Was watching some videos from the 2020 Alaska earthquake / tsunami scare.. from what it sounds like, a good portion of coastal towns have a bunch of "close proximity" grids consisting of DSA's, Modulators, Alertronics, etc.. (Kodiak's system sounds terrifying). From the looks of it, these ...

Hey there, new to the chat but wanted to share my personal siren map for the Columbia area. Hoping to contribute as there are a few 2001-SRNB's and DSA's to add for the Saluda river and Lake Murray Inundation System. Will share updates as I go along, feel free to PM me! https://www.google.com/maps/d...