It is also important to check that your urban growth and development projections do not conflict with neighboring jurisdictions and local governments in the area. â¢ Be sure to update your land use regulations to accommodate the new infill development that will result from implementation of the urban growth boundary.
This formation of new land results from the ocean floor rising. What Happens When New Islands Form. Subduction earth movements is the cause of new underwater islands and results in a displacement of ocean water. It happens when an ocean plate slides beneath a continental plate.
When two sides of a fault line under water move against each other slip. One side moves upwards and the other downwards. This causes a massive movement of water outwards which results in a tidal wave. Tsunamis occur after an earthquake. The earthquake can occur under a city (ex. The New Madrid Missouri fault line; or the Los Angeles area's fault lines), but many occur on the ocean or sea floor.