M 4.7 earthquake near 菲律宾海 (Guam) — 1990-08-31

Magnitude 4.7 earthquake near 菲律宾海（Agana西南502公里，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.

菲律宾海（Agana西南502公里，Guam） — 11.383, 140.652

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