M 7.8 earthquake near Oceano Pacifico settentrionale (Giappone) — 1963-10-20

Magnitude 7.8 earthquake near Oceano Pacifico settentrionale (532 km NE, Giappone), depth 28 km, 10:53 Local (1963-10-20 00:53 UTC). Shaking felt by ~8.9 mln people. Readings from every reporting agency, affected towns, aftershock sequence.

Oceano Pacifico settentrionale (532 km NE, Giappone) — 44.726, 150.547

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