Philippines earthquakes

M4.5 earthquake 11 km SSE of Union, Philippines

A magnitude 4.5 earthquake struck 11 km SSE of Union, Philippines on Fri, Oct 17, 2025, 7:20 AM GMT+8 (23:20 UTC), 17 km (11 mi) below the surface.

A larger quake followed: M5.4 16 km E of Aras-asan, Philippines. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.5 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-10-16 23:20:23 UTC
Depth
17.2 km (10.7 mi), shallow
Epicenter
9.658° N, 126.156° E
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 II, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 12.8 km horizontally, 4.9 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
111°
Stations used
18

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 4.225 km ENE of Santa Monica, Philippines · 349 days ago · 35 km deep · 49 km away
  2. 4.510 km ENE of Union, Philippines · 349 days ago · 37 km deep · 17 km away · felt by 1
  3. 4.568 km NE of Santa Monica, Philippines · 349 days ago · 10 km deep · 92 km away
  4. 4.87 km ESE of Union, Philippines · 349 days ago · 58 km deep · 8 km away · felt by 3
  5. 5.416 km E of Aras-asan, Philippines · 348 days ago · 56 km deep · 92 km away · felt by 15
  6. 4.519 km ENE of La Paz, Philippines · 339 days ago · 47 km deep · 73 km away
  7. 4.516 km NE of Bacolod, Philippines · 337 days ago · 55 km deep · 77 km away
  8. 4.524 km NNW of Santa Monica, Philippines · 329 days ago · 10 km deep · 66 km away · felt by 1
  9. 4.550 km ESE of Union, Philippines · 317 days ago · 12 km deep · 44 km away
  10. 4.54 km NNE of Bacolod, Philippines · 304 days ago · 56 km deep · 79 km away
  11. 4.44 km SSE of Lanuza, Philippines · 296 days ago · 103 km deep · 52 km away
  12. 4.468 km ENE of Aras-asan, Philippines · 294 days ago · 10 km deep · 100 km away

Before

  1. 4.616 km ESE of Union, Philippines · 349 days ago · 43 km deep · 13 km away · felt by 1
  2. 4.54 km S of Pilar, Philippines · 349 days ago · 32 km deep · 19 km away · felt by 1
  3. 6.03 km N of Union, Philippines · 349 days ago · 32 km deep · 15 km away · felt by 28
  4. 4.43 km SE of Santa Monica, Philippines · 351 days ago · 64 km deep · 39 km away
  5. 6.03 km ESE of Bacolod, Philippines · 355 days ago · 68 km deep · 84 km away · felt by 37
  6. 4.945 km ENE of Santa Monica, Philippines · 359 days ago · 43 km deep · 63 km away
  7. 4.515 km WSW of Jabonga, Philippines · 362 days ago · 10 km deep · 93 km away
  8. 4.953 km ENE of Santa Monica, Philippines · 362 days ago · 34 km deep · 76 km away
  9. 4.629 km E of Cortes, Philippines · 362 days ago · 40 km deep · 52 km away
  10. 4.718 km SSE of Union, Philippines · 371 days ago · 10 km deep · 7 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000rlx5. Read Thu, Oct 1, 2026, 6:28 AM UTC.