M4.2 earthquake 3 km SSE of San Luis, Philippines
A magnitude 4.2 earthquake struck 3 km SSE of San Luis, Philippines on Tue, Jan 15, 1991, 1:57 AM GMT+8 (17:57 UTC), 82 km (51 mi) below the surface.
A larger quake followed: M5.1 3 km SSE of Lukatan, 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
- 1991-01-14 17:57:20 UTC
- Depth
- 81.7 km (50.8 mi), intermediate-depth
- Epicenter
- 7.414° N, 126.563° 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: 2 in the 60 days after this one and 3 in the 30 days before it.
After
- 5.13 km SSE of Lukatan, Philippines · 13003 days ago · 132 km deep · 51 km away
- 4.285 km E of Santiago, Philippines · 12994 days ago · 10 km deep · 88 km away
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0004kpy. Read Mon, Sep 28, 2026, 3:42 AM UTC.