The Pacific Tsunami Warning Center lifted its tsunami watch at 1:18 p.m. in Indonesia.
Since 2005, bulletins have been issued by the Japan Meteorological Agency and Pacific Tsunami Warning Center.
The temblor did generate a tsunami just under one foot high, the Pacific Tsunami Warning Center said.
The NWS' Pacific Tsunami Warning Center, in fact, was unmanned at the time.
Since then, bulletins have been issued to 28 Indian Ocean nations by the Japan Meteorological Agency and Pacific Tsunami Warning Center.
The response included the establishment of an interim Advisory Service provided through the Pacific Tsunami Warning Center (PTWC) in Hawaii and the Japan Meteorological Agency (JMA).
No tsunami warning was issued, but the Pacific Tsunami Warning Center said a quake this strong could sometimes generate local tsunami waves within 100km of the epicentre.
The Pacific Tsunami Warning Center of the National Oceanic and Atmospheric Administration (NOAA) issued a tsunami watch for Indonesia, India, Thailand and Malaysia, but canceled it soon after.
The Pacific Tsunami Warning Center said there was no risk of a widespread tsunami, and subsequently dropped all tsunami warnings for the Japanese coast, the Associated Press reports.
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The absence of the Caribbean early warning system does not mean the region is unprotected, as it is covered on an interim bases by the Hawaii-based Pacific Tsunami Warning Center.
The Pacific Tsunami Warning Center said in a statement that "a destructive Pacific-wide tsunami is not expected" as a result of the quakes, and that there is no tsunami threat to Hawaii.
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The quake, which hit about 31 miles inland from the Pacific coast, wouldn't generate a destructive tsunami, but there was the possibility of some local tsunami effects, the Pacific Tsunami Warning Center said.
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