M 5.7 earthquake: South Pacific Ocean (Tonga) — March 11, 1997

M 5.7 earthquake: South Pacific Ocean (Tonga) — March 11, 1997. Epicenter 378 km W of Nuku'alofa, depth 553 km, 15:13 Local (1997-03-11 03:13 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (378 km W, Tonga) — -21.134, -178.863

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