Japan 2013

The earthquake catalog used in this study is produced by the Japan Meteorological Agency, in cooperation with the Ministry of Education, Culture, Sports, Science and Technology. The catalog is based on seismic data provided by the National Research Institute for Earth Science and Disaster Prevention, the Japan Meteorological Agency, Hokkaido University, Hirosaki University, Tohoku University, the University of Tokyo, Nagoya University, Kyoto University, Kochi University, Kyushu University, Kagoshima University, the National Institute of Advanced Industrial Science and Technology, the Geographical Survey Institute, Tokyo Metropolis, Shizuoka Prefecture, Hot Springs Research Institute of Kanagawa Prefecture, Yokohama City, and Japan Agency for Marine-Earth Science and Technology.
For clarity on these “reviewed” 2013 monthly maps I have only used earthquake events above magnitude 1.0
At the bottom of each map is a list of the number of quakes of each magnitude, the totals for the month and the total energy released in tons of TNT (TTNT)
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Click on Icon for event details.
To view larger map and the list, which has newest events at the top, click on text “View Larger Map” below map.
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2013 summary
mag1= 47,316 , mag2= 22,785 , mag3= 6,389, mag4= 1,183 , mag5= 181 , mag6= 13
total= 77,868
total energy released= 4,617,447 TTNT

December 2013

summary

mag1= 3,800 , mag2= 1,782 , mag3= 491
mag4= 88 , mag5= 16 , mag6= 3
total= 6,180
total energy released= 250,666.530 TTNT

November 2013

summary

mag1= 3615 , mag2= 1717 , mag3= 588
mag4= 109 , mag5= 15 , mag6= 1
total= 6045
total energy released= 50,117.581 TTNT

October 2013

summary

mag1= 3,567 , mag2= 1,776 , mag3= 612
mag4= 134 , mag5= 14 , mag6= 2
[M6.7, Sea of Okhotsk, 01/10] , [M6.5, Hualien, Taiwan, 31/10] , mag7= 1 [M7.1, Far E off N Honshu, 25/10]
total= 6,106
total energy released= 961,018.051 TTNT

September 2013

summary

mag1= 3,944 , mag2= 1,702 , mag3= 387
mag4= 92 , mag5= 5 , mag6= 1
[M6.8, Nr Torishima Is., 04/09]
total= 6,131
total energy released= 267,447.283 TTNT

August 2013

summary

mag1= 4994 , mag2= 2395 , mag3= 598
mag4= 107 , mag5= 13 , mag6= 1 [M6.0, E off Miyagi Pref., 04/08]
total= 8108, total energy released= 45,806.918 TTNT

July 2013

summary

mag1= 4,191 , mag2= 1,855 , mag3= 488
mag4= 92 , mag5= 16 [M5.5, E Off Hachijojima Is., 27/07] mag6= 0, total= 6,642, total energy released= 27,382 TTNT

June 2013

summary

mag1= 3,848 , mag2= 1,798 , mag3= 484
mag4= 74 , mag5= 14 , mag6= 1 [M6.3, Taiwan, 02/06]
total= 6,219
total energy released= 87,672 TTNT

May 2013

summary

mag1= 4,331 , mag2= 1,822 , mag3= 496
mag4= 79 , mag5= 13 , mag6= 1 [M6.0, Near East Coast Of Honshu, 18/05], mag7= 1 [M7.3, Marianas Is, 14/05]
total= 6,743
total energy released= 1,394,842.088 TTNT

March 2013

summary

mag1= 3,878, mag2= 1,816, mag3= 453, mag4= 74
mag5= 10, mag6= 1, mag7=0, total= 6,232
total energy released= 32,586.777 TTNT

April 2013

summary

mag1= 4451 , mag2= 2370 , mag3= 655
mag4= 147 , mag5= 20 , mag6= 2
total= 7,646
total energy released= 1,093,514.342 TTNT

February 2013

summary

mag1= 3,409, mag2= 1,906, mag3= 577, mag4= 94
mag5= 23, mag6= 0, mag7=0, total= 6,912
total energy released= 373,402.18 TTNT

January 2013

summary

mag1= 3288 , mag2= 1846 , mag3= 560
mag4= 93 , mag5= 22 , mag6= 0
total= 5809
total energy released= 32,994.43 TTNT

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