M 6.9 earthquake near Cagayan, 菲律宾 — 1977-07-21

Magnitude 6.9 earthquake near Tuguegarao东南106公里（菲律宾）, depth 33 km, 22:45 Local (1977-07-21 13:45 UTC). Shaking felt by ~5561万 people. Readings from every reporting agency, affected towns, aftershock sequence.

Tuguegarao东南106公里（菲律宾） — 16.882, 122.361

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