The warning was issued for the Solomon Islands, Vanuatu, Nauru, Papua New Guinea, Tuvalu, New Caledonia, Kosrae, Fiji, Kiribati, and Wallis and Futuna islands.
A tsunami watch was issued for the rest of the South Pacific nations, including Australia, New Zealand and Eastern Indonesia..
The quake struck at a very shallow depth of only five km (three miles) and was located 340 km (211 miles) east of Kira Kira in the Solomons.
“It is not known that a tsunami was generated. This warning is based only on the earthquake evaluation,” said the tsunami center.