An earthquake measuring 7.9-magnitude struck 25 miles west of Panguna in Papua New Guinea, the United States Geological Survey said Sunday.
The quake, which had its epicenter in the Celebes Sea, was around 390 miles in depth.
The tremor struck 176 miles south of Fiji. No damage or casualties were initially reported.
The Pacific Tsunami Warning Center said that hazardous tsunami waves are possible within the next three hours along some coasts in the South Pacific.
A tsunami warning was issued after a magnitude 7.7 earthquake hit 30 miles off the coast of the Solomon Islands in the Pacific Ocean Friday morning.
A 6.5 magnitude earthquake struck Indonesia's Aceh Province Wednesday, killing at least 97 people.
A 7.3-magnitude earthquake struck eastern Japan on Tuesday morning local time, triggering a tsunami warning.
There was no danger of a tsunami and no immediate report of injuries or major damage.
The country’s worst natural disaster since the 2004 tsunami will cost a large amount of money, and the government urged foreign donors to help.
Saturday’s magnitude-7.8 quake along the country’s Pacific coast was followed by 55 aftershocks.
Thursday's magnitude-6.5 earthquake left at least nine dead and hundreds injured, and thousands without power.
A moment of silence was observed across Japan to mark the fifth anniversary of the March 11 tsunami that devastated the country's northeast.
During Wednesday’s 7.8 magnitude earthquake, which struck 500 miles from Padang in West Sumatra province, none of the country's 22 tsunami warning buoys were working.
Damage caused by the magnitude-6.4 quake that struck the island nation Saturday included the collapse of a 17-story apartment building in the city of Tainan.
The temblor rattled the Asian nation’s coast early Thursday, according to the U.S. Geological Survey.
A temblor occurred 99 miles from Makurazaki and 102 miles from Kaseda, with measurements estimated between magnitude 6.5 and 7.0
Santiago's airport was reportedly closed after a massive quake, which also prompted a tsunami warning for Hawaii and monitoring of the U.S. West Coast.
No major damage or injuries were immediately reported. Because of heavy rains in Japan, however, landslides could occur in some areas.
Kick 'em Jenny, an undersea volcano near the north coast of the Caribbean country, is expected to erupt within 24 hours.
Seven earthquakes were recorded by scientists that hit an area about 300 miles west of Coos Bay, Oregon, on Sunday and Monday.
A tsunami warning, which was lifted about an hour later, was issued for the region by the Pacific Tsunami Warning Center.
A tsunami warning was issued after a 7.4-magnitude earthquake hit off Papua New Guinea Monday.