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.

The Pacific Tsunami Warning Centre announced the end of a tsunami threat to Russia's Kamchatka Peninsula after five strong earthquakes, the largest at 7.4 magnitude, struck offshore. Initial tsunami warnings were downgraded as the situation stabilized.

The watch was issued at 9:03 p.m. after a 7.4 magnitude earthquake off Russia’s Kamchatka Peninsula, but canceled after there was no threat to Hawaii.