The Hunga-Tonga-Hunga-Ha’apai volcano first erupted on Friday, sending an ash 20 kilometers (12.4 miles) into the sky, according to DailyExpertNews affiliate Radio New Zealand (RNZ).
A second eruption struck at 5:26 p.m. local time on Saturday, RNZ reported.
Satellite images show a huge cloud of ash and shock waves spreading from the eruption. Waves from the eruption crossed the shoreline of Tonga’s capital, Nuku’alofa, and poured into coastal roads and flood plains, according to RNZ.
The Australian Bureau of Meteorology said it recorded a 1.2m (about 4 feet) tsunami wave near Nuku’alofa at 5:30 p.m. local time on Saturday.
The volcano is located about 30 kilometers (18.6 miles) southeast of Fonuafo’ou Island in Tonga, according to RNZ.
In addition to the tsunami warning, Tonga’s Meteorological Services have issued advisories for heavy rainfall, flash flooding and high winds in land and coastal waters.
The nearby island of Fiji has also issued a public advisory asking people living in low-lying coastal areas to “get to safety in anticipation of strong currents and dangerous waves”.
According to the Samoa Meteorological Service, a tsunami advisory remains in effect for all coastal waters off Samoa. No evacuation is required, but members of the public are advised to stay away from beach areas, the agency said.
A tsunami advisory has also been issued for coastal areas on the north and east coasts of New Zealand’s North Island and the Chatham Islands, where “strong and unusual currents and unpredictable coastal waves” are expected, according to the National Emergency Management. Agency of New Zealand. .
New Zealand’s official weather service said weather stations across the country had observed a “pressure surge” from the eruption on Saturday night.
A previous tsunami warning for American Samoa has since been canceled, according to the NWS Pacific Tsunami Warning Center.
According to the Pacific Tsunami Warning Center, there is no tsunami threat to Guam and the Commonwealth of the Northern Mariana Islands from a “remote eruption.”
The volcano was active from December 20, but was declared dormant on January 11, according to RNZ.