M 4.9 earthquake: South Pacific Ocean (Tonga) — March 31, 1991

M 4.9 earthquake: South Pacific Ocean (Tonga) — March 31, 1991. Epicenter 256 km N of Neiafu, depth 146 km, 22:57 Local (1991-03-31 09:57 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (256 km N, Tonga) — -16.353, -174.185

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