M 5.9 earthquake in Mongolia (Olgiy) — July 23, 1988

M 5.9 earthquake in Mongolia (Olgiy) — July 23, 1988. Epicenter 52 km SE of Olgiy, depth 18 km, 15:38 Local (1988-07-23 07:38 UTC). Shaking felt by ~6.6M people. Readings from every reporting agency, affected towns, aftershock sequence.

52 km SE of Olgiy (Mongolia) — 48.706, 90.565

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