M4.8 earthquake 21 km ESE of San Ignacio, Philippines
A magnitude 4.8 earthquake struck 21 km ESE of San Ignacio, Philippines on Fri, May 9, 1975, 10:46 PM GMT+8 (14:46 UTC), 88 km (55 mi) below the surface.
A larger quake followed: M4.9 60 km ESE of Bobon, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1975-05-09 14:46:48 UTC
- Depth
- 88.0 km (54.7 mi), intermediate-depth
- Epicenter
- 7.013° N, 126.651° 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
- 12
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.960 km ESE of Bobon, Philippines · 18736 days ago · 49 km deep · 50 km away
- 4.23 km SE of Dumlan, Philippines · 18728 days ago · 71 km deep · 94 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000ayz. Read Thu, Oct 1, 2026, 4:59 AM UTC.