M4.6 earthquake 21 km E of Mangili, Philippines
A magnitude 4.6 earthquake struck 21 km E of Mangili, Philippines on Sun, Apr 8, 1973, 2:17 AM GMT+8 (18:17 UTC), 178 km (111 mi) below the surface.
A larger quake followed: M5.3 94 km ESE of Caburan, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 1973-04-07 18:17:10 UTC
- Depth
- 178.0 km (110.6 mi), intermediate-depth
- Epicenter
- 5.969° N, 125.879° 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
- 24
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.635 km SSE of Tamisan, Philippines · 19521 days ago · 33 km deep · 91 km away
- 5.394 km ESE of Caburan, Philippines · 19521 days ago · 30 km deep · 78 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00001a3. Read Tue, Sep 22, 2026, 4:22 PM UTC.