M4.7 earthquake 0 km SSW of Abra de Ilog, Philippines
A magnitude 4.7 earthquake struck 0 km SSW of Abra de Ilog, Philippines on Thu, Aug 16, 1979, 9:01 AM GMT+8 (01:01 UTC), 54 km (34 mi) below the surface.
A larger quake followed: M5.1 1 km WSW of Bagalangit, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1979-08-16 01:01:01 UTC
- Depth
- 54.0 km (33.6 mi), shallow
- Epicenter
- 13.438° N, 120.726° E
- Region
- Philippines
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Stations used
- 19
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 4 in the 60 days after this one and 4 in the 30 days before it.
After
- 5.11 km WSW of Bagalangit, Philippines · 17208 days ago · 162 km deep · 34 km away
- 4.91 km NE of Balayan, Philippines · 17199 days ago · 154 km deep · 57 km away
- 4.82 km S of Calaca, Philippines · 17197 days ago · 246 km deep · 53 km away
- 4.910 km WNW of Wawa, Philippines · 17175 days ago · 45 km deep · 11 km away
Before
- 4.91 km ESE of Putol, Philippines · 17216 days ago · 129 km deep · 61 km away
- 4.55 km WNW of Cabacao, Philippines · 17231 days ago · 23 km deep · 16 km away
- 5.09 km NNW of Cabacao, Philippines · 17232 days ago · 32 km deep · 10 km away
- 4.715 km NNW of Wawa, Philippines · 17237 days ago · 66 km deep · 18 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00012ev. Read Tue, Sep 29, 2026, 9:18 AM UTC.