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04/18/2026 10:21:05 AM JST
⚠️ SIMULATION
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Pacific Ocean
Sea of Japan
East China Sea
Tokyo
Osaka
Nagoya
Sapporo
Fukuoka
Sendai
Kobe
Niigata
Hiroshima
Naha
Kanazawa
Kumamoto
P-wave (6 km/s)
S-wave (3.5 km/s)
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No Active Alert
System monitoring seismic activity across Japan
17 stations active