M4.6 earthquake 48 km E of Union, Philippines
A magnitude 4.6 earthquake struck 48 km E of Union, Philippines on Fri, Aug 22, 1980, 1:48 AM GMT+8 (17:48 UTC), 27 km (17 mi) below the surface.
A larger quake followed: M5.1 10 km ESE of Talisay, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 1980-08-21 17:48:18 UTC
- Depth
- 27.0 km (16.8 mi), shallow
- Epicenter
- 9.756° N, 126.549° 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
- 18
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 4 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.453 km ENE of Cortes, Philippines · 16830 days ago · 57 km deep · 43 km away
- 5.110 km ESE of Talisay, Philippines · 16823 days ago · 137 km deep · 93 km away
- 4.666 km ENE of La Paz, Philippines · 16816 days ago · 33 km deep · 61 km away
- 4.18 km ENE of Tandag, Philippines · 16815 days ago · 33 km deep · 79 km away
Before
- 4.932 km NNE of Santa Monica, Philippines · 16845 days ago · 52 km deep · 79 km away
- 4.839 km NNE of Santa Monica, Philippines · 16845 days ago · 50 km deep · 76 km away
- 4.939 km NNE of Santa Monica, Philippines · 16845 days ago · 60 km deep · 76 km away
- 5.018 km E of Aras-asan, Philippines · 16858 days ago · 56 km deep · 100 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00019g1 (also filed as iscgemsup640405). Read Tue, Sep 22, 2026, 8:26 PM UTC.