WI both Emperor Trajan and his heir Hadrian die in 115 AD?

In 13 December 115 AD a 7.5 magnitude earthquake struck the city of Antioch turning most of the city to ruins. Emperor Trajan and Hadrian were caught in the earthquake but they managed to escape only with light injuries (Trajan had to jump out from a window in order to get out of his collapsing house... which is impressive considering his age and health).

WI both the Emperor and his heir died that day? Does their deaths throws the Empire into a succession crisis?
How is history affected without Hadrian (and assuming that Good Emperors line stops there)?
 
A succession crisis is possible, but it's not a given. You have a strong concentration of forces and military talent in the East, and if the legions can agree on a successor (Lusus Quietus?), the Senate and the Rhine and Danube armies may well go along. If they don't, things could get as bad as in 68/9. I don't think there'd be a preview of the third century, though. After the crisis, things are more likely than not to settle down, the central government still has that much power.
 
A succession crisis is possible, but it's not a given. You have a strong concentration of forces and military talent in the East, and if the legions can agree on a successor (Lusus Quietus?), the Senate and the Rhine and Danube armies may well go along. If they don't, things could get as bad as in 68/9. I don't think there'd be a preview of the third century, though. After the crisis, things are more likely than not to settle down, the central government still has that much power.

Well a succession crisis in the Roman Empire followed by civil wars between claimants of the purple could lead to a nasty situation where the Parthians could invade Syria and claim parts of the Roman Empire.
 
Well a succession crisis in the Roman Empire followed by civil wars between claimants of the purple could lead to a nasty situation where the Parthians could invade Syria and claim parts of the Roman Empire.

I don't think they would be up to it at that point. The Parthian empire of 115 AD is a different creature from that of 55 BC or the Sassanid one.
 
I don't think they would be up to it at that point. The Parthian empire of 115 AD is a different creature from that of 55 BC or the Sassanid one.

By 115 Parthians have been regrouped and were attacking Roman garisons in Nisibin and other cities and Trajan had to return to Mesopotamia to deal with these raids. Around the same time jews revolted and Romans had overstretched their forces in order to deal with both problems.

Now if we add civil wars due to succession crisis in Roman Empire that gives us the perfect scene of collapse in the east.
 
This would be rather bad for Rome, I think. And the Parthians might use the opportunity to take back the conquered provinces, instead of getting them peacefully by Hadrian.
 
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