M 4.9 earthquake in Russia (Irkutsk) — February 7, 1980

M 4.9 earthquake in Russia (Irkutsk) — February 7, 1980. Epicenter 101 km SE of Irkutsk, depth 33 km, 00:35 Local (1980-02-06 16:35 UTC). Shaking felt by ~221K people. Readings from every reporting agency, affected towns, aftershock sequence.

101 km SE of Irkutsk (Russia) — 51.689, 105.302

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