M4.9 earthquake 3 km E of Madrid, Philippines
A magnitude 4.9 earthquake struck 3 km E of Madrid, Philippines on Wed, Mar 12, 1975, 9:26 AM GMT+8 (01:26 UTC), 100 km (62 mi) below the surface.
A larger quake followed: M5.1 37 km E of Cortes, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb), light
- Local time
- UTC
- 1975-03-12 01:26:43 UTC
- Depth
- 100.0 km (62.1 mi), intermediate-depth
- Epicenter
- 9.264° N, 125.997° 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
- 16
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 8 in the 60 days after this one and 0 in the 30 days before it.
After
- 5.010 km SW of Ipil, Philippines · 18797 days ago · 38 km deep · 87 km away
- 5.03 km SE of Mabahin, Philippines · 18782 days ago · 52 km deep · 25 km away
- 5.137 km E of Cortes, Philippines · 18782 days ago · 33 km deep · 59 km away
- 4.942 km ENE of Cortes, Philippines · 18782 days ago · 66 km deep · 64 km away
- 4.92 km WSW of Mabahin, Philippines · 18781 days ago · 90 km deep · 20 km away
- 5.119 km E of Burgos, Philippines · 18780 days ago · 77 km deep · 40 km away
- 5.032 km E of Cortes, Philippines · 18778 days ago · 33 km deep · 54 km away
- 4.848 km NE of Cortes, Philippines · 18774 days ago · 46 km deep · 68 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000a6w. Read Tue, Sep 29, 2026, 10:44 PM UTC.