M 4.9 earthquake: South Pacific Ocean (Tonga) — August 11, 1991

M 4.9 earthquake: South Pacific Ocean (Tonga) — August 11, 1991. Epicenter 374 km NW of Neiafu, depth 300 km, 08:39 Local (1991-08-11 20:39 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (374 km NW, Tonga) — -15.946, -176.083

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