M5.1 earthquake 1 km E of Masoli, Philippines
A magnitude 5.1 earthquake struck 1 km E of Masoli, Philippines on Fri, Feb 4, 1977, 6:21 PM GMT+8 (10:21 UTC), 61 km (38 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.1 (mb), moderate
- Local time
- UTC
- 1977-02-04 10:21:47 UTC
- Depth
- 61.0 km (37.9 mi), shallow
- Epicenter
- 13.360° N, 123.405° 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.
- Stations used
- 30
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 usp0000mfc. Read Tue, Sep 22, 2026, 8:38 AM UTC.