SEATTLE — The National Oceanic and Atmospheric Administration ended a contract with the Alaska Earthquake Center that helped maintain some seismic stations and transmit data in real time.

Alaska state seismologist and director of the center, Michael West, warned that the termination of this contract, which is around two decades old, will lead to less timely and accurate tsunami warnings that could affect Alaska, Hawaii and the West Coast.

It’s unclear why NOAA chose to terminate the contract, worth around $300,000 annually. David Snider, a tsunami warning coordinator with NOAA’s National Tsunami Warning Center, declined to comment, deferring to NOAA public affairs, which did not respond to request for comment.

Every time an earthquake happens, NOAA’s Tsunami Warning Centers determine wh

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