A magnitude 7.8 earthquake struck off the Solomon Islands early on Friday, triggering a tsunami warning across a wide area of the South Pacific.
The quake struck at 4:38 a.m. (8:38 a.m. Alaska time Thursday) at a depth of 25 miles, the U.S. Geological Survey said. It was initially reported to be of magnitude 8.0.
There were no immediate reports of damage or casualties.
"Hazardous tsunami waves from this earthquake are possible within the next three hours along some coasts of Solomon Islands, Vanuatu, Papua New Guinea, Nauru, New Caledonia, Tuvalu and Kosrae," the U.S.-based Pacific Tsunami Warning Center said.
Tsunami Info Stmt 2: M7.8 near the Solomon Islands
0939PST Dec 8: Tsunami NOT expected; CA,OR,WA,BC,and AK— NWS Tsunami Alerts (@NWS_NTWC) December 8, 2016
Tsunami waves were not expected on the U.S. West Coast or Alaska, the PTWC said around 9:40 a.m. Alaska time.
PTWC canceled an initial tsunami watch alert for Hawaii.
"Based on all available data, there is no tsunami threat to the state of Hawaii," the PTWC said.
Australian authorities also said there was no risk to its coastlines, while the New Zealand Civil Defense office said it was evaluating the threat.
Calls to emergency services officials in the Solomons and Vanuatu weren't answered.