Monitor tsunami detection signals from the SOUTHEAST SHUMAGIN ISLAND - 186 NM SE of Shumagin Is, AK station (Station 46403) near Alaska. Follow deep-ocean pressure readings and alert status used by NOAA warning centers.
This station has limited data availability.
The SOUTHEAST SHUMAGIN ISLAND - 186 NM SE of Shumagin Is, AK buoy is part of the NOAA National Data Buoy Center (NDBC) network. It monitors deep-ocean pressure changes and sea-level anomalies to detect tsunami waves before they reach shore. The readings feed tsunami warning centers, emergency managers, and coastal resilience planners across Alaska.
This station participates in NOAA’s Deep-ocean Assessment and Reporting of Tsunamis (DART) network, designed to spot tsunami waves and trigger early warnings.