Wednesday evening in Waikiki ended in classic Hawaiian style, with a stunning red, orange and gold sunset, children laughing and splashing in waves lapping the shore – and parents sipping cocktails from plastic cups.

A powerful magnitude 8.8 earthquake off Russia's Far Eastern Kamchatka Peninsula triggered tsunami waves of up to 16 feet nearby, and sparked evacuation orders in Japan, Hawaii and across the Pacific on Wednesday (July 30).

Authorities warned the risk from the 8.8 magnitude quake could last for hours, and millions of people potentially in the path of the waves were initially told to move away from the shore or seek high ground.

Hawaii officials say the timing of the tsunami warning and evacuation orders following this week's massive earthquake off Russia helped make for severe traffic congestion in some areas