M 4.7 earthquake near Philippine Sea (Northern Mariana Islands) — 1978-06-20

Magnitude 4.7 earthquake near Philippine Sea (775 km N of Capitol Hill, Northern Mariana Islands), depth 316 km, 07:00 Local (1978-06-20 21:00 UTC). Shaking felt by 0 people. Readings from every reporting agency, affected towns, aftershock sequence.

Philippine Sea (775 km N of Capitol Hill, Northern Mariana Islands) — 21.647, 142.918

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