M4.6 earthquake 35 km SSE of Tamisan, Philippines
A magnitude 4.6 earthquake struck 35 km SSE of Tamisan, Philippines on Fri, Apr 13, 1973, 8:10 AM GMT+8 (00:10 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.0 50 km ESE of Santiago, 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, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1973-04-13 00:10:38 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 6.560° N, 126.449° 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
- Stations used
- 15
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 3 in the 30 days before it.
After
- 5.050 km ESE of Santiago, Philippines · 19519 days ago · 33 km deep · 83 km away
- 4.4110 km ESE of Pondaguitan, Philippines · 19478 days ago · 84 km deep · 95 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00001cm. Read Fri, Oct 2, 2026, 1:16 PM UTC.