M4.7 earthquake 12 km NE of Estrella, Philippines
A magnitude 4.7 earthquake struck 12 km NE of Estrella, Philippines on Wed, Sep 9, 1981, 1:37 AM GMT+8 (17:37 UTC), 41 km (25 mi) below the surface.
A larger quake followed: M5.0 3 km SSW of Calantas, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1981-09-08 17:37:30 UTC
- Depth
- 40.7 km (25.3 mi), shallow
- Epicenter
- 13.403° N, 121.401° 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
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.51 km SW of Gulod, Philippines · 16439 days ago · 193 km deep · 99 km away
- 5.03 km SSW of Calantas, Philippines · 16424 days ago · 238 km deep · 91 km away
- 4.03 km NW of Bagalangit, Philippines · 16423 days ago · 127 km deep · 69 km away
- 5.06 km NW of Tingloy, Philippines · 16402 days ago · 172 km deep · 70 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001frk. Read Tue, Sep 22, 2026, 4:15 AM UTC.