Philippines earthquakes

M4.5 earthquake 8 km S of Ambuclao, Philippines

A magnitude 4.5 earthquake struck 8 km S of Ambuclao, Philippines on Wed, Aug 1, 1990, 12:25 PM GMT+8 (04:25 UTC), 23 km (14 mi) below the surface.

A larger quake followed: M5.3 2 km SW of Dalupirip, Philippines. This one was a foreshock.

Itogon forecastMore in Philippines

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), light
Local time
UTC
1990-08-01 04:25:48 UTC
Depth
23.0 km (14.3 mi), shallow
Epicenter
16.406° N, 120.745° E
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 26 in the 60 days after this one and 150 in the 30 days before it.

After

  1. 4.98 km NNE of Bontoc, Philippines · 13206 days ago · 23 km deep · 88 km away
  2. 4.56 km SSE of Dalupirip, Philippines · 13204 days ago · 20 km deep · 15 km away
  3. 4.83 km NNE of Binday, Philippines · 13204 days ago · 41 km deep · 41 km away
  4. 4.22 km W of Ambuclao, Philippines · 13203 days ago · 12 km deep · 9 km away
  5. 5.10 km NE of Subusub, Philippines · 13202 days ago · 39 km deep · 33 km away
  6. 4.410 km N of Binmaley, Philippines · 13201 days ago · 10 km deep · 60 km away
  7. 4.319 km SSE of Belance, Philippines · 13201 days ago · 33 km deep · 75 km away
  8. 4.311 km E of Dalupirip, Philippines · 13199 days ago · 10 km deep · 12 km away
  9. 5.09 km SSW of Itogon, Philippines · 13199 days ago · 20 km deep · 17 km away
  10. 4.29 km ESE of Dalupirip, Philippines · 13198 days ago · 10 km deep · 14 km away
  11. 4.710 km W of Busilak, Philippines · 13197 days ago · 10 km deep · 31 km away
  12. 5.01 km S of Halog West, Philippines · 13196 days ago · 30 km deep · 36 km away
  13. 4.71 km W of Panganiban, Philippines · 13188 days ago · 33 km deep · 45 km away
  14. 4.81 km NNE of Guiset East, Philippines · 13186 days ago · 34 km deep · 37 km away
  15. 4.60 km WSW of Bayombong, Philippines · 13175 days ago · 10 km deep · 44 km away
  16. 5.32 km SW of Dalupirip, Philippines · 13174 days ago · 25 km deep · 11 km away
  17. 4.66 km N of Sigay, Philippines · 13171 days ago · 33 km deep · 84 km away
  18. 4.78 km ESE of Ambuclao, Philippines · 13170 days ago · 10 km deep · 10 km away
  19. 4.112 km W of Paringao, Philippines · 13167 days ago · 10 km deep · 60 km away
  20. 5.012 km NE of Cabungan, Philippines · 13166 days ago · 10 km deep · 72 km away
  21. 4.915 km SW of Namboongan, Philippines · 13166 days ago · 20 km deep · 56 km away
  22. 4.72 km SSW of Damortis, Philippines · 13166 days ago · 33 km deep · 42 km away
  23. 3.93 km W of Hacienda, Philippines · 13166 days ago · 33 km deep · 82 km away
  24. 4.319 km WNW of Busilak, Philippines · 13163 days ago · 33 km deep · 27 km away
  25. 4.74 km S of Barlig, Philippines · 13155 days ago · 33 km deep · 77 km away
  26. 5.12 km ENE of Salinas, Philippines · 13153 days ago · 33 km deep · 31 km away

Before

  1. 4.414 km ENE of Dalupirip, Philippines · 13208 days ago · 29 km deep · 11 km away
  2. 4.23 km NE of Ambuclao, Philippines · 13208 days ago · 33 km deep · 11 km away
  3. 4.512 km NW of Bone South, Philippines · 13208 days ago · 26 km deep · 19 km away
  4. 4.83 km ESE of Salinas, Philippines · 13209 days ago · 33 km deep · 33 km away
  5. 4.29 km E of Quezon, Philippines · 13210 days ago · 69 km deep · 65 km away
  6. 4.311 km NE of Telbang, Philippines · 13212 days ago · 33 km deep · 67 km away
  7. 4.411 km ENE of Agoo, Philippines · 13212 days ago · 10 km deep · 66 km away
  8. 4.54 km N of Binalonan, Philippines · 13212 days ago · 10 km deep · 38 km away
  9. 4.78 km NNW of Lingayen, Philippines · 13214 days ago · 33 km deep · 69 km away
  10. 4.63 km NNE of Bongabon, Philippines · 13215 days ago · 33 km deep · 94 km away
  11. 5.66 km S of Loacan, Philippines · 13216 days ago · 20 km deep · 13 km away
  12. 4.75 km SW of Baguio, Philippines · 13216 days ago · 33 km deep · 21 km away
  13. 4.713 km S of Nagtipunan, Philippines · 13216 days ago · 33 km deep · 96 km away
  14. 4.613 km ESE of Dalupirip, Philippines · 13216 days ago · 10 km deep · 17 km away
  15. 4.78 km ESE of Ambuclao, Philippines · 13216 days ago · 33 km deep · 10 km away
  16. 5.310 km NW of Busilak, Philippines · 13216 days ago · 33 km deep · 35 km away
  17. 5.14 km W of Digdig, Philippines · 13216 days ago · 45 km deep · 55 km away
  18. 5.47 km WSW of Busilak, Philippines · 13217 days ago · 13 km deep · 34 km away
  19. 5.711 km WNW of Salinas, Philippines · 13218 days ago · 26 km deep · 19 km away
  20. 4.312 km SE of Dalupirip, Philippines · 13218 days ago · 33 km deep · 19 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0004ctn. Read Sun, Sep 27, 2026, 7:19 PM UTC.