M6.9 earthquake near Ilagan, Cagayan Valley
17984 d ago · 21 Jul 1977, 13:45 UTC 22 km SSW of Dicabisagan, Philippines
What happened
A magnitude 6.9 earthquake struck 22 km SSW of Dicabisagan, Philippines on 21 Jul 1977, 13:45 UTC at a depth of 33 km.
Earthquakes of this size are classed as Strong. Can cause damage in populated areas up to tens of kilometres away. This was a shallow earthquake, which tends to be felt more strongly at the surface.
The nearest town in our records is Ilagan, about 58 km away in Cagayan Valley, Philippines.
Timeline
First reported by USGS
16 Oct 2026, 20:46 UTC
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