Widespread slaughter before the Mahdi (as) comes

The Day of Judgment will not take place until these things come to pass… Death and slaughter will be widespread…(al-Suyuti, Al-Jami as-Sagir, 3:211; Musnad, 2:492, 4:391, 392)

The global pervasiveness of disorder and conflict

At a time when the world will be in utter confusion and disorder (harj), tribulation will appear... WHEN ROADS WILL BE CUT, some will attack some others... (Al-Muttaqi al-Hindi, Al-Burhan fi Alamat al-Mahdi Akhiraz-Zaman, p. 12)

The killing of innocent

Hazrat Mahdi (as) will not appear until innocent people are killed… (Al-Muttaqi al-Hindi, Al-Burhan fi Alamat al-Mahdi Akhiraz-Zaman, p. 35)

Hazrat Mahdi (as) will not appear until innocent people are slaughtered. He will appear when those on earth and in the skies can no longer bear the killing... (IbnHajar al-Haythami, Al-Qawl al-Mukhtasar fi Alamat al-Mahdi al-Muntadhar, p. 37)

The open denial of Allah (Surely Allah Is Beyond That)

Hazrat Mahdi (as) will not come until Allah is openly and flagrantly denied. (Al-Muttaqi al-Hindi, Al-Burhan fi Alamat al-Mahdi Akhiraz-Zaman, p. 27)

An increase in the number of earthquakes

The Hour [Day of Judgment] will not be established until ... earthquakes will be very frequent. (Ramuz al-Ahadith, 476/11)

There are two great events before the Day of Judgment ... and then years of earthquakes. (Ramuz al-Ahadith, 187/2)

There will be earthquakes in my community. Ten thousand, twenty thousand, thirty thousand people will die . [Ibn ‘Asakir, GeleceginTarihi 1 (History of the Future 1), OrhanBaytan, MevsimPublishings, p. 81]

Severe floods

The Hour will not come until there has been rain which destroy all dwellings. (Ash-Sharani, MukhtasarTazkirah al-Qurtubi, p. 253)

Poverty

The poor will grow in number.  (Al-Sharani, MukhtasarTazkirah al-Qurtubi, p. 455)

HUNGER and cost of living will prevail. (Al-Sharani, MukhtasarTazkirah al-Qurtubi, p. 440)

A rise in adultery

The Day of Judgment will not happen…until prostitution is blatant. (Ahmad Diya ad-Din al-Kamushkhanawi, Ramuz al-Ahadith, 91/7)

The Hour will not come when adultery becomes widespread. (Al-Haythami, Kitab al-Fitan)

The Last Hour will not be established until they (wicked people) commit adultery on the roads (public ways). (IbnHibban and Bazzar)

The acceptance of perversion

The Hour will draw nigh when men are content with men and women are content with women. (MukhtasarTazkirah al-Qurtubi)

A rise in killings

The Hour [Last Day] will not be established until murders increase. (SahihBukhari)

The increase in divorces

Increased divorces... are a portent of the Hour.(Ash-Sharani, MukhtasarTazkirah al-Qurtubi, p. 455)