Ground failure

The term ground failure is a general reference to landslides, liquefaction, lateral spreads, and any other consequence of shaking that affects the stability of the ground.[1]

Overview

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.[3]

References
  1. "Earthquake Glossary". earthquake.usgs.gov. Retrieved 2021-07-05.Public Domain This article incorporates text from this source, which is in the public domain.
  2. Wartman, Joseph; Rodriguez-Marek, Adrian; Repetto, Pedro C.; Keefer, David K. (2003-01-01). "Ground Failure". Earthquake Spectra. 19 (1_suppl): 35–56. doi:10.1193/1.1737250. ISSN 8755-2930.
  3. "Ground Failure". earthquake.usgs.gov. Retrieved 2021-07-05.Public Domain This article incorporates text from this source, which is in the public domain.


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