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NWS Tsunami Alerts Profile picture
NWS Tsunami Alerts
@NWS_NTWC
The U.S. National Tsunami Warning Center issues tsunami alerts and information for the continental U.S. and Canada. Policies: https://t.co/xCtxOhYntG
Aug 3, 2025 • 11 tweets • 4 min read
Here are preliminary @NOAA tsunami observations for the North American Coastline starting with Alaska, following last Tuesday's Pacific Ocean tsunami event following the M8.8 earthquake near Kamchatka, Russia.

As of today, no damage or injuries have been reported to NTWC for AK. Image
Image British Columbia, Canada, tsunami measurements from last Tuesday's Pacific Ocean tsunami event following the M8.8 earthquake near Kamchatka, Russia.

As of today, no damage or injuries have been reported to NTWC for British Columbia. Image
Apr 15, 2023 • 5 tweets • 3 min read
⛔@Twitter is now limiting automated tweets and as a result, this account can no longer post all #Tsunami Warnings, Advisories, Watches, and Information Statements as they are issued. We will make every effort to continue manual posts 🧵(1/5) A description of National T... During a #tsunami event, our primary mission is to message our Warning Points through official @NWS channels- this serves the most people in the fastest way possible. Social media posts are automated to speed up the posting process until more help can arrive.🧵(2/5)