M 4.7 earthquake in China (Tangshan) — October 23, 1976

M 4.7 earthquake in China (Tangshan) — October 23, 1976. Epicenter 46 km SW of Tangshan, depth 33 km, 19:06 Local (1976-10-23 11:06 UTC). Shaking felt by ~10.4M people. Readings from every reporting agency, affected towns, aftershock sequence.

46 km SW of Tangshan (China) — 39.277, 117.898

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