M4.7 earthquake 7 km N of Socorro, Philippines
A magnitude 4.7 earthquake struck 7 km N of Socorro, Philippines on Wed, Aug 12, 1987, 8:27 AM GMT+8 (00:27 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.2 34 km ENE of Bacolod, 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
- 1987-08-12 00:27:07 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 9.686° N, 125.978° 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.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 5 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.845 km NE of Santa Monica, Philippines · 14275 days ago · 52 km deep · 78 km away
- 5.234 km ENE of Bacolod, Philippines · 14256 days ago · 60 km deep · 94 km away
- 5.136 km ENE of Bacolod, Philippines · 14255 days ago · 38 km deep · 95 km away
- 4.929 km ESE of Cortes, Philippines · 14244 days ago · 62 km deep · 73 km away
- 4.913 km ENE of Bacolod, Philippines · 14235 days ago · 70 km deep · 92 km away
Before
- 4.454 km NNE of Santa Monica, Philippines · 14307 days ago · 33 km deep · 92 km away
- 4.751 km ENE of Santa Monica, Philippines · 14309 days ago · 33 km deep · 76 km away
- 4.650 km ENE of Cortes, Philippines · 14311 days ago · 33 km deep · 70 km away
- 5.064 km ENE of Santa Monica, Philippines · 14313 days ago · 27 km deep · 90 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00037f8. Read Sun, Sep 27, 2026, 7:53 PM UTC.