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The NVS Tsunami app collects user settings data when the user makes a change to their settings in the app. The app also collects geographic locations specified by the user. All data is stored locally on the device. The data is stored for as long as the app is installed on the device. A user may revoke consent and delete their data by deleting the app from their device.

If a user is logged in their settings and locations are sent to the NANOOS servers and stored until it is requested to be removed. A user may revoke consent and request their data be deleted filling out the Contact form.

Data is not shared with any 3rd parties.

Regional Coastal Observing Systems



Central and Northern California

Great Lakes

Gulf of Mexico

Pacific Islands


Atlantic - Northeast

Pacific Northwest

Southern California

Atlantic - Southeast