M 5.6 Earthquake: South Pacific Ocean (Vanuatu) — April 4, 1983

M 5.6 Earthquake: South Pacific Ocean (Vanuatu) — April 4, 1983. Epicenter 480 km E of Luganville, depth 33 km, 14:15 Local (1983-04-04 03:15 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (480 km E, Vanuatu) — -14.343, 171.481

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