The Solomon Islands have been hit by a second earthquake of 7.5-magnitude, less than a day after a similar strength tremor.
A tsunami warning was in effect in the Solomon Islands, Vanuatu and Papua New Guinea, although it was not known whether a tsunami had been generated.
The latest quake was registered at a depth of 12 miles below the seabed, the US Geological Survey said.
There were no reports of major damage or casualties after the first quake early Sunday local time.
A 7.5 earthquake has struck off the Solomon Islands, less than a day after a similar strength tremor
The first tremor woke people in the Solomon Islands, striking at 07:14 local time, and was followed by a 5.9 magnitude aftershock.
The Pacific Tsunami Warning Centre reported indications of a small tsunami which may have caused some damage hear the epicenter 200 miles southeast of the capital, Honiara.
The Solomon Islands lies in a zone prone to frequent earthquakes and volcanic activity.
In February, several people were killed after a tsunami triggered by a magnitude 8.0 quake struck near the Santa Cruz islands – part of the Solomon Islands nation.
The latest quakes come only a week after the Solomon Islands were hit by severe flooding, which left more than 20 people dead.
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A 7.6-magnitude earthquake has hit near the Solomon Islands, but there have been no reports of major damage or casualties.
The undersea quake was registered at a depth of 18 miles, 60 miles south-east of Kira Kira.
The Solomon Islands suffered severe flash floods in recent weeks
A tsunami warning issued for the Solomon Islands, Papua New Guinea and New Caledonia was later cancelled.
The Solomon Islands suffered severe flash floods just over a week ago in which at least 16 people died.
Strong waves were reported after the earthquake struck at 07:14 on Sunday.
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A tsunami warning has been issued for the Philippines, Indonesia and Palau after a 7.9-magnitude earthquake offshore.
The quake had a depth of 33 km (20 miles) and struck at 20:47 local time, the US Geological Survey said. It was located off the Philippines island of Samar.
A tsunami warning has been issued for the Philippines, Indonesia and Palau after a 7.9-magnitude earthquake offshore
There are no details of any damage or casualties from the quake.
It is not yet known if a tsunami has actually been generated.
Warnings were also initially issued for Taiwan, Japan, Papua New Guinea, Guam, the Northern Mariana Islands and Yap, but were later lifted.
Indonesia has issued a tsunami warning after a 7.3 magnitude earthquake struck off Aceh province.
The 7.3 magnitude quake struck 423 km (262 miles) south-west of Banda Aceh, Sumatra, the US Geological Survey (USGS) said.
The earthquake had a depth of 29.1 km (18.1 miles), according to USGS.
A giant earthquake struck off Indonesia in December 2004 triggered a tsunami in the Indian Ocean that killed some 230,000 people, half of them in Aceh.
An official with Indonesia’s geological agency, Arief Akhir, confirmed that a tsunami warning had been issued.
Indonesia is prone to seismic upheaval due to its location on the Pacific “Ring of Fire” – one of the most seismically active regions on earth.