Aftershock at 5.9 just now.
Some perspective...
1999 Izmit Earthquake
https://en.wikipedia.org/wiki/1999_%C4%B0zmit_earthquake
On the 17th of August, 1999 at 3:01 AM local time, a catastrophic magnitude 7.6 earthquake struck the Kocaeli Province of Turkey, causing monumental damage and 17,127–18,373 deaths.