M4.6 earthquake 109 km SW of Basco, Philippines
A magnitude 4.6 earthquake struck 109 km SW of Basco, Philippines on Sun, Sep 1, 1985, 12:24 AM GMT+8 (16:24 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 1985-08-31 16:24:13 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 19.832° N, 121.154° 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 1.6 and up: 0 in the 60 days after this one and 4 in the 30 days before it.
Before
- 5.097 km SW of Basco, Philippines · 15017 days ago · 28 km deep · 13 km away
- 4.4138 km W of Basco, Philippines · 15019 days ago · 33 km deep · 68 km away
- 4.5Babuyan Islands region, Philippines · 15023 days ago · 70 km deep · 27 km away
- 4.5104 km SW of Basco, Philippines · 15023 days ago · 61 km deep · 27 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002jak. Read Wed, Sep 23, 2026, 4:29 AM UTC.