M5.2 earthquake 2 km SSW of Amaga, Philippines
A magnitude 5.2 earthquake struck 2 km SSW of Amaga, Philippines on Sat, Dec 31, 1977, 8:56 AM GMT+8 (00:56 UTC), 46 km (29 mi) below the surface.
A larger quake followed: M5.3 4 km WNW of Amaga, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.2 (mb), moderate
- Local time
- UTC
- 1977-12-31 00:56:33 UTC
- Depth
- 46.0 km (28.6 mi), shallow
- Epicenter
- 8.507° N, 126.058° 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
- 11
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.2 and up: 3 in the 60 days after this one and 4 in the 30 days before it.
After
- 5.34 km WNW of Amaga, Philippines · 17797 days ago · 47 km deep · 6 km away
- 5.12 km W of Javier, Philippines · 17797 days ago · 63 km deep · 2 km away
- 5.04 km S of San Francisco, Philippines · 17791 days ago · 66 km deep · 11 km away
Before
- 4.62 km SSW of Talacogon, Philippines · 17797 days ago · 55 km deep · 32 km away
- 5.31 km N of Alegria, Philippines · 17799 days ago · 53 km deep · 6 km away
- 5.33 km WNW of Amaga, Philippines · 17799 days ago · 52 km deep · 5 km away
- 4.90 km NW of Gamut, Philippines · 17800 days ago · 53 km deep · 20 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000sa4. Read Tue, Sep 22, 2026, 8:41 AM UTC.