eli5 After a major earthquake, is it common for as powerful earthquakes to occur in the same region ?


I am Syrian and we are still feeling earth shakes since the big earthquake.

The building we are in is fine since we were not close to the earthquake but glass was broken and it was very intense.

My question is, scientifically how bad it could get ? Could there be a more server one ?

Thanks in advance.

In: 4

Normally the tremors after the initial quake are why are called aftershocks. Typically they aren’t as bad as the initial quake but I’m also not a geologist or seismologist.

An earthquake is sudden movement between techtocic plates that became locked due to friction. Over time, tension builds as magma flows under Earth’s crust trying to force plate movement. Eventually tension becomes more than rock within the plate can sustain so it breaks, releasing this tension suddenly and violently. The sudden plate movement causes other sections to engage with each other, locking plate movement again.

As tension builds, newly locked sections collapse too, causing more earthquakes. Eventually, stronger sections of rock engage and extend the duration between collapses. These become the siesmically dormant periods we enjoy between earthquakes.

An earthquake’s magnitude depends on the amount of tension that builds up in the fault beteeen plates, and how quickly this energy is released.

It is common to have multiple smaller earthquakes after a large one that is called [https://en.wikipedia.org/wiki/Aftershock](https://en.wikipedia.org/wiki/Aftershock)

You can also have multiple main earthquakes https://en.wikipedia.org/wiki/Doublet_earthquake Wikipedia says that 20% of 7.5 magnitude and later multiple large earthquakes.

It is also possible to have a large https://en.wikipedia.org/wiki/Foreshock and the main earthquake is after it. There have been earthquakes the same magnitude as the 2023 Turkey–Syria earthquake that was followed by a larger, 7.9 in 1960 chile was followed by a 9.5 a day later

So if I was in the region I would assume that there can be a later earthquake and try to keep away from where one could hurt me. Sleeping outside in a tent might be a good idea. I would not stay in a building that was damaged in the first earthquake.

Rescue work will be a compromise between risk to the rescue workers and the ability to find trapped survivors.

In the 2016 Kumamoto earthquake, the main quake (7·
.0) came the day after the previous one(6.0).
There were hundreds of aftershocks too. Stay safe!