There are initiatives like location-aware alerts on your smartphone, dedicated channels for emergency broadcasts...<p>Reminds me of this thing they have in Amsterdam: <a href="http:&#x2F;&#x2F;www.iamexpat.nl&#x2F;read-and-discuss&#x2F;expat-page&#x2F;news&#x2F;netherlands-gets-world-first-nationwide-sms-emergency-alert-system" rel="nofollow">http:&#x2F;&#x2F;www.iamexpat.nl&#x2F;read-and-discuss&#x2F;expat-page&#x2F;news&#x2F;neth...</a>