Type of deposit | General distribution of cohesionless sediments in deposits | Likelihood that cohesionless sediments, when saturated, would be susceptible to liquefy (by age of deposit) | |||
---|---|---|---|---|---|
< 500 years | Holocene | Pleistocene | Pre-Pleistocene | ||
River channel | Locally Variable | Very high | High | Low | Very low |
Flood plain | Widespread | High | Moderate | Low | Very low |
Alluvial plain | Widespread | Moderate | Low | Very low | Very low |
Coastal delta | Widespread | Very high | High | Low | Very low |
Estuarine | Locally Variable | High | Moderate | Low | Very low |
Artificial compacted fill | Variable | Low |