M4.5 earthquake 85 km SW of Basco, Philippines
A magnitude 4.5 earthquake struck 85 km SW of Basco, Philippines on Sat, Jan 14, 1984, 5:54 AM GMT+8 (21:54 UTC), 66 km (41 mi) below the surface.
A larger quake followed: M4.7 107 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
- 4.5 (mb), light
- Local time
- UTC
- 1984-01-13 21:54:15 UTC
- Depth
- 66.0 km (41.0 mi), shallow
- Epicenter
- 19.926° N, 121.374° 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: 7 in the 60 days after this one and 5 in the 30 days before it.
After
- 3.9129 km W of Basco, Philippines · 15594 days ago · 38 km deep · 78 km away
- 4.7107 km W of Basco, Philippines · 15593 days ago · 21 km deep · 76 km away
- 4.390 km W of Basco, Philippines · 15593 days ago · 33 km deep · 68 km away
- 4.493 km W of Basco, Philippines · 15590 days ago · 35 km deep · 70 km away
- 4.898 km WNW of Basco, Philippines · 15587 days ago · 19 km deep · 96 km away
- 4.9108 km W of Basco, Philippines · 15577 days ago · 33 km deep · 67 km away
- 5.467 km N of Namuac, Philippines · 15549 days ago · 34 km deep · 80 km away
Before
- 4.4117 km W of Basco, Philippines · 15594 days ago · 33 km deep · 85 km away
- 4.2110 km W of Basco, Philippines · 15596 days ago · 33 km deep · 70 km away
- 5.298 km W of Basco, Philippines · 15596 days ago · 22 km deep · 72 km away
- 4.8102 km WSW of Basco, Philippines · 15603 days ago · 33 km deep · 25 km away
- 4.557 km SSE of Basco, Philippines · 15624 days ago · 33 km deep · 94 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002179. Read Wed, Sep 23, 2026, 8:28 PM UTC.