M4.7 earthquake 30 km ESE of San Ignacio, Philippines
A magnitude 4.7 earthquake struck 30 km ESE of San Ignacio, Philippines on Sat, May 30, 1987, 8:37 PM GMT+8 (12:37 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.8 44 km E of Pondaguitan, 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
- 1987-05-30 12:37:12 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 6.976° N, 126.720° 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: 1 in the 60 days after this one and 4 in the 30 days before it.
After
Before
- 4.675 km ESE of Santiago, Philippines · 14378 days ago · 33 km deep · 54 km away
- 4.826 km ESE of Santiago, Philippines · 14380 days ago · 80 km deep · 28 km away
- 6.722 km SE of Manay, Philippines · 14380 days ago · 25 km deep · 13 km away
- 4.426 km SE of Manay, Philippines · 14388 days ago · 116 km deep · 11 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00035cw. Read Thu, Sep 24, 2026, 12:00 PM UTC.