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Author Topic: Japan had a 6.7 Earthquake today  (Read 1254 times)

Offline zorgon

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Japan had a 6.7 Earthquake today
« on: February 17, 2015, 01:10:35 AM »
Japan had a 6.7 Earthquake today



6-FEB-2015 23:06:27   39.83   142.89   6.7   23   NEAR EAST COAST OF HONSHU, JAPAN

Same region as before  Tsunami warning issued

17-FEB-2015 04:46:38   40.18   141.89   5.8   40   NEAR EAST COAST OF HONSHU, JAPAN     5005793
17-FEB-2015 01:15:02   39.74   142.94   4.6   10   NEAR EAST COAST OF HONSHU, JAPAN     5005776
16-FEB-2015 23:06:27   39.83   142.89   6.7   23   NEAR EAST COAST OF HONSHU, JAPAN     5005769
15-FEB-2015 00:14:27   36.70   141.09   4.8   10   NEAR EAST COAST OF HONSHU, JAPAN     5005610
10-FEB-2015 19:23:48   38.26   141.80   4.6   55   NEAR EAST COAST OF HONSHU, JAPAN     5004878
07-FEB-2015 06:19:05   35.81   140.17   4.3   67   NEAR EAST COAST OF HONSHU, JAPAN     5004588
30-JAN-2015 11:31:47   35.98   140.24   4.5   35   NEAR EAST COAST OF HONSHU, JAPAN     5003804
26-JAN-2015 01:31:55   38.19   141.65   4.4   51   NEAR EAST COAST OF HONSHU, JAPAN     5003316
25-JAN-2015 22:20:01   35.82   140.54   4.9   34   NEAR EAST COAST OF HONSHU, JAPAN     5003300
20-JAN-2015 14:35:04   36.47   141.74   4.4   10   NEAR EAST COAST OF HONSHU, JAPAN     4894755
19-JAN-2015 03:15:02   40.44   141.98   4.6   32   NEAR EAST COAST OF HONSHU, JAPAN     5004114
18-JAN-2015 13:51:22   35.75   140.71   4.0   51   NEAR EAST COAST OF HONSHU, JAPAN     4894589

http://ds.iris.edu/seismon/

Offline zorgon

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Re: Japan had a 6.7 Earthquake today
« Reply #1 on: February 17, 2015, 01:13:20 AM »
Tsunami & evacuation warnings after M6.9 offshore quake in Japan



An earthquake measuring at 6.9 magnitude has struck off Honshu island in northern Japan, prompting a tsunami advisory which anticipated waves of up to 1m in height in Iwate Prefecture. People in some coastal areas have been advised to leave their homes.

The quake was recorded at around 8 am local time at a depth of approximately 10 kilometers. The epicenter was located off the Sanriku Coast, extending from southern Aomori prefecture, through Iwate prefecture and northern Miyagi prefecture.The strong quake could even be felt in in Tokyo, 690 kilometers away from the epicenter.

Japan Meteorological Survey issued a tsunami advisory for the Iwate Prefecture, warning that the waves may reach 1 meter in height. Two hours after the initial quake the agency lifted the tsunami warning for the country's northeast coast.



http://rt.com/news/232923-japan-earthquake-tsunami-warning/

Offline Lunica

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Re: Japan had a 6.7 Earthquake today
« Reply #2 on: February 17, 2015, 03:58:58 AM »
My guess, no real Tsunami.

It seems tsunamis only occur with a magnitude over 8 in some way?!?!



Offline ArMaP

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Re: Japan had a 6.7 Earthquake today
« Reply #3 on: February 17, 2015, 07:32:49 AM »
My guess, no real Tsunami.

It seems tsunamis only occur with a magnitude over 8 in some way?!?!

It depends, as it's not the magnitude of the earthquake that causes the tsunami, it's the amount of water displaced, so a relatively small earthquake that causes an underwater landslide can create a large tsunami.

Offline Somamech

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Re: Japan had a 6.7 Earthquake today
« Reply #4 on: February 17, 2015, 08:56:10 AM »
For all the poop the PTB recieve from all walks of life... One gotta give credit to the USGS for this website as it is truly informative:

Surviving a Tsunami—Lessons from Chile, Hawaii, and Japan

http://pubs.usgs.gov/circ/c1187/

Seen safely from high ground, a wave of the 1960 Chilean tsunami pours into Onagawa, Japan.


 


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