A tsunami advisory for Northern California has been cancelled.
The West Coast and Alaska Tsunami Warning Center said there was now "no watch, warning or advisory" in effect for the area following the 7.7-magnitude earthquake in British Columbia.
– West Coast and Alaska Tsunami Warning Center message
The tsunami threat has diminished for Alaska / British Columbia / Washington / Oregon and California.
However .... some of these areas may experience non-damaging sea level changes.
As local conditions can cause a wide variation in tsunami impact, the all clear determinations must be made by local authorities.
A tsunami advisory remains in place for the state of Hawaii.
The tsunami warning for the state of Hawaii has been cancelled, the Pacific Tsunami Warning Center has announced.
The warning has been downgraded to an advisory.
– The Pacific Tsunami Warning Center message
Based on the available data the tsunami threat has decreased and is now at the advisory level and not expected to increase.
Sea level changes and currents may still occur along all coasts that could be a hazard to swimmers and boaters as well as to persons near the shore at beaches and in harbours and marinas.
The threat may continue for several hours.
A tsunami advisory is also in operation from Gualala Point - located 80 miles northwest of San Francisco - to the state border with Oregon.
Tsunami warnings for British Columbia in Canada and the US state of Oregon have been cancelled, the West Coast and Alaska Tsunami Warning Center has announced.
However, warnings remain in effect for Hawaii and Northern California.
The California tsunami warning is in operation from Gualala Point - located 80 miles northwest of San Francisco - to the state border with Oregon.
The Mayor of Honolulu, Peter Carlisle, told Hawaii News Now that "no all clear" has been given and tsunami warnings are still in place.
Mr Carlisle warned residents not to return to the evacuation zone and to "err on the side of safety", adding, "We will make certain that the danger has passed".
Tsunami waves have reached a height of 1.4 feet in Haleiwa, Hawaii, the Pacific Tsunami Warning Center said.
The latest measurements of tsunami wave activity are:
- Waianae, Hawaii - 0.6 feet
- Haleiwa, Hawaii - 1.4 feet
- Hanalei, Hawaii - 0.6 feet
- Makapuu, Hawaii - 1.3 feet
The Marine Corps Base Hawaii evacuated around 1,700 US Marines, sailors and their families as the first wave hit the state of Hawaii.
Military police are clearing the tsunami evacuation zone to ensure everyone leaves the area, Hawaii News Now reported.
The first tsunami wave has hit Hawaii, the Pacific Tsunami Warning Center announced.
The tide level at Makapuu Beach rose by one foot then "rapidly dropped" three feet, Gerard Fryer, senior geophysicist at the Pacific Tsunami Warning Center, told Hawaii News Now.
He added that larger waves were expected to come.
"Basically this tsunami is pointed right at us," Mr Fryer said. "It's not just one wave, it's a succession of waves... We are recommending coastal evacuation".