IMS-25 - Tsunami Hazard Map of the Florence-Siuslaw River Area, Lane County, Oregon. The new map highlights three different size tsunamis that could strike Florence . "This scenario map shows how three different tsunamis generated by an offshore earthquake might affect the area," explains Dr. George Priest, a coastal hazards geologist with DOGAMI, who prepared the map.This map may be viewed as a guide for evacuation and emergency response planning in the event of an earthquake and tsunami. The map is not intended to be used for site specific planning. Publisher:DOGAMI CD-ROM Price: $ 10.00