M4.5 earthquake 20 km N of Cortes, Philippines
A magnitude 4.5 earthquake struck 20 km N of Cortes, Philippines on Sun, Apr 27, 2003, 2:45 PM GMT+8 (06:45 UTC), 56 km (35 mi) below the surface.
A larger quake followed: M4.7 17 km WNW of Cantapoy, Philippines. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 2003-04-27 06:45:37 UTC
- Depth
- 56.0 km (34.8 mi), shallow
- Epicenter
- 9.464° N, 126.188° 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
- CONSTRAINED_BY_DEPTH_PHASES
- Station coverage gap
- 112°
- Stations used
- 41
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 10 in the 30 days before it.
After
- 4.57 km SE of Union, Philippines · 8554 days ago · 33 km deep · 27 km away
- 4.717 km WNW of Cantapoy, Philippines · 8529 days ago · 54 km deep · 98 km away
- 4.712 km NNE of Adlay, Philippines · 8509 days ago · 112 km deep · 28 km away
- 4.75 km NNE of Bangonay, Philippines · 8504 days ago · 33 km deep · 68 km away
- 4.626 km ENE of La Paz, Philippines · 8498 days ago · 33 km deep · 51 km away
Before
- 4.33 km WNW of Bacolod, Philippines · 8559 days ago · 92 km deep · 59 km away
- 4.234 km NNW of Santa Monica, Philippines · 8564 days ago · 42 km deep · 99 km away
- 4.60 km SSE of Cantilan, Philippines · 8565 days ago · 157 km deep · 27 km away
- 4.16 km N of Unidad, Philippines · 8567 days ago · 200 km deep · 97 km away
- 4.750 km NE of Santa Monica, Philippines · 8567 days ago · 39 km deep · 95 km away
- 4.734 km E of Cortes, Philippines · 8572 days ago · 33 km deep · 42 km away
- 4.528 km E of Aras-asan, Philippines · 8572 days ago · 33 km deep · 80 km away
- 4.2Mindanao, Philippines · 8573 days ago · 33 km deep · 21 km away
- 4.030 km E of Pilar, Philippines · 8576 days ago · 33 km deep · 52 km away
- 4.815 km ENE of Pilar, Philippines · 8576 days ago · 86 km deep · 52 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000bw21. Read Wed, Sep 30, 2026, 11:43 PM UTC.