M4.6 earthquake 46 km E of Union, Philippines
A magnitude 4.6 earthquake struck 46 km E of Union, Philippines on Wed, Sep 23, 2026, 4:34 AM GMT+8 (20:34 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.7 65 km E of Pilar, 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, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2026-09-22 20:34:43 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 9.689° N, 126.529° E
- Region
- Philippines
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was III, weak shaking. If you felt it, tell the USGS: every report sharpens the shaking map.

How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 11.3 km horizontally, 1.9 km in depth
- Magnitude uncertainty
- ±0.10
- Depth from
- Operator assigned
- Station coverage gap
- 125°
- Stations used
- 29
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 1 since this one and 5 in the 30 days before it.
After
Before
- 4.62 km S of Buenavista, Philippines · 12 days ago · 87 km deep · 78 km away
- 4.529 km E of Pilar, Philippines · 31 days ago · 35 km deep · 25 km away
- 4.914 km ESE of Union, Philippines · 32 days ago · 63 km deep · 33 km away · felt by 2
- 4.96 km NE of Pilar, Philippines · 34 days ago · 51 km deep · 49 km away · felt by 3
- 4.779 km ENE of Aras-asan, Philippines · 38 days ago · 10 km deep · 84 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000twys. Read Fri, Oct 2, 2026, 9:41 AM UTC.