M4.9 earthquake 62 km ENE of Basco, Philippines
A magnitude 4.9 earthquake struck 62 km ENE of Basco, Philippines on Sat, Jun 29, 1985, 10:04 AM GMT+8 (02:04 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.2 32 km N 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
- 4.9 (ms), light
- Local time
- UTC
- 1985-06-29 02:04:51 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 20.745° N, 122.480° 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 1.9 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.232 km N of Basco, Philippines · 15060 days ago · 10 km deep · 52 km away
- 4.323 km NE of Basco, Philippines · 15060 days ago · 10 km deep · 40 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002g8h. Read Mon, Sep 21, 2026, 6:20 PM UTC.