M4.2 earthquake 110 km W of Basco, Philippines
A magnitude 4.2 earthquake struck 110 km W of Basco, Philippines on Wed, Jan 11, 1984, 10:11 PM GMT+8 (14:11 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.4 117 km W 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
- 4.2 (mb), light
- Local time
- UTC
- 1984-01-11 14:11:54 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 20.378° N, 120.912° 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
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.4117 km W of Basco, Philippines · 15595 days ago · 33 km deep · 15 km away
- 4.585 km SW of Basco, Philippines · 15594 days ago · 66 km deep · 70 km away
- 3.9129 km W of Basco, Philippines · 15594 days ago · 38 km deep · 20 km away
- 4.7107 km W of Basco, Philippines · 15594 days ago · 21 km deep · 11 km away
- 4.390 km W of Basco, Philippines · 15594 days ago · 33 km deep · 22 km away
- 4.493 km W of Basco, Philippines · 15590 days ago · 35 km deep · 21 km away
- 4.898 km WNW of Basco, Philippines · 15588 days ago · 19 km deep · 44 km away
- 4.9108 km W of Basco, Philippines · 15578 days ago · 33 km deep · 3 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000215c. Read Thu, Sep 24, 2026, 5:10 AM UTC.