M5.1 earthquake 36 km ENE of Bacolod, Philippines
A magnitude 5.1 earthquake struck 36 km ENE of Bacolod, Philippines on Thu, Sep 17, 1987, 10:21 PM GMT+8 (14:21 UTC), 38 km (24 mi) below the surface.
A larger quake followed: M5.4 30 km E of Union, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.1 (ms), moderate
- Local time
- UTC
- 1987-09-17 14:21:03 UTC
- Depth
- 38.1 km (23.7 mi), shallow
- Epicenter
- 9.081° N, 126.587° 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
- CONSTRAINED_BY_DEPTH_PHASES
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.1 and up: 5 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.929 km ESE of Cortes, Philippines · 14244 days ago · 62 km deep · 22 km away
- 4.913 km ENE of Bacolod, Philippines · 14235 days ago · 70 km deep · 23 km away
- 4.78 km SSE of Gamut, Philippines · 14219 days ago · 33 km deep · 46 km away
- 4.619 km NNW of Cortes, Philippines · 14218 days ago · 101 km deep · 63 km away
- 5.430 km E of Union, Philippines · 14200 days ago · 25 km deep · 82 km away
Before
- 4.748 km ENE of Aras-asan, Philippines · 14256 days ago · 33 km deep · 14 km away
- 5.234 km ENE of Bacolod, Philippines · 14256 days ago · 60 km deep · 2 km away
- 4.746 km ENE of Hinatuan, Philippines · 14285 days ago · 74 km deep · 64 km away
- 5.261 km E of Marihatag, Philippines · 14285 days ago · 54 km deep · 49 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00038fq (also filed as iscgem457808). Read Sun, Sep 27, 2026, 8:05 PM UTC.