An aftershock measuring 4.9 in magnitude followed the earthquake about 20 minutes later, said the USGS.

Source: https://www.independent.co.uk/news/world/africa/morocco-earthquake-mapped-tremors-marrakech-latest-b2408393.html

A powerful magnitude 7.5 aftershock on a different fault struck nine hours later, with an epicenter 60 miles to the northeast, producing another round of devastation.

Source: https://www.latimes.com/california/story/2023-02-07/devastating-turkey-earthquake-has-urgent-lessons-for-california

The combined death toll in Turkey and Syria exceeds 41,000, and the earthquake and its aftershock has destroyed whole cities in both countries, leaving survivors homeless in the bitter cold, with many struggling to find shelter and basic sanitation.

Source: https://newsinfo.inquirer.net/1730080/increasing-number-of-turkey-syria-earthquake-survivors-show-signs-of-ptsd

The epicentre was about 40 km northwest of the city of Herat and was followed by a 5.5-magnitude aftershock.

Source: https://www.ibtimes.co.in/14-dead-6-3-magnitude-earthquakes-jolt-afghanistan-863019

The initial earthquake was followed by a 7.5 magnitude aftershock, as well as hundreds of smaller aftershocks.

Source: https://thebutlercollegian.com/2023/02/devastation-in-turkey-and-syria/

The magnitude 4.9 quake that occurred past 12 a.m. on Monday, March 6, was an aftershock of the magnitude 6 quake that shook Davao de Oro on Feb. 1 and caused some damage to the provincial hospital building in Montevista town.

Source: https://newsinfo.inquirer.net/1739710/two-strong-quakes-3-hours-apart-rock-davao-de-oro-again