M4.6 earthquake 27 km E of Union, Philippines
A magnitude 4.6 earthquake struck 27 km E of Union, Philippines on Mon, Feb 5, 1990, 2:15 AM GMT+8 (18:15 UTC), 55 km (34 mi) below the surface.
A larger quake followed: M4.8 106 km ENE of Santa Monica, 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
- 1990-02-04 18:15:52 UTC
- Depth
- 55.1 km (34.2 mi), shallow
- Epicenter
- 9.715° N, 126.353° 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.
- Depth from
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 3 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.8106 km ENE of Santa Monica, Philippines · 13357 days ago · 33 km deep · 93 km away
- 5.237 km ENE of Aras-asan, Philippines · 13356 days ago · 57 km deep · 86 km away
- 5.95 km ENE of Jagupit, Philippines · 13329 days ago · 39 km deep · 97 km away
Before
- 4.614 km E of Union, Philippines · 13398 days ago · 33 km deep · 13 km away
- 4.952 km E of Pilar, Philippines · 13398 days ago · 33 km deep · 34 km away
- 5.138 km ENE of Santa Monica, Philippines · 13400 days ago · 45 km deep · 42 km away
- 5.281 km ENE of Aras-asan, Philippines · 13407 days ago · 43 km deep · 94 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000452t. Read Wed, Sep 23, 2026, 5:43 AM UTC.