M4.8 earthquake 12 km SE of Basey, Philippines
A magnitude 4.8 earthquake struck 12 km SE of Basey, Philippines on Thu, Feb 20, 1975, 4:20 AM GMT+8 (20:20 UTC), 105 km (65 mi) below the surface.
A larger quake followed: M5.4 1 km NNE of Maypangdan, 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), light
- Local time
- UTC
- 1975-02-19 20:20:31 UTC
- Depth
- 105.0 km (65.2 mi), intermediate-depth
- Epicenter
- 11.195° N, 125.136° 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 1.8 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.41 km NNE of Maypangdan, Philippines · 18798 days ago · 48 km deep · 63 km away
- 5.222 km E of San Julian, Philippines · 18791 days ago · 37 km deep · 85 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00009yz. Read Sun, Sep 27, 2026, 2:29 AM UTC.