M4.8 earthquake 37 km NE of Loreto, Philippines
A magnitude 4.8 earthquake struck 37 km NE of Loreto, Philippines on Mon, Apr 13, 1981, 8:52 PM GMT+8 (12:52 UTC), 70 km (43 mi) below the surface.
A larger quake followed: M5.0 15 km WNW of General MacArthur, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb), light
- Local time
- UTC
- 1981-04-13 12:52:47 UTC
- Depth
- 69.7 km (43.3 mi), shallow
- Epicenter
- 10.559° N, 125.854° 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.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 7 in the 60 days after this one and 7 in the 30 days before it.
After
- 4.813 km NNE of Gigaquit, Philippines · 16577 days ago · 118 km deep · 95 km away
- 4.721 km SSW of Sulangan, Philippines · 16562 days ago · 74 km deep · 23 km away
- 5.015 km WNW of General MacArthur, Philippines · 16555 days ago · 78 km deep · 95 km away
- 4.726 km SSW of Balangiga, Philippines · 16552 days ago · 107 km deep · 70 km away
- 4.935 km ENE of Santa Monica, Philippines · 16546 days ago · 55 km deep · 76 km away
- 4.934 km ENE of Santa Monica, Philippines · 16545 days ago · 53 km deep · 74 km away
- 4.813 km SW of Guiuan, Philippines · 16542 days ago · 75 km deep · 47 km away
Before
- 4.328 km NE of Pilar, Philippines · 16600 days ago · 57 km deep · 77 km away
- 5.030 km ENE of Pilar, Philippines · 16600 days ago · 50 km deep · 84 km away
- 5.217 km E of Pilar, Philippines · 16600 days ago · 56 km deep · 89 km away
- 4.711 km ESE of Union, Philippines · 16600 days ago · 33 km deep · 100 km away
- 5.015 km NE of Pilar, Philippines · 16605 days ago · 58 km deep · 76 km away
- 5.110 km E of Talisay, Philippines · 16608 days ago · 73 km deep · 84 km away
- 4.226 km ENE of Loreto, Philippines · 16610 days ago · 65 km deep · 14 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001d4j. Read Tue, Sep 22, 2026, 12:05 AM UTC.