Page Title: U.S. Tsunami Warning Centers

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Page Text: PTWC Twitter Feed Text Messages (Short Messaging System (SMS)) The Tsunami Warning Center messages relayed through Twitter’s Tweet-to-SMS service has been discontinued by Twitter of April 2020. To continue receiving notifications when a tweet from @NWS_NTWC or @NWS_PTWC is sent, you must choose to be notified within the Twitter app on your mobile device and/or through the twitter.com website. Your personal account settings may affect your ability to be notified in this way. For more on how to set up tweet notifications (push notifications) to your device, head to https://help.twitter.com/en/managing-your-account/notifications-on-mobile-devices and choose Apple or Android. You may find additional information here: https://help.twitter.com/en/managing-your-account/enabling-web-and-browser-notifications Facebook PTWC Facebook Page Email The UNESCO/IOC service will provide NTWC bulletins for seismic events greater than magnitude 6.5 . Other tsunami warning centers provide information to this list also

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