M 4.7 earthquake near Mar de Filipinas (Guam) — 1990-08-31

Magnitude 4.7 earthquake near Mar de Filipinas (502 km al SO de Agana, Guam), depth 33 km, 08:01 Local (1990-08-31 23:01 UTC). Shaking felt by 0 people. Readings from every reporting agency, affected towns, aftershock sequence.

Mar de Filipinas (502 km al SO de Agana, Guam) — 11.383, 140.652

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