M5.8 earthquake 99 km NW of Basco, Philippines
A magnitude 5.8 earthquake struck 99 km NW of Basco, Philippines on Mon, Mar 1, 1965, 4:18 PM GMT+8 (08:18 UTC), 30 km (19 mi) below the surface.
A larger quake followed: M6.1 103 km S of Hengchun, Taiwan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.8 (mw), moderate
- Local time
- UTC
- 1965-03-01 08:18:56 UTC
- Depth
- 29.9 km (18.6 mi), shallow
- Epicenter
- 21.051° N, 121.260° 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: 2 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 iscgem858182. Read Wed, Sep 23, 2026, 10:05 AM UTC.