M 5.5 earthquake: South Atlantic Ocean (Chile) — June 21, 1987

M 5.5 earthquake: South Atlantic Ocean (Chile) — June 21, 1987. Epicenter 267 km S of Puerto Williams, depth 33 km, 06:08 Local (1987-06-21 10:08 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (267 km S, Chile) — -57.295, -66.815

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