M4.7 earthquake 23 km ESE of Union, Philippines
A magnitude 4.7 earthquake struck 23 km ESE of Union, Philippines on Wed, Feb 27, 1980, 8:37 AM GMT+8 (00:37 UTC), 56 km (35 mi) below the surface.
A larger quake followed: M4.9 20 km NNE of Cortes, 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
- 1980-02-27 00:37:26 UTC
- Depth
- 56.0 km (34.8 mi), shallow
- Epicenter
- 9.710° N, 126.321° 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
- 15
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 5 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.920 km NNE of Cortes, Philippines · 17000 days ago · 61 km deep · 29 km away
- 4.922 km N of Cortes, Philippines · 16999 days ago · 63 km deep · 29 km away
- 4.712 km SSW of Del Carmen, Surigao del Norte, Philippines · 16993 days ago · 69 km deep · 45 km away
- 5.09 km ENE of Jagupit, Philippines · 16978 days ago · 21 km deep · 89 km away
- 5.93 km NNE of Bacolod, Philippines · 16963 days ago · 49 km deep · 83 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00015qd. Read Tue, Sep 22, 2026, 6:18 AM UTC.