Internet Sirens News Today

Part of that is because our building standards arent as strict here but also because jop put in a billion dollar early warning system in this case actually sent out alert to millions of people across the japan before the earth started shaking. some people only got a few seconds. some people got more time. this early system detects p-waves or primary waves of earthquake. it sends out warning by way of internet sirens, broadcasting, even text messages. u.s. seismologists have been working to copy ...