[guide.chat] news new guinea earthquake
- From: vanessa <qwerty1234567a@xxxxxxxxx>
- To: "GUIDE CHAT" <guide.chat@xxxxxxxxxxxxx>
- Date: Fri, 23 Mar 2012 07:26:29 -0000
22 March 2012 | last updated at 08:44am
6.7-magnitude quake strikes Papua New Guinea
SYDNEY: A 6.7-magnitude earthquake struck Papua New Guinea today, the US
Geological Survey reported, but seismologists said while it was widely felt it
was too deep to cause much damage.
The quake hit some 62 kilometres (39 miles) from the Eastern Highlands
provincial capital Goroka and 324 kilometres from the national capital Port
Moresby at a depth of 105 kilometres.
?At over 100 kilometres deep it would not have caused any damage. No big
dramas,? said GeoScience duty seismologist Dan Jack.
?It was felt in Port Moresby, but just a rumble.? Chris McKee, assistant
director at the Port Moresby Geophysical Observatory told AFP it was felt
widely, but also said it was too deep to be of concern.
?It was felt over quite a large area of PNG but because it was deep so we
wouldn?t expect all that much damage,? he said.
Quakes of such magnitude are common in impoverished Papua New Guinea, which
sits on the so-called ?Pacific Ring of Fire?, a hotspot for seismic activity
due to friction between tectonic plates.
Last week, a 6.4-magnitude earthquake struck the New Britain region of the
country, with no damage or injuries reported.
?Commonly the structures in PNG don?t seem to break up as you see in other
places such as parts of Southern Europe and the Middle East, they tend to be
able to absorb the shaking and not break. It?s a diferent construction style,?
said McKee.
?In the Middle East it?s made with mud bricks or masonery which are not very
tolerant of shaking, whereas here it is timber which can move around more.?
A giant tsunami in 1998, caused by an undersea earthquake, killed more than
2,000 people near Aitape, on the country?s northwest coast.
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