M5.1 earthquake 107 km NNW of Basco, Philippines
A magnitude 5.1 earthquake struck 107 km NNW of Basco, Philippines on Sat, Mar 6, 1971, 4:00 PM GMT+8 (08:00 UTC), 54 km (33 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.1 (mw), moderate
- Local time
- UTC
- 1971-03-06 08:00:22 UTC
- Depth
- 53.8 km (33.4 mi), shallow
- Epicenter
- 21.376° N, 121.677° 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 2.1 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgemsup786190. Read Thu, Sep 24, 2026, 6:18 AM UTC.