M 4.5 earthquake in China (Zhangye) — February 21, 1991

M 4.5 earthquake in China (Zhangye) — February 21, 1991. Epicenter 104 km S of Zhangye, depth 33 km, 09:49 Local (1991-02-21 01:49 UTC). Shaking felt by ~3M people. Readings from every reporting agency, affected towns, aftershock sequence.

104 km S of Zhangye (China) — 37.993, 100.438

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