7.3 magnitude Alaska earthquake triggers tsunami
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A major earthquake with a preliminary magnitude of 7.3 initially triggered a tsunami warning for the southern Alaska Peninsula. It was later downgraded to an advisory.
An earthquake measuring magnitude 7.3 was recorded off the Alaska coast on Wednesday, July 16, according to the USGS.
The warning includes the southern end of the Alaska Peninsula, along the coast, and up to both sides of Cook Inlet.