Description: <div style="font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;">Displays areas of landslide events based on a Seattle Landslide Study completed by Shannon and Wilson.</div><div style="font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;"><br /></div><div style="font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;">A polygon feature class showing landslide event inventory. Used to implement and regulate the City of Seattle's Environmentally Critical Areas (ECA) policies. This layer includes a more comprehensive collection of slide events maintained by Shannon and Wilson via the Seattle Landslide Study which included slide data through June 1999.</div><div style="font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;"><br /></div><div style="font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;">The Known Slide layer was most recently updated under SDCI <a href="https://www.seattle.gov/dpd/codes/dr/DR2019-12.pdf" style="color:rgb(0, 121, 193); text-decoration-line:none;" target="_blank">Director's Rule 12-2019</a>.</div><div style="font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;"><font face="Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif"><br /></font></div><div style="font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;"><font face="Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif">For more information about the definition of known slide areas, see </font><a href="https://library.municode.com/wa/seattle/codes/municipal_code?nodeId=TIT25ENPRHIPR_CH25.09REENCRAR" style="color:rgb(0, 121, 193); text-decoration-line:none;" target="_blank">Seattle Municipal Code section 25.09.012</a><font style="font-family:inherit;">, Environmentally Critical Areas (ECA) definitions.</font></div><div style="font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;"><br /></div><div style="font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;">Updated as needed.</div>