Musnad Abu Ya'la al-Mawsili 150:189

Abu Kurayb narrated to us, Sayfi ibn Rib'i al-Ansari narrated to us, from Abdullah ibn Umar, from Ubaydullah ibn Umar, from al-Qasim, from Aisha, who said: The Messenger of Allah (may Allah bless him and grant him peace) mentioned a sinking into the earth, a transformation, and a pelting that will occur at the end of this nation. I said: "O Messenger of Allah, shall we perish while the righteous are among us?" He said: "Yes, if wickedness becomes prevalent."