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State
Quaternary Geology Cross Section Lines
State of Connecticut —
Connecticut Quaternary Geology Geologic Basin Divides includes the drainage basins divides appearing on Sheet 1 of the The Quaternary Geologic Map of Connecticut and... -
State
Quaternary Geology Geologic Basin Boundary
State of Connecticut —
Connecticut Quaternary Geology Geologic Basin Divides includes the drainage basins divides appearing on Sheet 1 of the The Quaternary Geologic Map of Connecticut and... -
City
San Andreas M7.8 Earthquake Scenario
City of San Francisco —
This represents projected ground shaking in the City and County of San Francisco during a M7.8 earthquake on the San Andreas fault. The map updated in 2013 by USGS... -
City
Tsunami Inundation Hazard Zone (Outdated, 2015)
City of San Francisco —
Please see the updated 2021 Dataset. This dataset displays areas of the city vulnerable to damage from likely tsunami scenarios and displays what can be considered... -
State
Quaternary Geology Geologic Basin and Cross Section Set
State of Connecticut —
Connecticut Quaternary Geology Geologic Basin Divides includes the drainage basins divides appearing on Sheet 1 of the The Quaternary Geologic Map of Connecticut and... -
City
Landslide Susceptibility Hazard Zones
City of San Francisco —
This map shows the relative likelihood of deep landsliding based on regional estimates of rock strength and steepness of slopes. On the most basic level, weak rocks... -
City
Hayward M7.0 Earthquake Scenario
City of San Francisco —
This represents projected ground shaking in the City and County of San Francisco during a M7.8 earthquake on the San Andreas fault. The map updated in 2013 by USGS... -
City
Dam or Reservoir Failure Hazard Zone
City of San Francisco —
This map shows the inundation hazard zones from dam and reservoir failure, based on modelling. The analysis was done by SFPUC in partnership with DEM and includes... -
City
Soil Liquefaction Hazard Zone
City of San Francisco —
Summary Map delineation of the different types and ages of Quaternary deposits supports evaluation of susceptibility to liquefaction. These areas can be expected to...