On Sunday, July 20, multiple earthquakes, including one that was 7.4 magnitude, struck the Russian coast. The U.S. National Tsunami Warning Center (USNTWC) initially issued a tsunami watch for Hawaii as a result at 9:03 p.m. local time on Saturday.

Several strong earthquakes struck off the coast of Russia on Sunday, eliciting a brief tsunami watch for the state of Hawaii. Per the U.S. Geological Survey (USGS), the first of the quakes, with a magnitude of 6.