
US Department of the Interior @Interior
Since 2006, @USGS has worked to develop earthquake early warning (EEW) systems for the U.S., with the help of several cooperating organizations. @USGS_ShakeAlert can give you those much-needed seconds to react before a quake hits. https://t.co/Pb8sohNoqD https://t.co/uGZv3J05pa — PolitiTweet.org