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2016年4月15日熊本県の地震(余震)
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1.地震について (Earthquake Information)

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2016/04/15,00:03:46.262 32.7205 130.7731 6.2 6.4
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Table1. Earthquake information. Origin time, Epicentral latitude, longitude, depth, and JMA magnitude from the left.(ref. Hi-net catalog)

Fig.1. Event location.

2.観測点分布 (Station Distribution)

Fig.2. Station Distribution.

3.緊急地震速報発信状況 (Earthquake Early Warning Report)

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   [01] 16/04/15-00:03:48 5- M5.6 32.6N 130.8E 010km (16/04/15-00:03:52)
   [06] 16/04/15-00:03:46 6- M6.2 32.7N 130.8E 010km (16/04/15-00:03:59)
   [10] 16/04/15-00:03:46 6+ M6.6 32.7N 130.8E 010km (16/04/15-00:04:25)
   [11] 16/04/15-00:03:46 6+ M6.6 32.7N 130.8E 010km (16/04/15-00:04:45)
   [12] 16/04/15-00:03:46 6+ M6.6 32.7N 130.8E 010km (16/04/15-00:04:55)
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（左から順に情報番号，震源時，最大予測震度，マグニチュード，震央緯度，震央経度，震源深さ，電文発表時刻） from CEORKA
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Table2. Earthquake early warning reports. Information ID, Origin time, Maximum Intensity, JMA magnitude, Epicentral latitude, longitude, depth, and time to issue the report from the left.(ref. The Committee of Earthquake Observation and Research in the Kansai Area)

--> 気象庁による緊急地震速報の内容

4.観測記録 (Observed Records)

Fig.3. Peak Ground Acceleration (left) and Peak Ground Velocity (right).

Fig.4. JMA seismic intensity.

Fig.5. Population exposure. A circle size shows the population at the town, and a circle color shows the seismic intensity at the town.

Fig.6. Seismic activity of past 40 years.

5.解析結果 (Analytical Result)

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   KMM0061604150003 130.777 32.793 1.091 1.718 8.094 6.4 5.6
   KMMH161604150003 130.820 32.797 0.991 2.058 9.521 6.4 5.5
   KMMH141604150003 130.752 32.634 1.173 2.098 9.739 6.4 5.6
   KMM0111604150003 130.865 32.617 1.490 2.748 14.393 6.4 5.8
   KMM0051604150003 130.877 32.876 0.519 3.328 19.829 6.4 4.9
   KMM0091604150003 130.986 32.686 1.458 3.748 20.293 6.4 5.8
   KMMH071604150003 130.558 32.623 2.180 4.328 22.837 6.4 6.2
   KMMH091604150003 130.905 32.490 0.985 5.318 28.376 6.4 5.5
   KMM0121604150003 130.602 32.508 0.832 5.348 28.515 6.4 5.3
   KMM0101604150003 130.487 32.614 2.184 5.388 29.305 6.4 6.2
   Observed/Estimated Mw(median) tauc 6.4 5.6 1.1
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Table3. Analytical results using Tau_c method (Wu and Kanamori, 2005). Station ID, Station longitude, latitude, tauc, P-arrival time, epicentral distance(km) , magnitude, and estimated magnitude from the left.