Narrated Masruq:
"'Aishah recited this Ayah: The Day when the earth will be changed to another earth (14:48). She said: 'O Messenger of Allah! Where will the people be?' He said: 'Upon the Sirat.'" (IT)
English reference (IT): Vol. 5, Book 44, Hadith 3121 (IT)
Arabic reference (IT): Book 47, Hadith 3412 (IT)