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Purveyor

(29,876 posts) Sun Sep 3, 2017, 02:35 AM Sep 2017

TOKYO (Reuters) - Tremors caused by a suspected nuclear test in North Korea were at least ten times as powerful as the last time Pyongyang exploded an atomic bomb a year ago, the Japan Meteorological Agency (JMA) said on Sunday.

“It was a least ten times as powerful,” a JMA official said at a briefing aired by public broadcaster NHK.

The previous nuclear blast in North Korea is estimated by experts to have been around 10 kilotons.

http://www.reuters.com/article/us-northkorea-missiles-nuclear-japan/japan-says-tremors-in-north-korea-were-10-times-as-powerful-as-previous-nuclear-test-idUSKCN1BE07M

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Highlight:

Japan Says Tremors In North Korea Were 10 Times As Powerful As Previous Nuclear Test (Original Post) Purveyor Sep 2017 OP

I live in CA and am familiar with earthquakes and reading Richter Scales. BigmanPigman Sep 2017 #1

(51,569 posts)

1. I live in CA and am familiar with earthquakes and reading Richter Scales.

Sun Sep 3, 2017, 02:54 AM

Sep 2017

Each whole number larger is 10× the previous whole number.

It was a 6.3 earthquake in N Korea. That is 10× bigger than a 5.3 one.