M4.8 earthquake 285 km SE of Sapa, Philippines
A magnitude 4.8 earthquake struck 285 km SE of Sapa, Philippines on Thu, Mar 1, 1984, 12:55 AM GMT+8 (16:55 UTC), 590 km (367 mi) below the surface.
A larger quake followed: M5.5 299 km SE of Latung, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb), light
- Local time
- UTC
- 1984-02-29 16:55:34 UTC
- Depth
- 590.0 km (366.6 mi), deep
- Epicenter
- 3.095° N, 121.877° 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.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00022c0. Read Wed, Sep 30, 2026, 7:48 PM UTC.