Ground failures tend to happen almost every time after an earthquake, usually causing landslides, settling and spreading.
Which as a result, can reduce the fertility of the ground for further cultivation, and also damage manmade or natural structures.
[1] In geology, it means an effect of seismic activity, such as an earthquake, where the ground becomes very soft, due to the shaking, and acts like a liquid, causing landslides, spreading, and settling.
[2] Earthquake-triggered landslides and liquefaction, collectively referred to as ground failure, can be a significant contributor to earthquake losses.
[3] The USGS Ground Failure (GF) earthquake product provides near-real-time spatial estimates of earthquake-triggered landslide and liquefaction hazard following significant earthquakes worldwide.