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.
An ocean earthquake commonly occurs between 200 and 1,000 years. As the pressure of floating plates bouncing against a continental plate rises, the continental plate starts pushing back. This causes an ocean floor island to recede underwater until the pressure is too great.
Image: A Valdivia street after the earthquake of 22 May 1960. The temblor caused localised tsunamis that severely battered the Chilean coast, with waves up to 25 metres. Image: Aerial view of coastal area on Isla Chiloe, Chile, showing tsunami damage and wave extent.