M3.7 earthquake 24 km NNW of Cortes, Philippines
A magnitude 3.7 earthquake struck 24 km NNW of Cortes, Philippines on Mon, Oct 12, 1981, 10:51 PM GMT+8 (14:51 UTC), 49 km (30 mi) below the surface.
A larger quake followed: M4.1 31 km N of Santa Monica, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.7 (mb), minor
- Local time
- UTC
- 1981-10-12 14:51:50 UTC
- Depth
- 48.6 km (30.2 mi), shallow
- Epicenter
- 9.493° N, 126.148° 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 1.5 and up: 6 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.131 km N of Santa Monica, Philippines · 16412 days ago · 66 km deep · 91 km away
- 4.940 km NNE of Santa Monica, Philippines · 16400 days ago · 52 km deep · 98 km away
- 3.65 km NNW of Marihatag, Philippines · 16394 days ago · 87 km deep · 73 km away
- 5.013 km S of Claver, Philippines · 16389 days ago · 33 km deep · 43 km away
- 4.36 km WSW of Gamut, Philippines · 16381 days ago · 105 km deep · 56 km away
- 5.050 km ENE of Pilar, Philippines · 16372 days ago · 33 km deep · 69 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001ge3. Read Tue, Sep 22, 2026, 1:59 AM UTC.