M 5.6 earthquake: South Pacific Ocean (Vanuatu) — December 28, 1983

M 5.6 earthquake: South Pacific Ocean (Vanuatu) — December 28, 1983. Epicenter 276 km N of Luganville, depth 114 km, 18:24 Local (1983-12-28 06:24 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (276 km N, Vanuatu) — -13.056, 166.781

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