M4.4 earthquake 101 km SW of Basco, Philippines
A magnitude 4.4 earthquake struck 101 km SW of Basco, Philippines on Fri, Sep 5, 1986, 3:23 PM GMT+8 (07:23 UTC), 79 km (49 mi) below the surface.
A larger quake followed: M4.5 106 km WSW of Basco, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb), light
- Local time
- UTC
- 1986-09-05 07:23:39 UTC
- Depth
- 78.8 km (49.0 mi), intermediate-depth
- Epicenter
- 19.916° N, 121.184° 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: 2 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.5106 km WSW of Basco, Philippines · 14610 days ago · 48 km deep · 16 km away
- 4.893 km SW of Basco, Philippines · 14589 days ago · 33 km deep · 10 km away
Before
- 4.859 km N of Namuac, Philippines · 14634 days ago · 51 km deep · 86 km away
- 5.678 km WSW of Basco, Philippines · 14654 days ago · 33 km deep · 25 km away
- 5.065 km SW of Basco, Philippines · 14654 days ago · 33 km deep · 35 km away
- 3.957 km NNE of Namuac, Philippines · 14656 days ago · 33 km deep · 94 km away
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002xur. Read Thu, Sep 24, 2026, 3:03 AM UTC.