First Thing: Tsunami warnings across Pacific as first waves hit Hawaii after earthquake off Russia

Ewa Beach residents at the side of Kunia Road as they evacuate following the tsunami threat in Hawaii. Photograph: Michelle Bir/AP

Good morning.

One of the strongest earthquakes ever recorded triggered a series of tsunami warnings and evacuation orders stretching across Japan, the US west coast and much of the Pacific, with reports of waves up to 4 meters high in some remote regions of eastern Russia.