Three weeks later, at least 1,200 were killed during a moderate but shallow event that had a maximum Mercalli intensity of VII (Very strong).

It has been proposed that these earthquakes are a result of "necking" of the downgoing slab, a process that may eventually lead to break-off.

At least 150 people were killed, several injured and 400 houses damaged or destroyed by a landslide that dammed and flooded Surkundara Valley, Samangan Province.

[1] At 14:56:33 UTC, a magnitude 6.1 tremor hit an area 160 km (99 mi) southwest of Feyzabad, Afghanistan.

The high death toll and heavy damage was attributed to poor construction—most homes were constructed of mud brick.