodikanwa kuongorora. Maererano nezviratidzo zvakanyorwa paburi, kudzika kuri 12,226 m, ) muna 1989 uye ndiyo yakadzika nzvimbo yekugadzira pasi pano, kubva muna Chivabvu 2019. Gomba racho rine dhayamita yemasendimita 23. Kana tikatarisa pakadzika kwaro chaiko, igomba rakadzika kupfuura mamwe ose pasi pano. Kwemakumi maviri emakore yaive zvakare gomba rakareba kwazvo pasi rose maererano nekudzika kwakayerwa pamwe nebhodhi rakacherwa, kudzamara rakapfuurwa muna 2008 ne12,289-mita-refu (40,318 ft) Al Shaheen mafuta tsime muQatar, uye muna 2011 ne12,345-mita-refu (40,502 ft) Sakhalin-I Odoptu OP-11 Tsime (offshore kubva kuchitsuwa cheRussia cheSakhalin).  Mubvunzo: Nderipi raiva zuva rokutanga kuchera?
24 May 1970