Tsunami alert after 7.5-magnitude natural disaster off Papua New Guinea - USGS

Tsunami alert after 7.5-magnitude natural disaster off Papua New Guinea - USGS

A tsunami warning has been issued after a 7.7 magnitude quake struck off the Papua New Guinea coast.

The United States Geological Survey measured the quake at 7.5 and said it struck at a depth of 6 miles around midnight local time. It said the quake struck 10 kilometers (6 miles) below the seabed, which is very shallow.

Papua New Guinea's rugged highlands region was hit by a 7.5-magnitude quake in February past year that buried homes and triggered landslides, killing at least 125 people.

Kokopo town has a rapidly grown population of more than 20,000. It said there was no tsunami threat to Hawaii or Guam.

A short time later, it said it had assessed the quake with the assistance of science advisors, and "the initial assessment is that the natural disaster is unlikely to have caused a tsunami that will affect New Zealand".

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Papua New Guinea lies along the Pacific's so-called "Ring of Fire", a 25,000-mile horseshoe-shaped ring, accounting for approximately 90 percent of the world's earthquakes, according to the USGS.

A magnitude 7.5 natural disaster in February 2018 in the nation's central region killed at least 125 people and forced another 35,000 from their homes.

A Tsunami alert was issued by the U.S. Tsunami Warning system, saying "based on all available data.hazardous Tsunami waves are forecast for some coasts".

USGS said the quake was "the result of shallow strike-slip faulting within the interior of the Pacific plate".

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