M4.4 earthquake 86 km SW of Basco, Philippines
A magnitude 4.4 earthquake struck 86 km SW of Basco, Philippines on Sat, Jul 19, 1986, 1:06 AM GMT+8 (17:06 UTC), 30 km (18 mi) below the surface.
A larger quake followed: M5.0 65 km SW 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
- 1986-07-18 17:06:35 UTC
- Depth
- 29.6 km (18.4 mi), shallow
- Epicenter
- 19.878° N, 121.409° 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: 5 in the 60 days after this one and 1 in the 30 days before it.
After
- 3.957 km NNE of Namuac, Philippines · 14655 days ago · 33 km deep · 88 km away
- 5.065 km SW of Basco, Philippines · 14652 days ago · 33 km deep · 25 km away
- 5.678 km WSW of Basco, Philippines · 14652 days ago · 33 km deep · 27 km away
- 4.859 km N of Namuac, Philippines · 14632 days ago · 51 km deep · 87 km away
- 4.4101 km SW of Basco, Philippines · 14627 days ago · 79 km deep · 24 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002w51. Read Tue, Sep 22, 2026, 11:32 AM UTC.