M5.9 earthquake 127 km WSW of Basco, Philippines
A magnitude 5.9 earthquake struck 127 km WSW of Basco, Philippines on Fri, Apr 1, 1938, 8:43 AM GMT+8 (00:43 UTC), 25 km (16 mi) below the surface.
A larger quake followed: M6.0 158 km NNW of Pagudpud, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.9 (mw), moderate
- Local time
- UTC
- 1938-04-01 00:43:54 UTC
- Depth
- 25.0 km (15.5 mi), shallow
- Epicenter
- 20.009° N, 120.847° 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.
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayPhilippines earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem902418. Read Tue, Sep 22, 2026, 8:32 PM UTC.