Undersea 6.2 magnitude quake strikes off northeast Japan

Source: Reuters

Reuters) - A 6.2 magnitude earthquake struck off the northeastern coast of Japan on Tuesday, the U.S. Geological Survey reported.

The quake was centered 96 km (60 miles) east-northeast off Miyako at a depth of 9.7 km (6.0 miles).

The was no immediate tsunami warning issued by the Pacific Tsunami Warning Center

Read more: http://www.reuters.com/article/2012/10/01/us-japan-quake-idUSBRE8901GD20121001

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2 replies	Author	Time	Post
Undersea 6.2 magnitude quake strikes off northeast Japan (Original post)	MindMover	Oct 2012	OP
Generally speaking, only quakes of magnitude 7 or above generate tsunamis	KamaAina	Oct 2012	#1
It was no biggie, actually	Art_from_Ark	Oct 2012	#2

Response to MindMover (Original post)

Mon Oct 1, 2012, 07:06 PM

KamaAina (78,249 posts)

1. Generally speaking, only quakes of magnitude 7 or above generate tsunamis

We can only hope.

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Response to KamaAina (Reply #1)

Mon Oct 1, 2012, 09:09 PM

Art_from_Ark (27,247 posts)

2. It was no biggie, actually

The greatest land-based intensity of that earthquake was only a 3 on the Japanese scale, meaning that things might have rattled around for a little bit but there wouldn't be any damage to speak of. No tsunami warnings were issued in Japan, and even if they had been, they would have been for tsunamis of less than 1/2 meter (20 inches) in height for that kind of magnitude that far offshore and that far beneath the surface. The waves generated by the recent typhoon were higher than that.

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