M4.7 earthquake 36 km WSW of Harrison, Philippines
A magnitude 4.7 earthquake struck 36 km WSW of Harrison, Philippines on Fri, Apr 23, 1982, 12:55 AM GMT+8 (16:55 UTC), 47 km (29 mi) below the surface.
A larger quake followed: M4.8 6 km SW of Tingloy, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1982-04-22 16:55:49 UTC
- Depth
- 46.5 km (28.9 mi), shallow
- Epicenter
- 13.308° N, 120.125° 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 1.7 and up: 4 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.422 km WSW of Batasan, Philippines · 16223 days ago · 33 km deep · 89 km away
- 4.62 km NE of Balayan, Philippines · 16211 days ago · 127 km deep · 98 km away
- 4.32 km WSW of Calantas, Philippines · 16211 days ago · 127 km deep · 100 km away
- 4.86 km SW of Tingloy, Philippines · 16197 days ago · 158 km deep · 84 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001kw6. Read Tue, Sep 22, 2026, 3:51 PM UTC.